Scr35xx Usb Smart Card Reader may sometimes be at fault for other drivers ceasing to function These are the driver scans of 2 of our recent wiki members* *Scans were performed on computers suffering from Scr35xx Usb Smart Card Reader disfunctions. Identiv’s SCR3310v2 is the ideal PC-linked USB smart card reader for a wide variety of secure applications. The SCR3310V2 is widely used a 'CAC Card Reader' for the Department of Defense Common Access Card (CAC Card).

Click the images below each readerto find online businesses selling the CAC reader you desire

ONCE YOU'VE DECIDED WHICH READER YOU WANT TO PURCHASE OR DOWNLOADED THE DRIVER, PROCEED TO STEP 3

A little bit of information / history: Not all CAC readers are created equal. This page shows over 45 different model CAC readers available. You will only see readers that I have tested and will recommend to you on this page (Except for the Non-Supported (old) readers section).

CAC Reader Manufacturers (listed alphabetically):

+iD | ACS | ActivIdentity | Belkin | Cherry | CP Technologies | DigiScan | GemPlus/Gemalto | HID | Identive (formerly SCM Microsystems) | IOGear | Litronic | Manhattan | NetSign | Omnikey | OPluz | Patrionics | Rocketek | SAICOO | Schlumberger | SIIG | SMK-LINK | Stanley Global | Unotron | Zvetco | Un-Supported (OLD) readers

NOTICE: The links to vendors / products is an attempt to save you time searching for the specific item, by linking you directly to the item shown. You will notice I have multiple [when I can find] vendors to choose from. I have no personal preference as to who you decide to purchase from. I am not endorsing any particular product or vendor, I'm merely informing you what works and where you can purchase a CAC reader from.

Identive (formerly SCM Microsystems) SCR Readers

SCR-3310 v2 CAC reader driver

Mac Friendly [10.5 - 10.14] Mac driver (most likely NOT needed) NOT Tiger (10.4.11)

Note: This model used to be sold at MCX / NEX / PX & BX and works with all versions of Windows

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

SCR-331CAC reader use driver located here sometimes you will need this driver, or this driver(works best with XP)

Mac Friendly [10.4 - 10.14]

If this reader does not initially work on your Windows 10 / 8 / 8.1, 7, Vista or Mac computer you may need to update the firmware

NOTE: Some Mac users are having problems with this old reader. If you are going to purchase a CAC reader, and have a Mac, we recommend the SCR-3310 v2 (above), or SCR-3500 (below).

SCR-3500 Smart fold mini USB Smart Card Reader

Mac Friendly [10.4 - 10.14]

Note: There is another SCR-3500 reader being sold with a Part number different from the original 905141 (sometimes shows as SCR3500A P/N:905430-1). If you are a Mac user, install thisupdated driver. Hold the control key [on your keyboard] when clicking the .pkg file [with your mouse], select [the word] Open

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

SCR-3311 Heavy base USB Smart Card (CAC) Reader driver

Mac Friendly [10.5 - 10.14](NOT Tiger (10.4 or 10.10 when using Centrify))

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

SCR-335 USB Smart Card Reader Driver

I do not have one to test

Identive Cloud 2700 R Contact Smart Card Reader

Mac [10.5 - 10.14] friendly with thisupdate

Did NOT work with Windows 8, DID work with Windows 7

SCR-301 CAC Reader

NOTMac compatible

IOGear Readers

IOGEAR model GSR202 USB Smart Card Reader Driver (GSR201Driver)

Mac Friendly [10.5 - 10.14](NOT Tiger (10.4))

If your Mac is having problems with this reader, you will need to update it using a Windows computer (or Bootcamped) Mac.

Note: This model is sold at the AAFES PX & BX

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

NOTE: 'Some' Windows 7 (64 bit) users are having problems with this reader not staying in device manager when the computer is restarted. Install the driver direct from IOGear and restart computer to remedy this situation. (This has worked for some people). Others are still having problems. You can update the driver manually following this guidance. The only other cure for it not working is to return it and consider a different reader on this page.

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IOGear model GSR203

Mac Friendly [10.5 - 10.14](NOT Tiger (10.4))

If your Mac is having problems with this reader, you will need to update it using a Windows computer (or Bootcamped) Mac.

Note: This model is sold at the AAFES PX & BX

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If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

IOGear model GSR202V

Mac Friendly [10.5 - 10.14](NOT Tiger (10.4))

If your Mac is having problems with this reader, you will need to update it using a Windows computer (or Bootcamped) Mac.

Note: This model is sold at the AAFES PX & BX

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

NOTE: 'Some' Windows 7 (64 bit) users are having problems with this reader not staying in device manager when the computer is restarted. Install the driver direct from IOGear and restart computer to remedy this situation. (This has worked for some people). Others are still having problems. You can update the driver manually following this guidance. The only other cure for it not working is to return it and consider a different reader on this page.

Stanley Global Model SGT111 USB Smart Card Reader 32bitDriver64bitDriver

Mac [10.5 - 10.14] friendly with thisupdate (NOT Tiger 10.4)

More information regarding this CAC Reader

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT114 Smart Card Reader 32bitDriver64bitDriver

Mac [10.5 - 10.7] friendly with thisupdate (NOT Tiger 10.4)

Mac [10.8 - 10.14] friendly with this update

More information regarding this CAC & multi memory SIM Card Reader

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT117 USB Smart Card Reader Driver

Mac [10.5 - 10.14] friendly with thisupdate (NOT Tiger 10.4)

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT118 USB Smart Card Reader Driver

Mac [10.5 - 10.14] friendly with thisupdate (NOT Tiger 10.4)

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT119XM USB-C Smart Card Reader

Mac Friendly [unknown] none of my Macs have USB type C

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT121 USB Smart Card Reader, Multi-Memory, SDXC, SIM Reader with 3-Port USB Hub Driver

Mac [10.5 - 10.14] friendly with thisupdate (NOT Tiger 10.4)

More information regarding this CAC Reader

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Stanley Global Model SGT122 USB Smart Card Reader 81-In-One Multi-Memory and Phone SIM Card Reader / Writer / Editor

Mac [10.5 - 10.8] friendly with thisupdate (NOT Tiger 10.4)

Mac [10.8 - 10.14] friendly with this update

This reader has 4 possible fixes to work with Windows 7:

1. Follow guidance in this PDF

2. Download patch from Microsoft

3. Download Realtek driver

4. Download alternate Realtek driver

More information regarding this CAC Reader

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Belkin F1DN005U USB Smart Card Reader PDF

Mac Friendly [10.5 - 10.14](NOT Tiger (10.4))

This reader will show up as an SCR-3310v2 in device manager

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

HID / Omnikey / ActivIdentity Readers

Omnikey 3021 USB Smart Card CAC Reader

Mac friendly after thisupdatedownload the 'OMNIKIEY 5X2X, 3X21 PCSC FOR MAC OS X'

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Omnikey 3121 USB Smart Card CAC Reader

Mac friendly after thisupdatedownload the 'Omnikey 3x21 PC/SC CCID Driver for Mac OS X'

If purchasing from Amazon, considerAmazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

HID OMNIKEY Cardman 5321 USB CAC Reader driver

Mac friendly after thisupdatedownload the 'Omnikey 5x2x PC/SC Driver for Mac OS X'

Advanced Card Systems Readers

ACR3801 USB Smart Card Reader

Mac friendly after thisupdate

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ACR38 USB Smart Card Reader

Mac friendly after thisupdate

If purchasing from Amazon, considerAmazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

ACR38U-TFC Pocket Mate Smart Card Reader

Mac friendly after thisupdate (except when using Firefox)

ACR39 USB Smart Card Reader (Also known as Patrionics ACR39U via AAFES)

Mac friendly after thisupdate

Rocketek / Opluz Readers

RT-SCR1 Smart Card Reader

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USB Smart Card Reader

(Rocketek RT-SCR10)

(Opluz model OPM610)

Does NOT read CAC in Windows 10, 8.1, 7, or Mac

GemPlus / Gemalto Readers

Gemalto IDBridge CT40 Smart Card reader

I do not have one to test

GemPlus USB-SW Smart Card Reader 32bitDriver64bitDriver

Mac 10.4 Friendly with driver update (10.5 & above have native support built in).

A Soldier could not get it to work, so, he purchased an SCR-331

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

GemPC Twin USB Smart Card Reader drivers

Mac Friendly [10.3 - 10.14] update 'may' be needed (only for 10.3-10.4)

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Cherry Reader

Cherry ST-1044 USB Smart Card CAC reader driver (alternate driver) (Windows) Instructions

Mac 10.7 & above have native support built in (10.5 & 10.6 need this update)

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Manhattan Reader

Manhattan 172844 USB CAC reader driver (XP, Vista 32, Vista 64, Windows 7) Instructions

NOTMac friendly

Zvetco Reader

Zvetco Verifi C500 All Metal SmartCard Reader

Mac Friendly

This reader will show up as an SCR-3310v2 in device manager

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

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+iD Reader

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+iD The World's Smallest ID Card Reader

Mac friendly

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CP Technologies Reader

ClearLinks CL-UC-200 Smart Card Reader

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NOTE: You can purchase this reader from a lot of different vendors, but the manufacturer doesn't list this reader on their suite to offer support. Use at own risk

NOTMac friendly

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

SIIG Reader

SIIG JU-CR0012-S1 USB 2.0 Smart Card Reader

Mac friendly with this

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If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

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DigiScan Reader

DS-C303 USB Smart Card Reader

Mac friendly

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

.

SAICOO Readers

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DoD Military USB CAC Smart Card Reader

Mac friendly

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

Portable 2-in-1 DOD/CAC SmartCard Reader and TF/Micros SD card reader

Mac friendly

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

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SMK-LINK Reader

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VP3805 USB Smart Card Reader

Mac friendly

If purchasing from Amazon, consider Amazon Prime (free for 30 days), includes free 2 day shipping and the ability to watch over 40,000 movies and TV shows anytime and Music Streaming

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'Antique' Readers

The manufacturers have abandoned support for these readers.

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Use at your own risk!!

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The CAC readers below 'might' work with Windows XP but NOTWindows 10, 8.1, 8, 7, Vista, or Mac OS X. This is partly because they will not read the PIV II CACs (GEMALTO TOP DL GX4 144, GEMALTO DLGX4-A 144, G&D FIPS 201 SCE 3.2, and Oberthur ID One 128 v5.5 Dual) and they [the manufacturers] haven't provided any firmware updates to read the newer CACs.

The simplest solution is for you is to get a modern vendor supported CAC reader above this section

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ActivIdentity Readers

ActivCard / ActivIdentity V3 Smart Card reader

Being told it is Mac friendly although the manufacturer does not show any support for this reader on Macs

ActivCard V2 Smart Card reader driver

NOTMac friendly(2 different Navy personnel have tweaked the firmware update for an SCR-331 and found an old XP computer to update the firmware from). They have never sent me a 'How - To.' I recommend you find a different reader on this page that is compatible with your OS.

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Cherry

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Cherry ST-1000U USB Smart Card Reader

NOTMac friendly

If you have the time, and want to play with updating drivers and such, you download a driver from https://www.hidglobal.com/drivers/14901 The Windows XP (64-bit) drivers supposedly will work with newer versions of Windows including 10.

See more at: http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/cherry-smart-card-reader-stu-1000/975502f7-6b96-4e2f-960a-ea2e05474a34?auth=1

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DataKey

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DataKey DKR830 Smart Card Reader

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Gemalto

GemPC 430 driver support for Windows XP and older

NOTMac friendly (according to manufacturer website)

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Litronic / Netsign 215 USB CAC reader driver (alternate driver)

NOTMac friendly (according to manufacturer's website)

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The Schlumberger CAC reader below is here only for driver support. I do not recommend you purchase this CAC reader unless you are not planning on using a computer newer than Windows XP. This means it won't work on Windows 10, 8.1, 8, 7, or Vista as it is an old reader with NO support from the vendor.

Schlumberger ReflexV2 Driver (installation instructions on CAC drivers page)

Alternate installation file (installation instructions are in the .html file inside the zipped file)

NOTMac friendly

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Unotron Reader

Unotron SpillSeal SAC2 - Washable Smart Card Reader (drivers)

I do not have one to test

Manufacturer website shows NOMac compatibility

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Identive (formerly SCM Microsystems)

SDI010 / SDI011 Contactless Smart Card Reader driver

NOTE: I was not able to figure out how to make the contactless part work, just the regular CAC slot

Mac friendly after thisupdate for Leopard and Snow Leopard (NOTTiger(10.4.11), or Lion (10.7 and above)

SCR-301 USB CAC reader (driver)

According to the Identive's website driver download page, it will not work on anything newer than XP

NOTMac friendly

SCR-111 Serial CAC reader

According to the Identive's driver download page, it will not work on anything newer than XP

Also, due to the fact that most computers do not have serial ports or use PS2 keyboards anymore, this reader is useless for modern computers. The manufacturer has not provided any updates to be able to use with the PIV II CACs or use with Windows 10, 8.1, 8, 7, or Vista.

NOTMac friendly

SCB Solutions sells CAC readers and has a full time person to provide support to their customers

If you live in the UK, you can purchase CAC readers from SmartCardFocus

Alternate driver download locations:

OTHER TYPES OF READERS TO CONSIDER

Laptop CAC reader (PCMCIA, ExpressCard, USB)

Related Articles

• 1 Format an Unreadable SD Card
• 2 Format a Picture Card to a Cellphone
• 3 Add Wi-Fi to a Dell Desktop
• 4 Open a SimpleTech Blueberry

You might be familiar with SanDisk MicroSD cards from using one in your mobile phone, old mp3 player, or portable GPS system. Because microSD cards are so small, about one fourth the size of a regular SD card, you might have overlooked the opportunity to use them on your computer.

However, microSD cards can be used as a compact alternative to a clumsy flash drive. They can easily be utilized to store and transfer files to and from your PC.

Using an SD Card

While your PC desktop or laptop might have an SD card reader already built in, it may not have a built-in microSD card reader. If it doesn’t, you will need a microSD memory card adapter. Some card readers will not accept microSD cards because they are too small. If that’s the case, then you’ll need to insert your microSD card into an external microSD card adapter, and insert that adapter into the card reader.

If you buy a SanDisk MicroSD card, it should come with an adapter, which will look like a typical SD card with a compartment at the bottom to insert the microSD card. Because you’re sticking a smaller SD card into a larger one, make sure that you confirm the lock toggle is unlocked before you try to plug your microSD adapter into your PC. If not, the card may show up as “Read Only.”

If your PC doesn’t have a card reader of any kind, you will need an external card reader that you can plug into your computer’s USB ports. Utilizing a microSD memory card adapter as needed, you can use these external readers to transfer data to and from your microSD card.

How to Open a SanDisk

Begin by inserting your USB card reader into one of your PC’s available USB ports. Next, insert your SanDisk MicroSD card into the memory card adapter and insert that adapter into the card reader.

After inserting your SD card, go to your PC, and click the Start menu located in the bottom of your screen. It should look like a Windows icon. From there, open the File Explorer.

From this screen, select your MicroSD card from all the folders listed in the File Explorer. Should your SD card not show up, try clicking the This PC icon. After clicking that, you should see a section called Devices and Drives, where your SD card should be listed by its name.

Locating Your SanDisk MicroSD Card

To find your microSD card, you need to know what it will be called. If this is the first time you are trying to access your microSD card, then it should be labeled by its brand name. In this case, SanDisk. If you already renamed it, then you should be able to easily find it by the name you’ve assigned to it.

Once you’ve found it, click it open to view your files. If this is the first time, this folder should be practically empty. From here, you can load files onto it with your PC. If this is the first time accessing your MicroSD card from your PC, but you have used it on another device, then you should be able to see your files, click on them, and move them around here.

Moving Files From Your MicroSD

Once you’ve selected your SD card, you can view all of the files on your card. Scroll through and peruse your files, click through to any sub folders, and locate the files you are looking to transfer to your PC at your discretion.

To begin transferring files to your PC, click the Home tab and select Move to. From there, you’re going to want to choose the location on your PC where you want to move your files. Navigate the directory until you select the folder on your PC where you want the file or folder from your SD card to live. Then, click Move.

Click out, and go to the selected file and folder on your PC. Make sure that you see your new files there. If you do, then the transfer was a success. If for some reason they didn’t transfer, there may be an issue with the card..

Transferring Files to Your MicroSD

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This is the reverse of what we just did. If you want to transfer files from your PC to your microSD card, return to the File Explorer on your PC, and navigate to the file or folder you want to transfer.

Click the home tab, and select Move to. When you click Choose Location, find your microSD card from the File directory. As mentioned above, it will be labeled either by its brand name (SanDisk) or the name you chose for it when you accessed it the first time. Once you’ve selected it, click Move.

Now click out and try to access your microSD card. Check to make sure your files are there. If they are, then the transfer was a success. If they aren’t, then try reformatting your SD card.

Formatting a SanDisk MicroSD Card

There is a chance that if you are struggling to access or use your microSD card, you may need to format your card. If the SD card doesn’t open, won’t show up in your File Explorer, or doesn’t let you transfer files onto it, then you will need to format the card so that it becomes compatible with your PC.

To format your SanDisk MicroSD card, go to the Start Menu once you’ve inserted it into the card reader and select My Computer, where you should find it by name. Right click the card, and click Format, which will bring you to another pop-up window.

There’s a slight chance you may not see the option to format your card. If that’s the case, then you will need to download and install a separate utility. However, if you did make it to the next window, check the box that says Quick Format, and check that the Capacity section has the correct storage available. Then, select the format. As is the case with greatest number of microSD cards, choose FAT32.

Warning Before You Format

Make sure your microSD card does not have any files already on it before you format it. If it does, and you format it anyway, you will lose those files entirely. If you can’t access the files on your PC, try to access them from another device, like a Mac or mobile device. If you still can’t access them, then it may be that the card is corrupted and will need to be formatted before you can use it again.

If you can access your files, copy them all to the computer, before you decide to format the device. That way, you can keep all of your files and can transfer them back after you click Format.

Once you’ve tried everything to save your files, go back to the Format option and complete the process. After checking the Quick Format and Capacity sections like above, you may click Start. From there, your PC will format your microSD card so you can use it again, erasing any content still on it when you began.

Ejecting Your MicroSD Card

To properly eject your microSD card, you need to do it through your PC desktop before pulling it out of the USB port. To do this, go to the bottom right of your desktop hot bar. If your card was read properly by your PC, there should be a little flash drive icon with a check mark next to it. Click the icon, and select the option to Eject your microSD card.

By ejecting your microSD card through your PC, you can be certain that your files will be safe when you go to actually physically unplug the card or memory card adapter from your PC’s card reader.

Deleting From Your MicroSD Card

If you want to delete a file or multiple files from your microSD card, you can do so fairly simply. First, navigate to your microSD card from your PC’s File Explorer like above.

Next, select the file, folder, or multiple files you want to delete. From there, click Delete. You will be prompted to confirm - choose Yes, and the files will be deleted from your microSD card. It’s always a good idea to copy everything from your microSD card to your PC so you have a backup before your delete anything, just in case you change your mind.

About the Author

Scx35xx V2.o Usb Sc Reader

Grant Harvey is a writer with experience in the tech and crowdfunding space.

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Scx35xx V2.o Usb Sc Reader For Mac