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Full Comparison

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Card Readers:GR-312B
Device typeExternal Card Reader USB 3.0
InterfaceUSB 3.0, Full compatibility USB 1.0, USB 1.1, USB 2.0
Slots numbers4
Maximum transfer speed, MBps145
Simultaneous reading of two SD cardsYes
Simultaneous reading of two microSD cardsYes
SDXC format supportYes
USB hub ports numbers
Additionally
Plug & PlayYes
Length of the interface cable, mm
Power indicatorYes
Activity indicatorYes
Powerby USB
Additional power
Power Cable
Slot 1SDXC - Secure Digital™ eXtended Capacity, SDHC - Secure Digital™ High Capacity, SD - Security Digital™, MMC - MultiMediaCard™
Slot 2SDXC - Secure Digital™ eXtended Capacity, SDHC - Secure Digital™ High Capacity, SD - Security Digital™, MMC - MultiMediaCard™
Slot 3MicroSDXC™, MicroSDHC™, MicroSD™, TransFlash™
Slot 4MicroSDXC™, MicroSDHC™, MicroSD™, TransFlash™
Slot 5
Slot 6
Slot 7
Slot 8
Slot 9
Controller cardreaderGL3220
Controller Hub
Other controllers
Operating systemWindows 2000/XP/2003/Vista/2008, Windows 7/2008 R2, Mac OS X 10.3-10.6, Linux OS
Software and DriversNo
СompatibilityCompatibly with all computers with USB port
Housing MaterialABS plastic
Color of front panel
Case colorBlack-silver
Cardreader1
Interface Cable
Mounting screws
User Manual / Warranty Card1
Length, mm80
Width, mm31
Height, mm17
Weight, gr18
Type of packagingBlister
Unit number per packing1
Length of package, cm
Width of package, cm
Height of package, cm
Weight of package, gr
EAN1:4891122100619
Quantity of consumer packages, pcs120
Length of the box, cm46,5
Width of the box, cm41,5
Height of the box, cm35
Gross Weight, kg6,5
Net Weight, kg5,2
EAN2: