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USB 3.0 Flash Drive Speed Tests - 4 GB Group

Welcome to Speed Tests Web site for USB 3.0 Flash Drives/Disks.
In this page, you can find the speed test results of USB 3.0 flash drives or disks, made by USBDeview utility. USBDeview make this test by writing a large file into the USB drive, and then reading back the same file to getting the read speed. The speed is calculated and displayed in Megabytes per second (MB/Sec). Be aware that all these tests are made by making a sequential read and write operations of a single file. When you use multiple small files, you'll probably get much lower read/write performances.

If you want to test the read/write speed of your own USB drives and share the results with other people, you can follow the instructions in this page: Test and publish the speed of your USB flash drive.

There is also a summary page, which contains a summary of speed tests for USB drives that accumulated 5 speed tests or more.

Search other USB flash drives:

Some Remarks

To more easily compare the speed of USB flash drives, you can filter the list according to drive size group:

1 GB or less 2 GB Group 4 GB Group 8 GB Group
16 GB Group 32 GB Group 64 GB Group Larger than 64 GB

Notice that the USB devices of last size group (above 64 GB) are not really flash drives. they are external hard disk drives plugged to USB. I originally created this Web site for flash drives, but because some people already submitted the speed test results of external USB disks, I added a group for them too.

Product NameVendor NameDrive SizeVIDPIDRead SpeedWrite SpeedSubmitter
Innostor Innostor USB Device 3.85 GB1f7590225.87 MB/Sec22.10 MB/Sec 
Corsair Voyager GT 3.0 USB Device 3.90 GB1b1c1a096,000.00 MB/Sec5,625.00 MB/SecGeorge
JetFlash Transcend 4GB USB Device 3.68 GB8564100049.32 MB/Sec8.46 MB/Sec 
JetFlash Transcend 4GB USB Device 3.67 GB8564100061.39 MB/Sec6.65 MB/SecKOBOL
JetFlash Transcend 4GB USB Device 3.67 GB8564100041.63 MB/Sec3.55 MB/SecJCB
JetFlash Transcend 16GB USB Device 3.76 GB8564100012.22 MB/Sec2.46 MB/Sec 
NORELSYS 106X USB Device 3.23 GB2537106620.87 MB/Sec9.66 MB/Sec 
Cardwave STG2-M USB Device 3.48 GB1dfa58d780.14 MB/Sec28.85 MB/Sec 
Lexar 4GB CF on USB 3.0 readerGenesys Logic, Inc.3.73 GB5e373219.56 MB/Sec11.66 MB/SecVK
Generic STORAGE DEVICE USB DeviceGenesys Logic, Inc.3.79 GB5e373220.90 MB/Sec12.04 MB/Sec 
Kingston DataTraveler 3.0 USB DeviceKingston Technology3.41 GB951166643.65 MB/Sec6.99 MB/SecSB977CL
USB DISK 3.0 USB IntensoKingston Technology Company Inc.3.74 GB13fe51008.14 MB/Sec4.79 MB/SecHolger
Patriot Memory USB DeviceKingston Technology Company Inc.2.44 GB13fe5500205.95 MB/Sec55.94 MB/SecWilly
MicroCenter 3.0 8GBKingston Technology Company Inc.3.22 GB13fe5500128.21 MB/Sec19.36 MB/SecWoo
MicroCenter 3.0 8GBKingston Technology Company Inc.3.22 GB13fe5500122.78 MB/Sec15.76 MB/SecWoo
MicroCenter 3.0 8GBKingston Technology Company Inc.3.22 GB13fe5500125.52 MB/Sec19.23 MB/SecWoo
MicroCenter 3.0 8GBKingston Technology Company Inc.3.22 GB13fe5500125.35 MB/Sec19.29 MB/SecWoo
PNY USB 3.0 FD USB Device 64GB TurboPNY3.76 GB154bad12.06 MB/Sec2.59 MB/Sec 
USB Attached SCSI (UAS) Mass Storage DeviceSeagate RSS LLC4.00 GBbc2ab24384.62 MB/Sec31.66 MB/SecMG
TOSHIBA STOR.E ALU 2S USB DeviceToshiba Corp.2.13 GB930b1a55.38 MB/Sec46.83 MB/Sec 

Total number of records: 20