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USB Flash Drive Speed Tests - VID = 3538, PID = 59

Welcome to Speed Tests Web site for USB Flash Drives.
In this page, you can find the speed test results of USB flash drives, made by USBDeview utility. USBDeview make this test by writing a large file into the USB flash 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
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385920.42 MB/Sec3.91 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385922.62 MB/Sec4.88 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385926.36 MB/Sec4.14 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385926.32 MB/Sec5.08 MB/SecSuiDeath
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385919.89 MB/Sec4.76 MB/SecPQI 339 8GB
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385930.59 MB/Sec4.07 MB/SecIRAN
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385917.62 MB/Sec5.57 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385921.07 MB/Sec3.19 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385920.72 MB/Sec6.03 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385915.41 MB/Sec3.02 MB/Seczari
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385922.57 MB/Sec4.85 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385914.60 MB/Sec2.58 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385918.64 MB/Sec4.46 MB/Secpstelmac
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385923.91 MB/Sec4.16 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385925.20 MB/Sec7.40 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385916.56 MB/Sec4.46 MB/Secimi
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385918.49 MB/Sec3.49 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385919.93 MB/Sec8.74 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385917.33 MB/Sec4.19 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385920.81 MB/Sec5.26 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385918.06 MB/Sec3.49 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385919.10 MB/Sec7.92 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385917.14 MB/Sec7.39 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385913.81 MB/Sec2.59 MB/Secmt
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385914.79 MB/Sec3.08 MB/Secmt
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385917.19 MB/Sec4.54 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385918.44 MB/Sec4.01 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385921.15 MB/Sec4.98 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385918.44 MB/Sec4.20 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385921.10 MB/Sec4.95 MB/Seclipton
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385927.97 MB/Sec6.52 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385916.81 MB/Sec3.41 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.89 GB35385913.57 MB/Sec4.65 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.75 GB3538593.24 MB/Sec1.02 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385918.57 MB/Sec3.95 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385919.96 MB/Sec4.02 MB/SecPipi
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.51 GB35385921.21 MB/Sec8.75 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385920.87 MB/Sec3.21 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385920.49 MB/Sec4.86 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385927.63 MB/Sec5.62 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385922.74 MB/Sec5.86 MB/SecPsykos0unds
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.75 GB35385917.59 MB/Sec4.29 MB/SecAnoop
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385916.00 MB/Sec3.08 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385916.08 MB/Sec3.07 MB/Secshayatinsorkh
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB3538590.94 MB/Sec0.90 MB/Secrobtek
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385920.22 MB/Sec4.22 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385917.94 MB/Sec4.91 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385930.59 MB/Sec4.19 MB/SecMahmoud(Iran)
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385922.47 MB/Sec3.52 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385931.33 MB/Sec4.73 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385927.07 MB/Sec3.16 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd15.05 GB35385926.57 MB/Sec5.16 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.52 GB35385914.80 MB/Sec3.88 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385923.63 MB/Sec5.36 MB/Secsoul
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd1.88 GB35385920.70 MB/Sec3.96 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385928.22 MB/Sec4.13 MB/Secwww.CompHelp.c
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd15.05 GB35385930.72 MB/Sec3.86 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385927.38 MB/Sec5.15 MB/SecBzyq
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.77 GB35385915.52 MB/Sec5.09 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd3.77 GB35385912.42 MB/Sec3.68 MB/Sec 
Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385922.50 MB/Sec6.92 MB/Sec 
Generic USB Flash Disk USB Device PQIPower Quotient International Co., Ltd7.52 GB35385930.64 MB/Sec8.19 MB/Sec 
Mini II Xporter - PatriotPower Quotient International Co., Ltd15.05 GB35385930.80 MB/Sec7.75 MB/SecJono
Patriot PSF8GMIIUSBPower Quotient International Co., Ltd7.52 GB35385924.58 MB/Sec4.49 MB/Sec 
patriout Power Quotient International Co., Ltd1.87 GB35385917.73 MB/Sec3.91 MB/Sec 
pqiPower Quotient International Co., Ltd3.76 GB35385918.29 MB/Sec2.65 MB/Sec 
PQI 2 GBPower Quotient International Co., Ltd1.88 GB35385917.86 MB/Sec6.29 MB/Sec 
PQI 4GBPower Quotient International Co., Ltd3.76 GB35385915.58 MB/Sec3.68 MB/Sec 
pqi 8 GB - NTFS, block size 4096Power Quotient International Co., Ltd7.53 GB35385922.60 MB/Sec4.29 MB/Sec 
pqi 8 GB - NTFS, block size 65536Power Quotient International Co., Ltd7.53 GB35385922.45 MB/Sec4.59 MB/Sec 
PQI 8gb black/orange with capPower Quotient International Co., Ltd7.52 GB35385929.70 MB/Sec5.88 MB/SecPsyk0sounds
PQI 8GB U339Power Quotient International Co., Ltd7.51 GB35385921.95 MB/Sec3.19 MB/Sec 
PQI Cool Drive U339Power Quotient International Co., Ltd7.52 GB35385925.35 MB/Sec4.81 MB/Secjzsoll
PQI Cool Drive U339Power Quotient International Co., Ltd3.76 GB35385917.19 MB/Sec4.23 MB/Sec 
PQI Cool drive U339Power Quotient International Co., Ltd15.04 GB35385923.51 MB/Sec4.41 MB/Sec 
PQI Cool Drive U339 4GbPower Quotient International Co., Ltd3.76 GB35385920.76 MB/Sec6.10 MB/Sec 
PQI cool drive U339 8GPower Quotient International Co., Ltd7.52 GB35385920.69 MB/Sec3.87 MB/Sec 
pqi cool drive u339 blackPower Quotient International Co., Ltd3.76 GB35385918.73 MB/Sec3.22 MB/Secinf
pqi Cool Drive U360 USB Flash Disk USB DevicePower Quotient International Co., Ltd7.51 GB35385921.05 MB/Sec7.16 MB/SecUser
pqi Generic USB Flash Disk USB DevicePower Quotient International Co., Ltd7.53 GB35385919.93 MB/Sec7.39 MB/Sec 
PQI i810 Plus 16 GBPower Quotient International Co., Ltd15.04 GB35385926.26 MB/Sec4.54 MB/Sec 
pqi i810 Plus IntelligentStickPower Quotient International Co., Ltd7.52 GB35385929.07 MB/Sec3.86 MB/SecTwenty4
pqi I815plus 8GBPower Quotient International Co., Ltd7.52 GB35385927.53 MB/Sec4.65 MB/SecAndreF.
pqi IntelligentStick i812 16GBPower Quotient International Co., Ltd15.06 GB35385922.88 MB/Sec4.41 MB/Secpresola
pqi IntelligentStick USB 8.0GB DevicePower Quotient International Co., Ltd7.52 GB35385915.69 MB/Sec3.82 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd298.09 GB35385933.11 MB/Sec24.41 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385930.79 MB/Sec5.05 MB/Sectobs4208
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.53 GB35385919.85 MB/Sec4.48 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385922.10 MB/Sec6.36 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd15.05 GB35385916.67 MB/Sec3.71 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd3.75 GB35385917.10 MB/Sec3.61 MB/Secklebstoff
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385931.24 MB/Sec5.38 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.53 GB35385915.82 MB/Sec4.31 MB/Secbrzuchalski
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd0.19 GB35385928.69 MB/Sec4.71 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd3.75 GB35385914.82 MB/Sec3.13 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385932.91 MB/Sec6.52 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385916.08 MB/Sec3.19 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385930.50 MB/Sec4.74 MB/Secpstelmac
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385931.82 MB/Sec6.34 MB/Secpstelmac
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd15.05 GB35385913.22 MB/Sec3.02 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385927.82 MB/Sec6.06 MB/SecAram
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385930.59 MB/Sec3.59 MB/SecS3MN
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385926.92 MB/Sec4.58 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385925.80 MB/Sec4.12 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd7.52 GB35385920.02 MB/Sec3.21 MB/Sec 
pqi IntelligentStick USB DevicePower Quotient International Co., Ltd15.05 GB35385917.23 MB/Sec3.06 MB/Sec 
pqi IntelligentStick USB Device (i820 16Gb)Power Quotient International Co., Ltd15.05 GB35385930.81 MB/Sec3.48 MB/SecVanetz
pqi IntelligentStick USB Device iraniPower Quotient International Co., Ltd7.52 GB35385930.31 MB/Sec3.55 MB/Secjasem chabahar
PQI Traveling Disc i221Power Quotient International Co., Ltd15.04 GB35385919.86 MB/Sec6.91 MB/Sec 
PQI Travelling Disk i221 4GBPower Quotient International Co., Ltd3.77 GB35385930.81 MB/Sec4.99 MB/Sec 
PQI U339 XT 8GBPower Quotient International Co., Ltd7.52 GB35385915.90 MB/Sec5.05 MB/Sec 
PQI U339H 8GB Flash Drive (USB2.0 Portable) Model BB18-8039R0151 Power Quotient International Co., Ltd7.51 GB35385930.69 MB/Sec7.22 MB/SecFeco
pqi USBPower Quotient International Co., Ltd3.76 GB35385923.45 MB/Sec8.55 MB/Sec 
PQI USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385917.24 MB/Sec3.53 MB/Secfwaudit
PQI USB Flash Disk USB DevicePower Quotient International Co., Ltd3.76 GB35385924.54 MB/Sec3.39 MB/Sec 
PQI USB Flash Drive (U339XT)Power Quotient International Co., Ltd7.52 GB35385920.38 MB/Sec4.24 MB/Sec 
TestPower Quotient International Co., Ltd7.52 GB35385917.13 MB/Sec3.79 MB/Sec 

Total number of records: 117