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USB 3.0 Flash Drive Speed Tests - VID = 21c4, PID = cd1

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

Product NameVendor NameDrive SizeVIDPIDRead SpeedWrite SpeedSubmitter
chinese Lexar USB Flash Drive USB Device 57.62 GB21c4cd1144.00 MB/Sec14.26 MB/Sec 
Lexar Jumpdrive M35 Lexar USB Flash Drive USB Device 28.89 GB21c4cd1147.78 MB/Sec59.37 MB/SecGadash
Lexar Jumpdrive M35 USB Flash Drive USB Device 28.89 GB21c4cd1151.52 MB/Sec60.00 MB/SecGadash
Lexar Jumpdrive M37 USB Flash Drive USB Device 28.89 GB21c4cd1151.52 MB/Sec60.00 MB/SecGadash
Lexar Jumpdrive S47 128GB 119.21 GB21c4cd1240.00 MB/Sec53.35 MB/SecG_Singh
Lexar JumpDrive S57 32GiB 28.89 GB21c4cd1112.92 MB/Sec55.90 MB/SecGadash
Lexar Jumpdrive S75 128GB 117.16 GB21c4cd1230.18 MB/Sec8.09 MB/Sec 
Lexar Jumpdrive S80 32GB 3.1 28.89 GB21c4cd1125.17 MB/Sec34.29 MB/Sec9INE
Lexar Jumpdrive V100 USB 3.0 28.89 GB21c4cd1140.41 MB/Sec64.70 MB/Secsolarium_rider
Lexar Jumpdrive V400 (Spectec PF710) 57.71 GB21c4cd1151.77 MB/Sec54.35 MB/Secbek-os
Lexar M400 JumpDrive 29.29 GB21c4cd1144.00 MB/Sec40.29 MB/Secharold
Lexar M45 - 64GB 59.62 GB21c4cd1250.00 MB/Sec38.15 MB/Sec 
Lexar m45 64GB 59.62 GB21c4cd1250.00 MB/Sec36.69 MB/Secbdw
Lexar S57 116.06 GB21c4cd1230.77 MB/Sec6.99 MB/Sec 
Lexar S57 116.06 GB21c4cd1230.18 MB/Sec73.83 MB/Sec 
Lexar S75 @%^GB Jumpdrive USB Flash Driv 231.04 GB21c4cd1261.63 MB/Sec110.84 MB/Sec 
Lexar S80 14.54 GB21c4cd1140.41 MB/Sec71.09 MB/Sec 
Lexar USB Flash Drive 128gb 117.16 GB21c4cd1230.18 MB/Sec75.82 MB/SecOlaf
Lexar USB Flash Drive 32GB S80 28.89 GB21c4cd1115.24 MB/Sec29.54 MB/SecRavencore17
Lexar USB Flash Drive 64gb 117.16 GB21c4cd1240.00 MB/Sec70.26 MB/SecOlafson
Lexar USB Flash Drive JumpDrive S47 119.21 GB21c4cd1155.98 MB/Sec49.32 MB/Sec 
Lexar USB Flash Drive M45 64GB 57.60 GB21c4cd1240.00 MB/Sec28.37 MB/SecMaRiO_KrK
Lexar USB Flash Drive USB 3.1 Device 116.03 GB21c4cd1221.67 MB/Sec72.00 MB/Sec 
Lexar USB Flash Drive USB Device 57.61 GB21c4cd1125.17 MB/Sec40.56 MB/Sec 
Lexar USB Flash Drive USB Device 116.06 GB21c4cd1137.20 MB/Sec45.36 MB/Sec 
Lexar USB Flash Drive USB Device 116.03 GB21c4cd1240.64 MB/Sec13.14 MB/Sec 
Lexar USB Flash Drive USB Device 57.61 GB21c4cd1125.35 MB/Sec65.45 MB/SecJan
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1122.62 MB/Sec11.93 MB/Secmoh erbil
Lexar USB Flash Drive USB Device 59.61 GB21c4cd1250.70 MB/Sec41.74 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1101.12 MB/Sec39.74 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1128.02 MB/Sec49.64 MB/Sec 
Lexar USB Flash Drive USB Device 29.79 GB21c4cd1230.18 MB/Sec37.89 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1128.02 MB/Sec11.80 MB/SecOmar Belmahi
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1213.27 MB/Sec22.16 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1230.18 MB/Sec27.82 MB/Sec 
Lexar USB Flash Drive USB Device 58.33 GB21c4cd1230.18 MB/Sec74.81 MB/SecOlaf
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1240.00 MB/Sec29.24 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1140.41 MB/Sec60.00 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1191.90 MB/Sec30.32 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1230.77 MB/Sec22.86 MB/Sec 
Lexar USB Flash Drive USB Device 31.99 GB21c4cd1250.70 MB/Sec34.48 MB/Secsww
Lexar USB Flash Drive USB Device 28.88 GB21c4cd1120.00 MB/Sec24.51 MB/Sec 
Lexar USB Flash Drive USB Device 117.18 GB21c4cd1213.27 MB/Sec8.04 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1125.17 MB/Sec26.18 MB/Sec 
Lexar USB Flash Drive USB Device 117.16 GB21c4cd1230.77 MB/Sec60.61 MB/Sec3144
Lexar USB Flash Drive USB Device 117.19 GB21c4cd1250.70 MB/Sec64.70 MB/Sec 
Lexar USB Flash Drive USB Device 116.06 GB21c4cd1250.00 MB/Sec7.31 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1205.48 MB/Sec22.95 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1221.13 MB/Sec85.96 MB/SecNeptune2
Lexar USB Flash Drive USB Device 116.03 GB21c4cd1240.00 MB/Sec85.96 MB/Sec 
Lexar USB Flash Drive USB Device 57.71 GB21c4cd1102.86 MB/Sec35.56 MB/Secd
Lexar USB Flash Drive USB Device 58.93 GB21c4cd1164.53 MB/Sec31.30 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1128.21 MB/Sec51.96 MB/SecAciduloz
Lexar USB Flash Drive USB Device 116.03 GB21c4cd1198.68 MB/Sec60.12 MB/Sec 
Lexar USB Flash Drive USB Device 117.19 GB21c4cd1230.77 MB/Sec64.01 MB/SecLarryL
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1115.24 MB/Sec26.91 MB/SecRavencore17
Lexar USB Flash Drive USB Device 57.61 GB21c4cd10.38 MB/Sec0.09 MB/Sec 
Lexar USB Flash Drive USB Device 117.16 GB21c4cd1240.00 MB/Sec76.79 MB/Sec 
Lexar USB Flash Drive USB Device 57.60 GB21c4cd1151.77 MB/Sec48.00 MB/Sec 
Lexar USB Flash Drive USB Device 28.89 GB21c4cd1144.00 MB/Sec81.08 MB/SecHansmillerTdS
Lexar USB Flash Drive USB Device 28.90 GB21c4cd1120.00 MB/Sec41.74 MB/SecZED
Lexar USB Flash Drive USB Device (fake?) 116.06 GB21c4cd1250.70 MB/Sec7.16 MB/SecMM
Lexar USB Flash Drive USB Device 128gb 117.16 GB21c4cd1240.00 MB/Sec66.23 MB/SecOlaf
Lexar USB Flash Drive USB Device 64G 57.71 GB21c4cd194.44 MB/Sec23.70 MB/Sec 
Lexar USB Flash Drive USB Device Jumpdrive E31 116.06 GB21c4cd1151.52 MB/Sec73.83 MB/Secxrx
Lexar USB Flash Drive USB Device jumpdrive s57 28.99 GB21c4cd192.98 MB/Sec6.93 MB/Sec 
Lexar USB JumpDrive S57 USB3.0 28.89 GB21c4cd1140.41 MB/Sec68.60 MB/Sec 
Lexar USB Jumpdrive V100 28.87 GB21c4cd194.44 MB/Sec11.36 MB/SecRKMI
Lexar USB Jumpdrive V100 28.87 GB21c4cd194.44 MB/Sec57.62 MB/SecRKMI
Lexar USB3.2 Gen1 USB Device 57.60 GB21c4cd195.95 MB/Sec11.16 MB/SecKerathFreeman

Total number of records: 70