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USB 3.0 Flash Drive Speed Tests - VID = 23a9, PID = ef18

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
USB SG Flash USB Device 29.28 GB23a9ef1878.88 MB/Sec32.54 MB/SecPierlucaMaltes
USB SG Flash USB Device 29.28 GB23a9ef1885.96 MB/Sec63.97 MB/SecPierlucaMaltes
USB SG Flash USB Device 29.28 GB23a9ef1883.57 MB/Sec17.92 MB/Sec 
USB SG Flash USB Device 29.30 GB23a9ef1892.20 MB/Sec1.14 MB/Sec 
USB SG Flash USB Device 29.48 GB23a9ef18125.17 MB/Sec24.30 MB/Sec 
AI Mass Storage USB Device 29.98 GB23a9ef18108.70 MB/Sec60.00 MB/SecMehdiM2
USB SG Flash USB Device 29.98 GB23a9ef18102.86 MB/Sec60.00 MB/Sec 
AI Mass Storage USB Device 29.98 GB23a9ef1883.49 MB/Sec31.65 MB/Sec 
MoveSpeed LS 3.0 USB Device 58.58 GB23a9ef18125.35 MB/Sec28.52 MB/Sec 
USB SG Flash USB Device 58.59 GB23a9ef18112.92 MB/Sec61.94 MB/Sec 
USB SG Flash USB Device 58.59 GB23a9ef1894.34 MB/Sec30.48 MB/SecRG
Adata UV150 64gb 58.97 GB23a9ef18125.35 MB/Sec24.20 MB/Sec 
ADATA ROYAL UR340USB Flash Drive 64GB USB 3.2 Gen1 (AROY-UR340-64GBK) ("USB SG Flash USB Device") 58.97 GB23a9ef18117.65 MB/Sec30.31 MB/SecNick Tamer
ADATA ROYAL UR340USB Flash Drive 64GB USB 3.2 Gen1 (AROY-UR340-64GBK) ("USB SG Flash USB Device") 58.97 GB23a9ef18110.84 MB/Sec31.13 MB/SecNick Tamer
Teclast CoolFlash USB3.0 USB Device 117.19 GB23a9ef18110.84 MB/Sec57.62 MB/Secant

Total number of records: 15