TESTA A measure of how responsive a Flash Drive is to typical user access patterns. Sandisk Extreme 64GB ≈ 100%.
There are several speeds associated with storage devices (sequential, random 4k, deep queue). It's necessary to make assumptions about the type of access patterns before assessing a drives performance. Most USB flash drives are used to backup and transport photo, audio and video files. These types of files are generally large and demand high sequential read and write speeds. The effective USB speed is weighted as 50% sequential read, 40% sequential write, 5% 4K read and 5% 4k write. These weights favour reading large files and somewhat downplay the importance of small 4K file operations.
There are several speeds associated with storage devices (sequential, random 4k, deep queue). It's necessary to make assumptions about the type of access patterns before assessing a drives performance. Most USB flash drives are used to backup and transport photo, audio and video files. These types of files are generally large and demand high sequential read and write speeds. The effective USB speed is weighted as 50% sequential read, 40% sequential write, 5% 4K read and 5% 4k write. These weights favour reading large files and somewhat downplay the importance of small 4K file operations.
See a current list of USB Flash Drives and their effective speeds here.
2018 Hardware Rankings
 PC Score |
PC Status |
|
|---|---|---|
| 0 secs agoGigabyte GA-B450M DS3H-CF | Aircraft carrier | 80% |
| 9 secs agoMSI Z370 PC PRO (MS-7B49) | Tree trunk | 92% |
| 14 secs agoLenovo IdeaPad Z585 | Raft | 30% |
| 17 secs agoAsus Strix GL703GS_GL703GS | Battle cruiser | 77% |
| 23 secs agoZ370 AORUS Ultra Gaming | UFO | 73% |
| 24 secs agoUser System | Battleship | 65% |
| 25 secs agoAsus M5A78L-M/USB3 | Jet ski | 58% |
| 28 secs agoAsus MAXIMUS VII RANGER | UFO | 81% |
| 30 secs agoGigabyte GA-B450 AORUS M | Battleship | 81% |
| 30 secs agoAsus M52AD_M12AD_A_F_K31AD | Yacht | 40% |
| 36 secs agoAsus P8H61-M LE/USB3 | Yacht | 52% |
| 46 secs agoUser System | Gunboat | 51% |
| 51 secs agoAsus Z170-DELUXE | Nuclear submarine | 36% |
| 55 secs agoToshiba Qosmio X75-A | Gunboat | 46% |
| 55 secs agoToshiba Satellite C55-B | Raft | 83% |
| 56 secs agoAsus ROG STRIX Z370-E GAMING | UFO | 30% |
| 56 secs agoUser System | Gunboat | 67% |
| 1 min agoAsus PRIME X370-PRO | Nuclear submarine | 42% |
| 1 min agoLenovo 10150 | Yacht | 78% |
| 1 min agoAsus ROG STRIX Z370-E GAMING | UFO | 56% |