Average Bench: 65.4% (9th of 639)

Based on 29 user benchmarks.  Device: VID 0951 PID 16b3 Model: Kingston HyperX Savage
Poor: 17%Average: 65.4% Great: 92%

Above average average bench

The Kingston HyperX Savage USB 3.1 512GB averaged 34.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Sustained Write Speed 169MB/s
Avg. Sequential Write Speed 144MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Kingston HyperX Savage USB 3.1 512GB is 74.9%. This is a particularly wide range which indicates that the Kingston HyperX Savage USB 3.1 512GB performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 3.68MB/s
Avg. 4K Random Mixed IO Speed 0.62MB/s

Average Bench

(Based on 29 samples)
Min Avg Max
38.2 Read 211 282
37.7 Write 144 222
15.6 Mixed 134 205
8.2 SusWrite 169 261
215% 165 MB/s
Min Avg Max
0.07 4K Read 3.68 8.73
0.04 4K Write 0.71 0.95
0.06 4K Mixed 0.62 1.4
59% 1.67 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
466GB free, PID 16b3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 264 255 262 261 262 260 MB/s
Read 250
Write 222
Mixed 152
SusWrite 261
297% 221 MB/s
4K Read 3.7
4K Write 0.9
4K Mixed 1.4
92% 2 MB/s
404GB free, PID 16b3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 257 260 260 259 138 260 MB/s
Read 255
Write 190
Mixed 122
SusWrite 239
264% 201 MB/s
4K Read 2.2
4K Write 0.7
4K Mixed 1.1
69% 1.33 MB/s
66GB free, PID 16b3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 8.2 8.2 8.2 8.1 8.1 8.7 MB/s
Read 38.2
Write 38.8
Mixed 32
SusWrite 8.2
38% 29.3 MB/s
4K Read 2.1
4K Write 0.7
4K Mixed 0.9
62% 1.23 MB/s
29 MORE »


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USB Flash Drive Rankings (Price vs Performance) September 2018 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.


639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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