Average Bench: 17.7% (238th of 639)

Based on 14 user benchmarks.  Device: VID 152d PID 2329 Model: Hitachi HDS5C3015ALA632

Terrible average bench

The Hitachi HDS5C3015ALA632 1.5TB averaged 82.3% 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. 4K Random Write Speed 1.23MB/s
Avg. Sequential Write Speed 38.3MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS5C3015ALA632 1.5TB is just 4.57%. This is an extremely narrow range which indicates that the Hitachi HDS5C3015ALA632 1.5TB performs superbly consistently under varying real world conditions.


Avg. 4K Random Read Speed 0.5MB/s
Avg. Sequential Read Speed 37.3MB/s

Average Bench

(Based on 14 samples)
Min Avg Max
23 Read 37.3 41.4
27.9 Write 38.3 42.9
7.83 Mixed 24.4 40.2
41.8% 33.3 MB/s
Min Avg Max
0.31 4K Read 0.5 0.71
1.12 4K Write 1.23 1.4
0.16 4K Mixed 0.29 0.41
53.5% 0.67 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
17GB free, PID 2329
Operating at USB 2.0 Speed
Read 41
Write 42
Mixed 27.5
46% 36.8 MB/s
4K Read 0.65
4K Write 1.38
4K Mixed 0.33
61% 0.79 MB/s
988GB free, PID 2329
Operating at USB 2.0 Speed
Read 40.6
Write 42.9
Mixed 20.2
43% 34.6 MB/s
4K Read 0.31
4K Write 1.35
4K Mixed 0.23
55% 0.63 MB/s
201GB free, PID 2329
Operating at USB 2.0 Speed
Read 40.7
Write 42.9
Mixed 31
49% 38.2 MB/s
4K Read 0.44
4K Write 1.16
4K Mixed 0.19
48% 0.6 MB/s
10GB free, PID 2329
Operating at USB 2.0 Speed
Read 39.9
Write 42.8
Mixed 39.2
53% 40.6 MB/s
4K Read 0.35
4K Write 1.19
4K Mixed 0.16
47% 0.57 MB/s
41GB free, PID 2329
Operating at USB 2.0 Speed
Read 41
Write 39.8
Mixed 40.2
52% 40.3 MB/s
4K Read 0.4
4K Write 1.2
4K Mixed 0.25
51% 0.62 MB/s
46GB free, PID 2329
Operating at USB 2.0 Speed
Read 41.4
Write 39.8
Mixed 11.8
37% 31 MB/s
4K Read 0.42
4K Write 1.17
4K Mixed 0.27
51% 0.62 MB/s
14 MORE »
Typical HDS5C3015ALA632 1.5TB Builds (Compare 21,024 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 84%
Aircraft carrier
Workstation 65%

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $1,225

Popular HDS5C3015ALA632 1.5TB compatible motherboards:

How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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USB Flash Drive Rankings (Price vs Performance) June 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.
  • Fastest real world speed - Real World Speed measures performance for typical flash usage patterns.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.


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.

 Frequently Asked Questions

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The Best.
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AMD Ryzen 5 1600 $175Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $124
Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $155
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $178SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $35HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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