Average Bench: 65.6% (161st of 1002)

Based on 2,639 user benchmarks.  Model: Hitachi HDS721050DLE630

Above average average bench

The Hitachi HDS721050DLE630 500GB averaged 34.4% 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. Sequential Read Speed 119MB/s
Avg. Sequential Write Speed 109MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS721050DLE630 500GB is 36.7%. This is a relatively wide range which indicates that the Hitachi HDS721050DLE630 500GB performs inconsistently under varying real world conditions.


Avg. 4K Random Mixed IO Speed 0.16MB/s
Avg. 4K Random Read Speed 0.51MB/s

Average Bench

(Based on 2,639 samples)
Min Avg Max
90.8 Read 119 145
39.1 Write 109 141
9.18 Mixed 84.7 137
78% 104 MB/s
Min Avg Max
0.12 4K Read 0.51 0.74
0.32 4K Write 1.24 1.73
0.08 4K Mixed 0.16 0.21
62% 0.64 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
205GB free
Firmware: MS1OA650 Max speed: SATA 3.0 600 MB/s
Read 131
Write 134
Mixed 19.6
69% 94.9 MB/s
4K Read 0.51
4K Write 1.46
4K Mixed 0.15
65% 0.71 MB/s
460GB free
Firmware: MS1O Max speed: SATA 3.0 600 MB/s
Read 135
Write 111
Mixed 119
92% 122 MB/s
4K Read 0.58
4K Write 0.4
4K Mixed 0.15
48% 0.38 MB/s
271GB free
Firmware: MS1OA650 Max speed: SATA 3.0 600 MB/s
Read 125
Write 114
Mixed 71.1
77% 103 MB/s
4K Read 0.56
4K Write 1.44
4K Mixed 0.14
66% 0.71 MB/s
119GB free
Firmware: MS1OA610 Max speed: SATA 3.0 600 MB/s
Read 113
Write 114
Mixed 9.61
57% 79 MB/s
4K Read 0.63
4K Write 1.65
4K Mixed 0.19
78% 0.82 MB/s
205GB free
Firmware: MS1OA650 Max speed: SATA 3.0 600 MB/s
Read 58.6
Write 126
Mixed 86
68% 90 MB/s
4K Read 0.6
4K Write 1.58
4K Mixed 0.14
69% 0.77 MB/s
1.5TB free
Firmware: MS1OA650 Max speed: SATA 3.0 600 MB/s
Read 91.3
Write 82.8
Mixed 78.8
63% 84.3 MB/s
4K Read 0.58
4K Write 1.46
4K Mixed 0.24
78% 0.76 MB/s
2,639 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,216,749 HDDs tested.

Typical HDS721050DLE630 500GB Builds (Compare 677 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 45%
Workstation 24%

Motherboard: Asrock H61M-HVS - $64

EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $249

Popular HDS721050DLE630 500GB compatible motherboards:

How Fast Is Your HDD? (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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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) May 2018 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top HDDs. [HDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.


1002 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

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

 Frequently Asked Questions

 Best User Rated

The Best.
AMD Ryzen 5 1600 $167Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
Intel Core i7-8700K $320Nvidia GTX 1060-6GB $295Samsung 850 Evo 500GB $140
Intel Core i7-7700K $285AMD RX 480 $300Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $961SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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