Average Bench: 85.4% (55th of 1015)

Based on 19,385 user benchmarks.  Model: Microsoft Storage Space Device

Very good average bench

The Microsoft Storage Space Device 999GB averaged just 14.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Microsoft Storage Space Device 999GB near the top of the comparison list.


Avg. 4K Random Mixed IO Speed 0.91MB/s
Avg. 4K Random Read Speed 1MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Microsoft Storage Space Device 999GB is 65.4%. This is a particularly wide range which indicates that the Microsoft Storage Space Device 999GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 75.9MB/s
Avg. Sequential Write Speed 135MB/s

Average Bench

(Based on 19,385 samples)
Min Avg Max
72.8 Read 150 201
68.7 Write 135 186
26.7 Mixed 75.9 110
80.2 SusWrite 147 196
93.1% 127 MB/s
Min Avg Max
0.5 4K Read 1 1.5
1.2 4K Write 2.15 3
0.5 4K Mixed 0.91 1.2
182% 1.35 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
930GB free
Firmware: 0.1
SusWrite @10s intervals: 207 209 209 208 206 208 MB/s
Read 190
Write 185
Mixed 85
SusWrite 208
122% 167 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 0.8
156% 1.13 MB/s
847GB free
Firmware: 0.1
SusWrite @10s intervals: 180 180 180 182 181 181 MB/s
Read 182
Write 175
Mixed 115
SusWrite 181
120% 163 MB/s
4K Read 1.5
4K Write 2.4
4K Mixed 1.1
229% 1.67 MB/s
895GB free
Firmware: 0.1
SusWrite @10s intervals: 164 172 172 174 174 173 MB/s
Read 175
Write 168
Mixed 101
SusWrite 172
113% 154 MB/s
4K Read 1.2
4K Write 2.8
4K Mixed 1.2
235% 1.73 MB/s
581GB free
Firmware: 0.1
SusWrite @10s intervals: 157 160 160 160 150 146 MB/s
Read 181
Write 172
Mixed 117
SusWrite 156
115% 156 MB/s
4K Read 1.5
4K Write 3.1
4K Mixed 1.2
253% 1.93 MB/s
19,385 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,065,441 HDDs tested.

Typical Storage Space Device 999GB Builds (Compare 35,447 builds) See popular component choices, score breakdowns and rankings.
Gaming 55%
Desktop 67%
Battle cruiser
Workstation 57%

Motherboard: Asus ROG STRIX B350-F GAMING - $120

EDIT WITH CUSTOM PC BUILDER Value: 61% - Good Total price: $625

Popular Storage Space Device 999GB 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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) January 2020 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.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


1015 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.
Intel Core i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $384Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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