Average Bench: 34.3% (625th of 1015)

Based on 6,171 user benchmarks.  Models: ST3750640NS, ST375064 0NS, ST375064 ST3750640NS, SEAGATE ST3750640NS

Poor average bench

The Seagate ST3750640NS 750GB averaged 65.7% 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 Mixed IO Speed 0.58MB/s
Avg. 4K Random Read Speed 0.59MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3750640NS 750GB is 24.6%. This is a relatively narrow range which indicates that the Seagate ST3750640NS 750GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 41.4MB/s
Avg. Sustained Write Speed 56.5MB/s

Average Bench

(Based on 6,171 samples)
Min Avg Max
32.8 Read 62.8 77
24.2 Write 57.4 75.5
23 Mixed 41.4 50.2
25.7 SusWrite 56.5 74.6
40.2% 54.5 MB/s
Min Avg Max
0.3 4K Read 0.59 0.7
0.5 4K Write 1.03 1.3
0.3 4K Mixed 0.58 0.8
108% 0.73 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
381GB free (System drive)
Firmware: 3.AEK
SusWrite @10s intervals: 45 47 50 59 61 55 MB/s
Read 70.3
Write 65.5
Mixed 46
SusWrite 52.7
43% 58.6 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.6
110% 0.73 MB/s
676GB free (System drive)
Firmware: 3CNR
SusWrite @10s intervals: 38 49 49 61 66 64 MB/s
Read 61.7
Write 63
Mixed 39
SusWrite 54.3
40% 54.5 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.7
121% 0.77 MB/s
259GB free (System drive)
SusWrite @10s intervals: 39 40 49 53 54 55 MB/s
Read 60.2
Write 58.2
Mixed 47.5
SusWrite 48.2
40% 53.5 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.7
118% 0.7 MB/s
116GB free
Firmware: 3.AEK
SusWrite @10s intervals: 47 42 45 43 42 42 MB/s
Read 35.5
Write 49
Mixed 42.7
SusWrite 43.6
32% 42.7 MB/s
4K Read 0.3
4K Write 0.7
4K Mixed 0.4
70% 0.47 MB/s
6,171 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,216,156 HDDs tested.


AmazonUS $384 years
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Typical ST3750640NS 750GB Builds (Compare 6,439 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 42%
Speed boat
Workstation 16%

Motherboard: Gigabyte GA-H61M-S1 - $200

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $288

Popular ST3750640NS 750GB 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.
  • - 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 $229Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $46
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $339Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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