Average Bench: 33.2% (643rd of 1015)

Based on 8,113 user benchmarks.  Models: ST3750640NS, ST375064 0NS, ST375064 ST3750640NS, SEAGATE ST3750640NS

Poor average bench

The Seagate ST3750640NS 750GB averaged 66.7% 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 0.56MB/s
Avg. 4K Random Read Speed 0.57MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3750640NS 750GB is 27.9%. 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 40.7MB/s
Avg. Sustained Write Speed 54.4MB/s

Average Bench

(Based on 8,113 samples)
Min Avg Max
15.8 Read 61.2 76.4
20.2 Write 56.9 74.3
18 Mixed 40.7 49.7
24.1 SusWrite 54.4 73.8
39.3% 53.3 MB/s
Min Avg Max
0.2 4K Read 0.57 0.7
0.4 4K Write 1.02 1.3
0.2 4K Mixed 0.56 0.7
105% 0.72 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
416GB free
Firmware: 3CNR
SusWrite @10s intervals: 63 55 63 63 63 64 MB/s
Read 74.8
Write 69
Mixed 50.3
SusWrite 62.1
47% 64.1 MB/s
4K Read 0.7
4K Write 1
4K Mixed 0.8
137% 0.83 MB/s
230GB free
Firmware: 3CNR
SusWrite @10s intervals: 32 27 26 26 26 27 MB/s
Read 69.5
Write 68.7
Mixed 46.5
SusWrite 27.3
39% 53 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.6
112% 0.77 MB/s
242GB free (System drive)
Firmware: 3CNR
SusWrite @10s intervals: 29 19 32 44 38 45 MB/s
Read 12.4
Write 10.3
Mixed 21.8
SusWrite 34.5
15% 19.8 MB/s
4K Read 0.3
4K Write 0.4
4K Mixed 0.3
53% 0.33 MB/s
8,113 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,522,807 HDDs tested.


AmazonUS $384 years
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Typical ST3750640NS 750GB Builds (Compare 15,650 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 65%
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $216

Popular ST3750640NS 750GB systems:

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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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  • - 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.
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Hard Drive Rankings (Price vs Performance) August 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 $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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