Average Bench: 47.9% (339th of 1015)

Based on 465 user benchmarks.  Model: TOSHIBA MK6461GSYN

Below average average bench

The Toshiba MK6461GSYN 640GB averaged 52.0% 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 0.41MB/s
Avg. 4K Random Write Speed 1.46MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Toshiba MK6461GSYN 640GB is 34.3%. This is a relatively narrow range which indicates that the Toshiba MK6461GSYN 640GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 55.2MB/s
Avg. 4K Random Read Speed 0.44MB/s

Average Bench

(Based on 465 samples)
Min Avg Max
33.7 Read 83.3 111
49.6 Write 84.4 110
11.8 Mixed 55.2 102
35.2 SusWrite 79.9 112
55.7% 75.7 MB/s
Min Avg Max
0.13 4K Read 0.44 0.6
0.6 4K Write 1.46 1.8
0.13 4K Mixed 0.41 0.7
91.4% 0.77 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
452GB free (System drive)
Firmware: MH000H
SusWrite @10s intervals: 98 104 105 102 103 102 MB/s
Read 106
Write 89.6
Mixed 35.8
SusWrite 102
61% 83.5 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.6
125% 1 MB/s
441GB free (System drive)
Firmware: MH000C
SusWrite @10s intervals: 76 59 61 82 80 65 MB/s
Read 111
Write 114
Mixed 31.7
SusWrite 70.2
59% 81.7 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.6
121% 0.97 MB/s
436GB free (System drive)
Firmware: MH000C
SusWrite @10s intervals: 46 52 68 80 78 84 MB/s
Read 86.7
Write 86
Mixed 50.2
SusWrite 68.1
53% 72.8 MB/s
4K Read 0.3
4K Write 1.5
4K Mixed 0.7
118% 0.83 MB/s
558GB free (System drive)
Firmware: MH001M
SusWrite @10s intervals: 25 12 28 31 27 36 MB/s
Read 17.9
Write 46.1
Mixed 11.8
SusWrite 26.6
19% 25.6 MB/s
4K Read 0
4K Write 0.5
4K Mixed 0.1
20% 0.2 MB/s
465 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 27,228,408 HDDs tested.


AmazonUS $8047 secs
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Typical MK6461GSYN 640GB Builds (Compare 14,502 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 57%
Workstation 23%

System: HP Pavilion dv6 Notebook PC

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $275

Popular MK6461GSYN 640GB 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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  • - 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.
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Hard Drive Rankings (Price vs Performance) June 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

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