Average Bench: 29.3% (762nd of 1015)

more Based on 1,868 user benchmarks.  Models: WDC WD3200KS-00PFB0, WDC WD32 00KS-75PFB0, WDC WD3200KS-75PFB0, WDC WD3200KS-22PFB0, WDC WD3200KS-75P, WDC WD32 00KS-00PFX0, WDC WD3200KS-00P, WDC WD32 00KS-00PFB0

Very poor average bench

The WD WD3200KS-00PFB0 320GB averaged 70.7% 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 0.9MB/s
Avg. 4K Random Write Speed 1.98MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the WD WD3200KS-00PFB0 320GB is just 19.9%. This is a relatively narrow range which indicates that the WD WD3200KS-00PFB0 320GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 41MB/s
Avg. Sustained Write Speed 49MB/s

Average Bench

(Based on 1,868 samples)
Min Avg Max
29.2 Read 52.4 63.3
21.6 Write 51 63.4
23.5 Mixed 41 49
24.6 SusWrite 49 62.9
35.8% 48.4 MB/s
Min Avg Max
0.34 4K Read 0.6 0.7
1.1 4K Write 1.98 2.4
0.6 4K Mixed 0.9 1.1
162% 1.16 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
262GB free
Firmware: 21.00M21
SusWrite @10s intervals: 60 60 60 60 60 60 MB/s
Read 61
Write 60.5
Mixed 46
SusWrite 59.9
42% 56.8 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 1
165% 1.1 MB/s
223GB free
Firmware: 21.00M21
SusWrite @10s intervals: 57 57 58 57 57 57 MB/s
Read 60.7
Write 61.2
Mixed 43.8
SusWrite 56.9
41% 55.7 MB/s
4K Read 0.7
4K Write 2.3
4K Mixed 1
183% 1.33 MB/s
37GB free
Firmware: 21.00M21
SusWrite @10s intervals: 53 55 55 54 55 54 MB/s
Read 59.5
Write 59
Mixed 42
SusWrite 54.3
40% 53.7 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.9
164% 1.2 MB/s
108GB free
Firmware: 21.00M21
SusWrite @10s intervals: 53 53 52 52 52 52 MB/s
Read 51.2
Write 52.7
Mixed 43.8
SusWrite 52.5
37% 50 MB/s
4K Read 0.6
4K Write 2.2
4K Mixed 1
177% 1.27 MB/s
1,868 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,104,245 HDDs tested.

Typical WD3200KS-00PFB0 320GB Builds (Compare 4,412 builds) See popular component choices, score breakdowns and rankings.
Gaming 47%
Desktop 51%
Workstation 35%
Sail boat

Motherboard: Asus SABERTOOTH X58

EDIT WITH CUSTOM PC BUILDER Value: 37% - Below average Total price: $802

Popular WD3200KS-00PFB0 320GB 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) August 2019 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.
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
Intel Core i5-9600K $230Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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