Average Bench: 33.8% (633rd of 1014)

Based on 923 user benchmarks.  Models: ST320LM000 HM321HI, ST320LM0 00

Poor average bench

The Seagate ST320LM000 HM321HI 320GB averaged 66.1% 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.

Strengths

Avg. 4K Random Mixed IO Speed 0.59MB/s
Avg. 4K Random Write Speed 1.29MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST320LM000 HM321HI 320GB is 38.9%. This is a relatively wide range which indicates that the Seagate ST320LM000 HM321HI 320GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 38.3MB/s
Avg. Sequential Write Speed 48MB/s
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Average Bench

(Based on 923 samples)
Min Avg Max
9.5 Read 60.6 88.1
13.7 Write 48 88.1
10.6 Mixed 38.3 51
19.8 SusWrite 57.1 86.7
37.6% 51 MB/s
Min Avg Max
0.1 4K Read 0.38 0.5
0.3 4K Write 1.29 1.9
0.1 4K Mixed 0.59 0.9
105% 0.75 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
0GB free (System drive)
Firmware: 2AJ10002
SusWrite @10s intervals: 73 84 83 89 93 93 MB/s
Read 84.6
Write 82.6
Mixed 45.1
SusWrite 85.9
55% 74.5 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.8
143% 1.03 MB/s
271GB free (System drive)
Firmware: 2AJ10001
SusWrite @10s intervals: 59 50 63 75 80 76 MB/s
Read 81.3
Write 79.7
Mixed 50.1
SusWrite 67.2
51% 69.6 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.7
128% 0.93 MB/s
185GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 67 80 80 81 81 80 MB/s
Read 70
Write 18
Mixed 49.5
SusWrite 78.2
40% 53.9 MB/s
4K Read 0.3
4K Write 1.3
4K Mixed 0.6
103% 0.73 MB/s
249GB free (System drive)
Firmware: 2AJ10002
SusWrite @10s intervals: 60 70 76 75 75 78 MB/s
Read 73.5
Write 80.3
Mixed 32.8
SusWrite 72.2
47% 64.7 MB/s
4K Read 0.4
4K Write 1.7
4K Mixed 0.8
137% 0.97 MB/s
97GB free
Firmware: 2AJ10003
SusWrite @10s intervals: 65 73 74 74 74 74 MB/s
Read 70.4
Write 27.9
Mixed 47.8
SusWrite 72.3
40% 54.6 MB/s
4K Read 0.3
4K Write 1.1
4K Mixed 0.5
88% 0.63 MB/s
91GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 60 67 67 66 66 67 MB/s
Read 75.3
Write 48.1
Mixed 48.9
SusWrite 65.6
44% 59.5 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.6
121% 0.97 MB/s
247GB free (System drive)
Firmware: 2AJ10001
SusWrite @10s intervals: 44 48 47 53 56 53 MB/s
Read 73
Write 52.5
Mixed 37.8
SusWrite 50.1
39% 53.3 MB/s
4K Read 0.5
4K Write 1.3
4K Mixed 0.7
123% 0.83 MB/s
187GB free (System drive)
Firmware: 2AJ10001
SusWrite @10s intervals: 28 19 36 43 43 44 MB/s
Read 42.6
Write 44.5
Mixed 27.6
SusWrite 35.2
28% 37.5 MB/s
4K Read 0.3
4K Write 1
4K Mixed 0.5
87% 0.6 MB/s
923 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,011,140 HDDs tested.

Typical ST320LM000 HM321HI 320GB Builds (Compare 684 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 51%
Yacht
Workstation
Workstation 2%
Tree trunk

System: Samsung 300E4A/300E5A/300E7A/3430EA/3530EA

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $253

Popular ST320LM000 HM321HI 320GB systems:

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) September 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]

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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.

 Comments

1014 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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Intel Core i7-9700K $290Nvidia RTX 2070S (Super) $505Samsung 860 Evo 250GB $42
HDDRAMUSB
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WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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