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Seagate

ST320LM000 HM321HI 320GB

▲ 500 ▼

Release date ≈ Q4 2014.

Average Bench: 35% (589th of 1015)

Based on 1,046 user benchmarks.  Models: ST320LM000 HM321HI, ST320LM0 00
Poor: 12%Average: 35% Great: 50%

Popular builds with this HDD

Poor average bench

The Seagate ST320LM000 HM321HI 320GB averaged 64.9% 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 0.61MB/s
Avg. 4K Random Write Speed 1.3MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST320LM000 HM321HI 320GB is 38.1%. This is a relatively wide range which indicates that the Seagate ST320LM000 HM321HI 320GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 45.8MB/s
Avg. Sequential Mixed IO Speed 39.8MB/s
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Average Bench

(Based on 1,046 samples)
Rank 58935%
Min Avg Max
10.3 Read 61.9 89
9.64 Write 45.8 88
11.8 Mixed 39.8 52.2
22.3 SusWrite 60 89.4
38.2% 51.9 MB/s
Min Avg Max
0.1 4K Read 0.39 0.5
0.4 4K Write 1.3 1.9
0.2 4K Mixed 0.61 0.8
108% 0.77 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
97GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 65 75 76 77 77 77 MB/s
78.9% Very good
Read 201
Write 17
Mixed 62.3
SusWrite 74.5
65% 88.7 MB/s
4K Read 0.3
4K Write 1.3
4K Mixed 0.7
114% 0.77 MB/s
298GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 84 96 95 96 96 96 MB/s
53.8% Above average
Read 93.7
Write 55.4
Mixed 55.9
SusWrite 93.6
55% 74.7 MB/s
4K Read 0.4
4K Write 1.8
4K Mixed 0.6
117% 0.93 MB/s
159GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 76 75 75 77 77 76 MB/s
53% Above average
Read 109
Write 17.7
Mixed 50.4
SusWrite 75.9
47% 63.2 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.7
126% 0.9 MB/s
100GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 54 68 67 68 69 69 MB/s
51.2% Above average
Read 113
Write 21.7
Mixed 51.1
SusWrite 65.9
46% 62.9 MB/s
4K Read 0.3
4K Write 1.1
4K Mixed 0.6
100% 0.67 MB/s
46GB free
Firmware: 2AJ10002
SusWrite @10s intervals: 56 57 58 59 59 59 MB/s
47.6% Average
Read 108
Write 19.2
Mixed 48.6
SusWrite 58
43% 58.4 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.8
136% 0.9 MB/s
260GB free
Firmware: 2AJ10003
SusWrite @10s intervals: 75 76 74 73 74 73 MB/s
46.8% Average
Read 89
Write 45.6
Mixed 50.7
SusWrite 74.2
48% 64.9 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.7
113% 0.67 MB/s
92GB free
Firmware: 2AJ10001
SusWrite @10s intervals: 29 55 57 60 61 60 MB/s
45% Average
Read 103
Write 15.3
Mixed 24.8
SusWrite 53.9
36% 49.3 MB/s
4K Read 0.6
4K Write 0
4K Mixed 0.4
69% 0.33 MB/s
1,046 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,327,447 HDDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical ST320LM000 HM321HI 320GB Builds (Compare 586 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 48%
Yacht
Workstation
Workstation 2%
Tree trunk

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

CPU
Core i5-2450MIntel  $225Bench 49%, 51,836 samples166x
Core i3-2350MIntelBench 47%, 24,896 samples162x
Pentium B950IntelBench 43%, 7,305 samples71x
GPU
HD 3000 (Mobile V1 1.1/1.2 GHz)IntelBench 2%, 209,058 samples239x
HD 3000 (Mobile V2 1.3 GHz)IntelBench 2%, 110,588 samples165x
HD Graphics (G2 Pentium/Celeron 1.1/1.15 GHz)IntelBench 1%, 45,735 samples123x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples22x
PLUS 240GBSandiskBench 45%, 86,316 samples18x
A400 120GBKingston  $30Bench 61%, 166,392 samples13x
RAM
AD73I1C1674EV 1x4GBAdataBench 25%, 5,119 samples52x
M471B5273CM0-CH9 1x4GBSamsungBench 25%, 871 samples35x
QUM3S-8G1333C9 1x8GBSamsungBench 27%, 22 samples22x
EDIT WITH CUSTOM PC BUILDER Value: 48% - 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 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 value for money 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
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
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Hard Drive Rankings (Price vs Performance) April 2024 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.

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Speed Comparisons

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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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
What is 4K random write speed?
What is 4K random read speed?
What is AS SSD real world copy speed?
How big is 16GB?
What does MBps mean?
Hard Drives
What is the Hard Drive value for money rating?
What is effective Hard Drive speed?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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