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Hitachi

HDS721064CLA 640GB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 45.8% (379th of 1015)

Based on 123 user benchmarks.  Model: Hitachi HDS721064CLA
Poor: 11%Average: 45.8% Great: 67%

Popular builds with this HDD

Below average average bench

The Hitachi HDS721064CLA 640GB averaged 54.2% 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 0.53MB/s
Avg. 4K Random Read Speed 0.54MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS721064CLA 640GB is 56%. This is a relatively wide range which indicates that the Hitachi HDS721064CLA 640GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 63.8MB/s
Avg. Sequential Mixed IO Speed 58.4MB/s
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Average Bench

(Based on 123 samples)
Rank 37945.8%
Min Avg Max
13.7 Read 83.8 119
14.5 Write 81.3 120
13 Mixed 58.4 106
11.5 SusWrite 63.8 115
53.1% 71.8 MB/s
Min Avg Max
0.1 4K Read 0.54 0.8
0.22 4K Write 1.05 1.5
0.1 4K Mixed 0.53 0.9
100% 0.71 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
445GB free
Firmware: JPGO
SusWrite @10s intervals: 102 103 103 105 105 107 MB/s
58% Above average
Read 98
Write 98.2
Mixed 45.8
SusWrite 104
63% 86.6 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.9
151% 0.93 MB/s
544GB free (System drive)
Firmware: JPGO
SusWrite @10s intervals: 71 101 100 105 93 106 MB/s
49.3% Average
Read 75.5
Write 73.2
Mixed 44
SusWrite 96.3
53% 72.2 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
136% 0.87 MB/s
567GB free (System drive)
Firmware: JPGO
SusWrite @10s intervals: 18 22 18 18 27 24 MB/s
21.9% Poor
Read 54.8
Write 30
Mixed 28.4
SusWrite 21.3
25% 33.6 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.3
71% 0.57 MB/s
341GB free (System drive)
Firmware: JPGO
SusWrite @10s intervals: 17 16 17 16 16 14 MB/s
19.6% Very poor
Read 52.4
Write 19.4
Mixed 20.9
SusWrite 16
20% 27.2 MB/s
4K Read 0.5
4K Write 0.1
4K Mixed 0.2
45% 0.27 MB/s
123 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,351,277 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 HDS721064CLA 640GB Builds (Compare 5,585 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 58%
Gunboat
Workstation
Workstation 2%
Tree trunk

Motherboard: To Be Filled By O.E.M.

CPU
Core i5-3470Intel  $59Bench 63%, 223,595 samples715x
Core i5-2400Intel  $250Bench 61%, 166,255 samples280x
Core i7-3770Intel  $297Bench 69%, 278,207 samples264x
GPU
HD 2500 (Desktop 1.05 GHz)IntelBench 1%, 146,665 samples617x
HD 2000 (Desktop 1.1 GHz)IntelBench 1%, 150,891 samples461x
G41 Express ChipsetIntelBench 0%, 33,874 samples361x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples137x
256GB 256GBSSDBench 77%, 9,229 samples103x
128GB 128GBSSDBench 65%, 7,332 samples90x
RAM
2x2GBUnknownBench 20%, 446,702 samples500x
2x8GBUnknownBench 64%, 236,291 samples303x
2x4GBUnknownBench 39%, 424,126 samples227x
EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $87

Popular HDS721064CLA 640GB compatible motherboards:

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
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Hard Drive Rankings (Price vs Performance) May 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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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 $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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