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Hitachi

HDS721075KLA330 750GB

▲ 500 ▼

Release date ≤ Q4 2013.

Average Bench: 38% (540th of 1015)

Based on 3,905 user benchmarks.  Models: Hitachi HDS721075KLA330, Hitachi HDS721075KLA
Poor: 25%Average: 38% Great: 47%

Popular builds with this HDD

Poor average bench

The Hitachi HDS721075KLA330 750GB averaged 62.0% 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.

Strengths

Avg. 4K Random Mixed IO Speed 0.89MB/s
Avg. 4K Random Read Speed 0.77MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS721075KLA330 750GB is 22%. This is a relatively narrow range which indicates that the Hitachi HDS721075KLA330 750GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 38.5MB/s
Avg. Sustained Write Speed 65.8MB/s
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Average Bench

(Based on 3,905 samples)
Rank 54038%
Min Avg Max
37.5 Read 66.2 81.3
39.5 Write 68.3 84.5
25.2 Mixed 38.5 43.8
35 SusWrite 65.8 82.6
43.8% 59.7 MB/s
Min Avg Max
0.5 4K Read 0.77 0.9
1 4K Write 1.64 1.9
0.6 4K Mixed 0.89 1
161% 1.1 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
19GB free
Firmware: GK8OAB0A
SusWrite @10s intervals: 75 76 75 76 76 75 MB/s
42.3% Average
Read 71.5
Write 82.8
Mixed 41.5
SusWrite 75.5
50% 67.8 MB/s
4K Read 0.9
4K Write 1.7
4K Mixed 0.9
169% 1.17 MB/s
437GB free
Firmware: GK8OA70M
SusWrite @10s intervals: 76 76 74 74 74 74 MB/s
42% Average
Read 71.4
Write 79.9
Mixed 40.5
SusWrite 74.6
49% 66.6 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.9
161% 1.1 MB/s
45GB free
Firmware: GK8OA97A
SusWrite @10s intervals: 62 60 61 61 61 61 MB/s
37.7% Below average
Read 70.1
Write 73.8
Mixed 38.2
SusWrite 60.8
44% 60.7 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 0.9
167% 1.17 MB/s
72GB free
Firmware: GK8OA70M
SusWrite @10s intervals: 66 66 67 66 66 66 MB/s
36.6% Below average
Read 60.9
Write 70
Mixed 45.6
SusWrite 66.4
45% 60.7 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.9
165% 1.13 MB/s
210GB free
Firmware: GK8OAB0A
SusWrite @10s intervals: 65 64 64 64 62 64 MB/s
36.4% Below average
Read 62.5
Write 71.4
Mixed 40
SusWrite 63.8
44% 59.4 MB/s
4K Read 0.9
4K Write 1.8
4K Mixed 0.9
171% 1.2 MB/s
537GB free
Firmware: GK8OA87A
SusWrite @10s intervals: 63 64 64 64 64 64 MB/s
36.2% Below average
Read 61.9
Write 73.7
Mixed 42.2
SusWrite 63.8
44% 60.4 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 1
178% 1.2 MB/s
301GB free
Firmware: GK8OA87A
SusWrite @10s intervals: 60 60 60 60 61 60 MB/s
35.9% Below average
Read 64.5
Write 69.8
Mixed 39
SusWrite 60.3
43% 58.4 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 1
178% 1.2 MB/s
153GB free (System drive)
Firmware: GK8OA87A
SusWrite @10s intervals: 36 38 39 39 41 42 MB/s
32.8% Below average
Read 74.9
Write 73.5
Mixed 41.4
SusWrite 39.1
42% 57.2 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.9
165% 1.13 MB/s
92GB free (System drive)
Firmware: GK8OA87A
SusWrite @10s intervals: 26 28 28 29 39 45 MB/s
24.2% Poor
Read 52
Write 54.5
Mixed 30.7
SusWrite 32.3
31% 42.4 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.6
106% 0.67 MB/s
3,905 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,322,628 HDDs tested

 Prices

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AmazonUS $1001 month
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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 HDS721075KLA330 750GB Builds (Compare 2,179 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 41%
Speed boat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 32%
Sail boat

Motherboard: Asus P8Z77-V LK - $140

CPU
Core i5-3570KIntel  $136Bench 68%, 185,516 samples688x
Core i7-3770KIntel  $175Bench 72%, 165,979 samples565x
Core i7-3770Intel  $297Bench 69%, 278,207 samples354x
GPU
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples143x
GTX 970Nvidia  $200Bench 49%, 834,238 samples127x
HD 4000 (Desktop 1.15 GHz)Intel  $15Bench 3%, 52,547 samples114x
SSD
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples78x
860 Evo 1TBSamsung  $130Bench 112%, 602,853 samples69x
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples63x
RAM
Vengeance DDR3 1600 C10 2x8GBCorsairBench 54%, 43,127 samples55x
HyperX DDR3 1600 C9 4x4GBKingstonBench 56%, 28,461 samples47x
Vengeance DDR3 1600 C9 2x4GBCorsairBench 48%, 73,650 samples43x
EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $472

Popular HDS721075KLA330 750GB compatible motherboards:

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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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  • - CPU tests include: integer, floating and string
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  • - Drive tests include: read, write, sustained write and mixed IO
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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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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 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $179Nvidia 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 $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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