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WDWD40EZRZ
Fujitsu
▲ 53210 ▼

Release date: Q3 2015.

VS
▲ 500 ▼

Release date ≤ Q1 2014.

Effective Speed 
+336%
Real World Speed
Performance profile from 125,867 user samples
Benchmark your HDD here
124,615 User Benchmarks
Best Bench: 101% 3.5TB free
Worst Bench: 49% 1.5TB free
Poor: 49% Great: 101%
SPEED RANK: 79th / 1015
1,252 User Benchmarks
Best Bench: 33% 102GB free
Worst Bench: 7% 79GB free
Poor: 7% Great: 33%
SPEED RANK: 986th / 1015
Effective Speed
Effective HDD Speed 		80.2 % Hugely faster effective speed.
+336% 		18.4 %
Average Score 
+234%
Read
Avg. Sequential Read Speed 		142 MB/s Hugely faster read speed.
+315% 		34.2 MB/s
Write
Avg. Sequential Write Speed 		130 MB/s Hugely faster write speed.
+314% 		31.4 MB/s
4K Read
Avg. 4K Random Read Speed 		0.92 MB/s Hugely faster random read.
+124% 		0.41 MB/s
4K Write
Avg. 4K Random Write Speed 		2.56 MB/s Hugely faster random write.
+164% 		0.97 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		86.4 MB/s Hugely faster mixed IO speed.
+262% 		23.9 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.97 MB/s Hugely faster random mixed IO.
+94% 		0.5 MB/s
SusWrite
Avg. Sustained Write Speed 		138 MB/s Hugely faster sustained write speed.
+366% 		29.6 MB/s
Peak Score 
+145%
Read
Peak Sequential Read Speed 		181 MB/s Hugely faster peak read speed.
+177% 		65.4 MB/s
Write
Peak Sequential Write Speed 		169 MB/s Hugely faster peak write speed.
+211% 		54.3 MB/s
4K Read
Peak 4K Random Read Speed 		1.1 MB/s Hugely faster peak random read.
+120% 		0.5 MB/s
4K Write
Peak 4K Random Write Speed 		3 MB/s Much faster peak random write.
+67% 		1.8 MB/s
Mixed
Peak Sequential Mixed IO Speed 		110 MB/s Hugely faster peak mixed IO speed.
+166% 		41.3 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		1.1 MB/s Much faster peak random mixed IO.
+57% 		0.7 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		175 MB/s Hugely faster peak sustained write speed.
+216% 		55.4 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 53,949,641 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.66 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		80.2 % Insanely better value.
+5,711% 		1.38 %
User Rating
UBM User Rating 		53 % Slightly more popular.
+6% 		50 %
Price
Price (score) 		$80 $32 Much cheaper.
+60%
Nice To Haves 
+14%
Age
Newest 		111 Months More recent.
+14% 		129+ Months
Specifications 
Capacity
Capacity 		4TB 120GB
User Builds 
124,615
1,252
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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Hard Drive Rankings (Price vs Performance) November 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]

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.
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
  • - 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

 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
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ALL FAQs »

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Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
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The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
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Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-13600K $210Nvidia RTX 4060 $290WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $84
Intel Core i5-12600K $167Nvidia RTX 4070 $500Crucial T700 M.2 4TB $400
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