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WDWD40EZRZ
It-ceo
▲ 53210 ▼

Release date: Q3 2015.

VS
▲ 500 ▼
  

Release date ≈ Q3 2020.

Effective Speed 
+128%
Real World Speed
Performance profile from 124,618 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
3 User Benchmarks
Best Bench: 60% 642GB free
Worst Bench: 23% 587GB free
Poor: 23% Great: 60%
SPEED RANK: 583rd / 1015
Effective Speed
Effective HDD Speed 		80.2 % Hugely faster effective speed.
+128% 		35.2 %
Average Score 
+95%
Read
Avg. Sequential Read Speed 		142 MB/s Hugely faster read speed.
+131% 		61.6 MB/s
Write
Avg. Sequential Write Speed 		130 MB/s Hugely faster write speed.
+111% 		61.6 MB/s
4K Read
Avg. 4K Random Read Speed 		0.92 MB/s Hugely faster random read.
+84% 		0.5 MB/s
4K Write
Avg. 4K Random Write Speed 		2.56 MB/s Much faster random write.
+63% 		1.57 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		86.4 MB/s Hugely faster mixed IO speed.
+108% 		41.6 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.97 MB/s Much faster random mixed IO.
+45% 		0.67 MB/s
SusWrite
Avg. Sustained Write Speed 		138 MB/s Hugely faster sustained write speed.
+127% 		60.9 MB/s
Peak Score 
+74%
Read
Peak Sequential Read Speed 		181 MB/s Much faster peak read speed.
+68% 		108 MB/s
Write
Peak Sequential Write Speed 		169 MB/s Much faster peak write speed.
+59% 		106 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.
+58% 		1.9 MB/s
Mixed
Peak Sequential Mixed IO Speed 		110 MB/s Hugely faster peak mixed IO speed.
+83% 		60 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 Much faster peak sustained write speed.
+75% 		100 MB/s
Value & Sentiment 
+6%
Market Share
Based on 53,888,118 HDDs tested
See market share leaders
User Rating
UBM User Rating 		53 % Slightly more popular.
+6% 		50 %
Nice To Haves 
+55%
Age
Newest 		111 Months 50+ Months Much more recent.
+55%
Specifications 
Capacity
Capacity 		4TB 1TB
User Builds 
124,615
3
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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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Gaming Desktop ProGaming

How it works

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  • - 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
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  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

Storage Devices FAQ
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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?
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What is 4K random write speed?
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What is AS SSD real world copy speed?
How big is 16GB?
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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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The Best
CPUGPUSSD
Intel Core i5-12600K $165Nvidia RTX 4060 $295WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $85
Intel Core i5-13600K $200Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
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