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WDWD40EZRZ
WDWD10EZRZ
▲ 53210 ▼

Release date: Q3 2015.

VS
▲ 51857 ▼

Release date: Q2 2015.

Effective Speed 
+19%
Real World Speed
Performance profile from 176,937 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: 80th / 1015
52,322 User Benchmarks
Best Bench: 87% 855GB free
Worst Bench: 45% 326GB free
Poor: 45% Great: 87%
SPEED RANK: 142nd / 1015
Effective Speed
Effective HDD Speed 		80.2 % Faster effective speed.
+19% 		67.4 %
Average Score 
+9%
Read
Avg. Sequential Read Speed 		142 MB/s Faster read speed.
+16% 		122 MB/s
Write
Avg. Sequential Write Speed 		130 MB/s Faster write speed.
+14% 		114 MB/s
4K Read
Avg. 4K Random Read Speed 		0.92 MB/s 0.97 MB/s Slightly faster random read.
+5%
4K Write
Avg. 4K Random Write Speed 		2.56 MB/s Slightly faster random write.
+6% 		2.41 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		86.4 MB/s Slightly faster mixed IO speed.
+7% 		80.5 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.97 MB/s +3% 0.94 MB/s
SusWrite
Avg. Sustained Write Speed 		138 MB/s Faster sustained write speed.
+22% 		113 MB/s
Peak Score 
+9%
Read
Peak Sequential Read Speed 		181 MB/s Faster peak read speed.
+15% 		157 MB/s
Write
Peak Sequential Write Speed 		169 MB/s Faster peak write speed.
+15% 		147 MB/s
4K Read
Peak 4K Random Read Speed 		1.1 MB/s 1.2 MB/s Slightly faster peak random read.
+9%
4K Write
Peak 4K Random Write Speed 		3 MB/s Slightly faster peak random write.
+7% 		2.8 MB/s
Mixed
Peak Sequential Mixed IO Speed 		110 MB/s Slightly faster peak mixed IO speed.
+8% 		102 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		1.1 MB/s Faster peak random mixed IO.
+10% 		1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		175 MB/s Faster peak sustained write speed.
+17% 		150 MB/s
Value & Sentiment 
+44%
Market Share
Based on 53,298,945 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.58 % Hugely higher market share.
+100% 		0.29 %
Value
Value For Money 		75.5 % Hugely better value.
+124% 		33.7 %
User Rating
UBM User Rating 		53 % +4% 51 %
Price
Price (score) 		$85 $40 Much cheaper.
+53%
Nice To Haves 
+3%
Age
Newest 		104 Months +3% 107 Months
Specifications 
Capacity
Capacity 		4TB 1TB
User Builds 
124,615
52,322
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) 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.
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.

UserBenchmark of the month

Gaming Desktop ProGaming

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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $131Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair 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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