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WDWD10SPCX
WDWD4003FZEX
▲ 507 ▼

Release date ≤ Q1 2014.

VS
▲ 507 ▼

Release date ≤ Q1 2014.

Effective Speed 
+78%
Real World Speed
Performance profile from 77,405 user samples
Benchmark your HDD here
57,200 User Benchmarks
Best Bench: 63% 931GB free
Worst Bench: 21% 694GB free (System drive)
Poor: 21% Great: 63%
SPEED RANK: 407th / 1015
20,205 User Benchmarks
Best Bench: 98% 3.5TB free
Worst Bench: 58% 3TB free
Poor: 58% Great: 98%
SPEED RANK: 82nd / 1015
Effective Speed
Effective HDD Speed 		44.7 % 79.5 % Much faster effective speed.
+78%
Average Score 
+82%
Read
Avg. Sequential Read Speed 		81.9 MB/s 142 MB/s Much faster read speed.
+73%
Write
Avg. Sequential Write Speed 		73.7 MB/s 132 MB/s Much faster write speed.
+79%
4K Read
Avg. 4K Random Read Speed 		0.46 MB/s 0.89 MB/s Hugely faster random read.
+93%
4K Write
Avg. 4K Random Write Speed 		1.59 MB/s 2.97 MB/s Hugely faster random write.
+87%
Mixed
Avg. Sequential Mixed IO Speed 		45.3 MB/s 86.1 MB/s Hugely faster mixed IO speed.
+90%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.58 MB/s 1 MB/s Much faster random mixed IO.
+72%
SusWrite
Avg. Sustained Write Speed 		73.7 MB/s 134 MB/s Hugely faster sustained write speed.
+82%
Peak Score 
+64%
Read
Peak Sequential Read Speed 		110 MB/s 181 MB/s Much faster peak read speed.
+65%
Write
Peak Sequential Write Speed 		108 MB/s 163 MB/s Much faster peak write speed.
+51%
4K Read
Peak 4K Random Read Speed 		0.6 MB/s 1.1 MB/s Hugely faster peak random read.
+83%
4K Write
Peak 4K Random Write Speed 		2.2 MB/s 3.5 MB/s Much faster peak random write.
+59%
Mixed
Peak Sequential Mixed IO Speed 		60.2 MB/s 109 MB/s Hugely faster peak mixed IO speed.
+81%
4K Mixed
Peak 4K Random Mixed IO Speed 		0.7 MB/s 1.1 MB/s Much faster peak random mixed IO.
+57%
SusWrite
Peak Sequential Sustained Write 60s Average 		110 MB/s 166 MB/s Much faster peak sustained write speed.
+51%
Value & Sentiment 
+88%
Market Share
Based on 53,299,523 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.13 % Hugely higher market share.
+333% 		0.03 %
Value
Value For Money 		22.4 % 35.8 % Much better value.
+60%
User Rating
UBM User Rating 		50 % 50 %
Price
Price (score) 		$40 Much cheaper.
+77% 		$178
Nice To Haves 
+1%
Age
Newest 		123+ Months 122+ Months +1%
Specifications 
Capacity
Capacity 		1TB 4TB
User Builds 
57,200
20,205
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 $132Nvidia 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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