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WDC

WD40EZAZ-00SF3B0 4TB

▲ 500 ▼

Release date ≈ Q2 2020.

Average Bench: 30.1% (1000th of 1058)

Based on 1,275 user benchmarks.  Model: WDC WD40EZAZ-00SF3B0
Poor: 18%Average: 30.1% Great: 40%

Popular builds with this SSD

Poor average bench

The WDC WD40EZAZ-00SF3B0 4TB averaged 69.8% 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 Read Speed 25.6MB/s
Avg. Sequential Read Speed 185MB/s

Good consistency

The range of scores (95th - 5th percentile) for the WDC WD40EZAZ-00SF3B0 4TB is 22.4%. This is a relatively narrow range which indicates that the WDC WD40EZAZ-00SF3B0 4TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 1.28MB/s
Avg. 4K-64Thread Mixed IO Speed 1.22MB/s
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Average Bench

(Based on 1,275 samples)
Rank 100030.1%
Min Avg Max
125 Read 185 213
111 Write 161 185
74.6 Mixed 102 125
101 SusWrite 165 188
34.5% 153 MB/s
Min Avg Max
4.9 4K Read 25.6 46.6
9.2 4K Write 11.6 12.7
0.9 4K Mixed 1.06 1.1
46.3% 12.8 MB/s
Min Avg Max
1 DQ Read 1.28 1.6
9.6 DQ Write 11.5 14.1
0.6 DQ Mixed 1.22 2
2.47% 4.66 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 180 180 180 181 180 180 MB/s
39.1% Below average
Read 194
Write 173
Mixed 103
SusWrite 180
36% 163 MB/s
4K Read 44.6
4K Write 12.6
4K Mixed 1
76% 19.4 MB/s
DQ Read 1.3
DQ Write 10.2
DQ Mixed 0.9
2% 4.13 MB/s
5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 310 317 311 317 318 316 MB/s
36% Below average
Read 328
Write 270
Mixed 96.9
SusWrite 315
56% 252 MB/s
4K Read 1.9
4K Write 16.3
4K Mixed 0.9
13% 6.37 MB/s
DQ Read 1.6
DQ Write 6.9
DQ Mixed 1.8
2% 3.43 MB/s
2.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 164 165 167 166 165 165 MB/s
27.9% Poor
Read 175
Write 163
Mixed 96.2
SusWrite 165
34% 150 MB/s
4K Read 21
4K Write 11.1
4K Mixed 1.1
39% 11.1 MB/s
DQ Read 1.6
DQ Write 12.7
DQ Mixed 1.5
3% 5.27 MB/s
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 175 174 174 174 175 176 MB/s
26.2% Poor
Read 188
Write 160
Mixed 96.7
SusWrite 174
35% 155 MB/s
4K Read 13.7
4K Write 12.2
4K Mixed 1.1
29% 9 MB/s
DQ Read 1.2
DQ Write 11.2
DQ Mixed 1.1
2% 4.5 MB/s
2TB free
Firmware: 80.00A80
SusWrite @10s intervals: 150 150 150 152 151 151 MB/s
21.5% Poor
Read 181
Write 153
Mixed 91.3
SusWrite 151
32% 144 MB/s
4K Read 6.6
4K Write 11.5
4K Mixed 1
17% 6.37 MB/s
DQ Read 1.2
DQ Write 12.5
DQ Mixed 0.8
2% 4.83 MB/s
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 144 144 143 145 146 145 MB/s
20.6% Poor
Read 169
Write 137
Mixed 94.9
SusWrite 144
31% 136 MB/s
4K Read 6.2
4K Write 12.2
4K Mixed 1.1
17% 6.5 MB/s
DQ Read 1.6
DQ Write 10.7
DQ Mixed 1.4
2% 4.57 MB/s
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 145 144 145 144 145 145 MB/s
19.9% Very poor
Read 143
Write 142
Mixed 88.1
SusWrite 145
29% 130 MB/s
4K Read 6.9
4K Write 12.5
4K Mixed 1.1
18% 6.83 MB/s
DQ Read 1.3
DQ Write 10.3
DQ Mixed 0.9
2% 4.17 MB/s
1,275 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,304,253 SSDs tested.

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 WD40EZAZ-00SF3B0 4TB Builds (Compare 73,397 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 104%
UFO
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 105%
UFO

Motherboard: Asus TUF GAMING X570-PLUS (WI-FI) - $169

CPU
Ryzen 7 3700XAMD  $305Bench 87%, 669,386 samples21,395x
Ryzen 5 3600AMD  $270Bench 84%, 980,212 samples11,147x
Ryzen 9 3900XAMD  $466Bench 88%, 262,810 samples9,652x
GPU
RTX 2070S (Super)Nvidia  $510Bench 118%, 486,234 samples9,188x
RX 5700-XTAMD  $400Bench 105%, 363,665 samples8,041x
RTX 3070Nvidia  $500Bench 152%, 281,761 samples4,864x
SSD
WD40EZAZ-00SF3B0 4TBWDCBench 30%, 1,275 samples1x
RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $78Bench 85%, 517,339 samples3,158x
Vengeance RGB PRO DDR4 3200 C16 2x8GBCorsair  $85Bench 84%, 269,954 samples2,985x
Vengeance RGB PRO DDR4 3200 C16 2x16GBCorsair  $330Bench 87%, 120,905 samples2,846x
EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $1,062

Popular WD40EZAZ-00SF3B0 4TB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 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.
Solid State Drive Rankings (Price vs Performance) September 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. 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 SSDs. [SSDrivePro]

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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.

 Comments

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Reaching its prime
Age: 16 months

Speed Comparisons

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1058 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs 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?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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