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WDC

WD40EZAZ-22S 4TB

▲ 500 ▼

Release date ≈ Q4 2022.

Average Bench: 22.9% (1051st of 1074)

Based on 6 user benchmarks.  Model: WDC WD40EZAZ-22S
Poor: 17%Average: 22.9% Great: 32%

Very poor average bench

The WDC WD40EZAZ-22S 4TB averaged 77.0% 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 11.8MB/s
Avg. Sequential Write Speed 159MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the WDC WD40EZAZ-22S 4TB is just 15.7%. This is a relatively narrow range which indicates that the WDC WD40EZAZ-22S 4TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.43MB/s
Avg. 4K-64Thread Mixed IO Speed 0.38MB/s
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Average Bench

(Based on 6 samples)
Rank 105122.9%
Min Avg Max
139 Read 167 191
108 Write 159 184
27.3 Mixed 61.9 89
124 SusWrite 155 179
30.5% 136 MB/s
Min Avg Max
3.8 4K Read 11.8 32.2
9.3 4K Write 11.4 12.4
0.2 4K Mixed 0.37 0.4
24.4% 7.87 MB/s
Min Avg Max
0.4 DQ Read 0.43 0.5
7.8 DQ Write 10.3 12.2
0.2 DQ Mixed 0.38 0.6
1.8% 3.71 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
3.5TB free
Firmware: 80.0
SusWrite @10s intervals: 179 179 180 180 176 178 MB/s
32.4% Below average
Read 161
Write 177
Mixed 89
SusWrite 179
34% 152 MB/s
4K Read 32.2
4K Write 11.9
4K Mixed 0.4
56% 14.8 MB/s
DQ Read 0.4
DQ Write 10.7
DQ Mixed 0.4
2% 3.83 MB/s
3.5TB free
Firmware: 80.0
SusWrite @10s intervals: 161 161 153 163 175 166 MB/s
27.3% Poor
Read 191
Write 184
Mixed 27.3
SusWrite 163
32% 141 MB/s
4K Read 19.2
4K Write 12.2
4K Mixed 0.2
36% 10.5 MB/s
DQ Read 0.4
DQ Write 9.6
DQ Mixed 0.4
2% 3.47 MB/s
3.5TB free
Firmware: 80.0
SusWrite @10s intervals: 179 181 179 179 179 180 MB/s
24.8% Poor
Read 175
Write 178
Mixed 65.9
SusWrite 179
34% 150 MB/s
4K Read 11.6
4K Write 12.3
4K Mixed 0.4
25% 8.1 MB/s
DQ Read 0.4
DQ Write 10.7
DQ Mixed 0.2
2% 3.77 MB/s
3TB free
Firmware: 80.0
SusWrite @10s intervals: 171 171 171 171 168 171 MB/s
21.7% Poor
Read 184
Write 166
Mixed 67
SusWrite 171
33% 147 MB/s
4K Read 4.2
4K Write 12.4
4K Mixed 0.4
13% 5.67 MB/s
DQ Read 0.5
DQ Write 11.2
DQ Mixed 0.2
2% 3.97 MB/s
935GB free
Firmware: 80.0
SusWrite @10s intervals: 136 131 143 144 142 131 MB/s
19.1% Very poor
Read 147
Write 108
Mixed 75.2
SusWrite 138
26% 117 MB/s
4K Read 6.8
4K Write 11.9
4K Mixed 0.4
17% 6.37 MB/s
DQ Read 0.4
DQ Write 10.3
DQ Mixed 0.5
2% 3.73 MB/s
664GB free
Firmware: 80.0
SusWrite @10s intervals: 127 126 129 123 114 129 MB/s
16.7% Very poor
Read 139
Write 149
Mixed 62.9
SusWrite 124
27% 119 MB/s
4K Read 3.8
4K Write 10.8
4K Mixed 0.4
12% 5 MB/s
DQ Read 0.4
DQ Write 12.2
DQ Mixed 0.2
2% 4.27 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,015,790 SSDs tested

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Solid State Drive Rankings (Price vs Performance) May 2024 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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  • 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.

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Speed Comparisons

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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?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $176Nvidia RTX 4060 $290Crucial MX500 250GB $39
Intel Core i5-12400F $120Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-13600K $260Nvidia RTX 4070 $550Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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