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WDWDS400T2X0E
IntelSSDSC2BW120A401
▲ 72554 ▼

Release date: Q3 2022.

VS
▲ 533,537 ▼

Controller: LSI SandForce SF2281. Memory: Intel Synchronous 20nm MLC. Release date: Q3 2013.

Effective Speed 
+674%
Real World Speed
Performance profile from 23,787 user samples
Benchmark your SSD here
8,772 User Benchmarks
Great bench: 683% 3.5TB free
Poor bench: 288% 2.5TB free (System drive)
Poor: 288% Great: 683%
SPEED RANK: 7th / 1080
15,015 User Benchmarks
Best Bench: 79% 60GB free (System drive)
Worst Bench: 51% 82GB free
Poor: 51% Great: 79%
SPEED RANK: 717th / 1080
Effective Speed
Effective SSD Speed 		522 % Hugely faster effective speed.
+674% 		67.4 %
Average Score 
+1,233%
Read
Avg. Sequential Read Speed 		3793 MB/s Hugely faster read speed.
+909% 		376 MB/s
Write
Avg. Sequential Write Speed 		3816 MB/s Insanely faster write speed.
+2,835% 		130 MB/s
4K Read
Avg. 4K Random Read Speed 		67.2 MB/s Hugely faster random read.
+126% 		29.7 MB/s
4K Write
Avg. 4K Random Write Speed 		189 MB/s Hugely faster random write.
+151% 		75.2 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		2970 MB/s Insanely faster mixed IO speed.
+1,569% 		178 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		83.5 MB/s Hugely faster random mixed IO.
+158% 		32.4 MB/s
SusWrite
Avg. Sustained Write Speed 		3370 MB/s Insanely faster sustained write speed.
+2,882% 		113 MB/s
Peak Score 
+1,446%
Read
Peak Sequential Read Speed 		4696 MB/s Insanely faster peak read speed.
+1,008% 		424 MB/s
Write
Peak Sequential Write Speed 		4940 MB/s Insanely faster peak write speed.
+3,307% 		145 MB/s
4K Read
Peak 4K Random Read Speed 		84.7 MB/s Hugely faster peak random read.
+133% 		36.3 MB/s
4K Write
Peak 4K Random Write Speed 		315 MB/s Hugely faster peak random write.
+203% 		104 MB/s
Mixed
Peak Sequential Mixed IO Speed 		3586 MB/s Insanely faster peak mixed IO speed.
+1,730% 		196 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		113 MB/s Hugely faster peak random mixed IO.
+178% 		40.6 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		4656 MB/s Insanely faster peak sustained write speed.
+3,566% 		127 MB/s
Value & Sentiment 
+1,740%
Market Share
Based on 77,407,843 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.25 % Insanely higher market share.
+2,400% 		0.01 %
Value
Value For Money 		257 % Insanely better value.
+4,589% 		5.48 %
User Rating
UBM User Rating 		72 % Much more popular.
+36% 		53 %
Price
Price (score) 		$269 $89 Much cheaper.
+67%
Nice To Haves 
+1,053%
Age
Newest 		27 Months Much more recent.
+80% 		134 Months
DQ Read
Peak 4K-64Thread Read Speed 		2486 MB/s Insanely faster peak deep queue read.
+1,113% 		205 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		2073 MB/s Insanely faster peak deep queue write.
+1,350% 		143 MB/s
AS-SSD Total
AS-SSD Total Score 		7497 Pts Hugely stronger server IO.
+985% 		691 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		2284 MB/s Insanely faster peak deep queue mixed IO.
+1,684% 		128 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		1787 MB/s Hugely faster deep queue read.
+856% 		187 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		1382 MB/s Insanely faster deep queue write.
+1,015% 		124 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1548 MB/s Insanely faster deep queue mixed IO.
+1,347% 		107 MB/s
Specifications 
Capacity
Capacity 		4TB 120GB
Conclusion 
Average Bench 522%
Average Bench 67.4%

The WD Black SN850X has a superb consumer performance profile. As well as offering solid burst speeds of 5 GB/s, the SN850X also offers respectable out of cache performance. At current prices (1TB $90 USD, 2TB $145 USD and 4TB $290 USD) the WD Black SN850X is our top value pick at every capacity. [Jun '24 SSDrivePro]

MORE DETAILS

At just 5 months old the Intel 530 Series SSD is the newest SSD in the group test. Unfortunately the 530 uses the same basic formula we have seen going back two and a half years. Sporting a Sandforce 2281 controller coupled with 20nm NAND flash the performance profile struggles with incompressible data and predictably favours reads over writes as with all the other Sandforce 2281 drives we have seen. With peak and average sequential read/write speeds of 498/154 and 454/131 MB/s the 120GB Intel 530 lags the group leaders by 50%. Small file 4K peak and average performance clocked in at 34/101 and 26/76 MB/s which is slightly above average for a leading 120GB SSD. There are faster and cheaper alternatives available in the group test. [Feb '14 SSDrivePro]

MORE DETAILS

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Welcome to our 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]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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Solid State Drives
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The Best
CPUGPUSSD
Intel Core i5-12600K $169Nvidia RTX 4060 $295WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $225Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
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