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General
SamsungMZ-V9P4T0B(W|/AM)
▲ 500 ▼
  

Release date ≈ Q2 2021.

VS
▲ 65327 ▼

Release date: Q4 2023.

Effective Speed 
+985%
Real World Speed
Performance profile from 6,384 user samples
Benchmark your SSD here
66 User Benchmarks
Best Bench: 54% 231GB free
Worst Bench: 31% 40GB free
Poor: 31% Great: 54%
SPEED RANK: 926th / 1080
6,318 User Benchmarks
Great bench: 616% 717GB free (System drive)
Poor bench: 303% 1.5TB free (System drive)
Poor: 303% Great: 616%
SPEED RANK: 9th / 1080
Effective Speed
Effective SSD Speed 		44.9 % 487 % Hugely faster effective speed.
+985%
Average Score 
+1,005%
Read
Avg. Sequential Read Speed 		351 MB/s 2,487 MB/s Hugely faster read speed.
+609%
Write
Avg. Sequential Write Speed 		229 MB/s 3,874 MB/s Insanely faster write speed.
+1,592%
4K Read
Avg. 4K Random Read Speed 		15.4 MB/s 79.4 MB/s Hugely faster random read.
+416%
4K Write
Avg. 4K Random Write Speed 		25.7 MB/s 195 MB/s Hugely faster random write.
+659%
Mixed
Avg. Sequential Mixed IO Speed 		190 MB/s 2,948 MB/s Insanely faster mixed IO speed.
+1,452%
4K Mixed
Avg. 4K Random Mixed IO Speed 		10.5 MB/s 106 MB/s Hugely faster random mixed IO.
+910%
SusWrite
Avg. Sustained Write Speed 		236 MB/s 3,533 MB/s Insanely faster sustained write speed.
+1,397%
Peak Score 
+946%
Read
Peak Sequential Read Speed 		402 MB/s 3,190 MB/s Hugely faster peak read speed.
+694%
Write
Peak Sequential Write Speed 		380 MB/s 4,857 MB/s Insanely faster peak write speed.
+1,178%
4K Read
Peak 4K Random Read Speed 		19.7 MB/s 94.8 MB/s Hugely faster peak random read.
+381%
4K Write
Peak 4K Random Write Speed 		31.5 MB/s 295 MB/s Hugely faster peak random write.
+837%
Mixed
Peak Sequential Mixed IO Speed 		255 MB/s 3,621 MB/s Insanely faster peak mixed IO speed.
+1,320%
4K Mixed
Peak 4K Random Mixed IO Speed 		12.4 MB/s 143 MB/s Insanely faster peak random mixed IO.
+1,053%
SusWrite
Peak Sequential Sustained Write 60s Average 		374 MB/s 4,701 MB/s Insanely faster peak sustained write speed.
+1,157%
Value & Sentiment 
+∞%
Market Share
Based on 77,611,475 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.41 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 65 % Much more popular.
+30%
Nice To Haves 
+6,160%
Age
Newest 		41+ Months 13 Months Much more recent.
+68%
DQ Read
Peak 4K-64Thread Read Speed 		21.6 MB/s 2,277 MB/s Insanely faster peak deep queue read.
+10,442%
DQ Write
Peak 4K-64Thread Write Speed 		56.5 MB/s 1,855 MB/s Insanely faster peak deep queue write.
+3,183%
AS-SSD Total
AS-SSD Total Score 		257 Pts 6,803 Pts Insanely stronger server IO.
+2,547%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		16 MB/s 2,062 MB/s Insanely faster peak deep queue mixed IO.
+12,788%
ADQ Read
Avg. 4K-64Thread Read Speed 		19.9 MB/s 1,580 MB/s Insanely faster deep queue read.
+7,840%
ADQ Write
Avg. 4K-64Thread Write Speed 		46.3 MB/s 1,177 MB/s Insanely faster deep queue write.
+2,442%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		13.6 MB/s 1,370 MB/s Insanely faster deep queue mixed IO.
+9,974%
Specifications 
Capacity
Capacity 		248GB 4TB
Conclusion 
Average Bench 44.9%
Average Bench 487%

The Samsung 990 Pro has a strong consumer performance profile. It offers burst read speeds of 3 GB/s and burst write speeds of 5 GB/s. The 990 Pro also offers respectable out of cache performance. At current prices (1TB $120 USD, 2TB $165 USD and 4TB $320 USD) the Samsung 990 Pro offers worse value for money than the WD Black SN850X. Samsung’s superior SSD technology allowed them to dominate the consumer market since SSDs became mainstream in 2010. However, in today’s market, their technology no longer justifies a price premium. [Jun '24 SSDrivePro]

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Solid State Drive Rankings (Price vs Performance) November 2024 SSD Rankings

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]

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 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?
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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?
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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The Best
CPUGPUSSD
Intel Core i5-13600K $210Nvidia RTX 4060 $285WD Black SN850X M.2 2TB $125
Intel Core i5-12600K $154Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $320
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