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SamsungMZ-V9P4T0B(W|/AM)
Dell
▲ 65327 ▼

Release date: Q4 2023.

VS
▲ 500 ▼
  

Release date ≈ Q2 2018.

Effective Speed 
+1,525%
Real World Speed
Performance profile from 6,320 user samples
Benchmark your SSD here
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
2 User Benchmarks
Best Bench: 34% 1.5TB free
Worst Bench: 26% 2TB free
Poor: 26% Great: 34%
SPEED RANK: 1024th / 1080
Effective Speed
Effective SSD Speed 		487 % Insanely faster effective speed.
+1,525% 		30 %
Average Score 
+2,242%
Read
Avg. Sequential Read Speed 		2,487 MB/s Insanely faster read speed.
+1,000% 		226 MB/s
Write
Avg. Sequential Write Speed 		3,874 MB/s Insanely faster write speed.
+2,432% 		153 MB/s
4K Read
Avg. 4K Random Read Speed 		79.4 MB/s Insanely faster random read.
+1,034% 		7 MB/s
4K Write
Avg. 4K Random Write Speed 		195 MB/s Insanely faster random write.
+1,355% 		13.4 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		2,948 MB/s Insanely faster mixed IO speed.
+3,405% 		84.1 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		106 MB/s Insanely faster random mixed IO.
+5,071% 		2.05 MB/s
SusWrite
Avg. Sustained Write Speed 		3,533 MB/s Insanely faster sustained write speed.
+1,397% 		236 MB/s
Peak Score 
+2,424%
Read
Peak Sequential Read Speed 		3,190 MB/s Insanely faster peak read speed.
+1,166% 		252 MB/s
Write
Peak Sequential Write Speed 		4,857 MB/s Insanely faster peak write speed.
+2,316% 		201 MB/s
4K Read
Peak 4K Random Read Speed 		94.8 MB/s Hugely faster peak random read.
+646% 		12.7 MB/s
4K Write
Peak 4K Random Write Speed 		295 MB/s Insanely faster peak random write.
+1,478% 		18.7 MB/s
Mixed
Peak Sequential Mixed IO Speed 		3,621 MB/s Insanely faster peak mixed IO speed.
+4,081% 		86.6 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		143 MB/s Insanely faster peak random mixed IO.
+5,400% 		2.6 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		4,701 MB/s Insanely faster peak sustained write speed.
+1,884% 		237 MB/s
Value & Sentiment 
+30%
Market Share
Based on 77,572,003 SSDs tested
See market share leaders
User Rating
UBM User Rating 		65 % Much more popular.
+30% 		50 %
Nice To Haves 
+25,838%
Age
Newest 		13 Months Hugely more recent.
+83% 		78+ Months
DQ Read
Peak 4K-64Thread Read Speed 		2,277 MB/s Insanely faster peak deep queue read.
+3,200% 		69 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		1,855 MB/s Insanely faster peak deep queue write.
+21,222% 		8.7 MB/s
AS-SSD Total
AS-SSD Total Score 		6,803 Pts Insanely stronger server IO.
+3,114% 		212 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		2,062 MB/s Insanely faster peak deep queue mixed IO.
+76,270% 		2.7 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		1,580 MB/s Insanely faster deep queue read.
+4,440% 		34.8 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		1,177 MB/s Insanely faster deep queue write.
+24,421% 		4.8 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1,370 MB/s Insanely faster deep queue mixed IO.
+73,954% 		1.85 MB/s
Specifications 
Capacity
Capacity 		4TB 2TB
Conclusion 
Average Bench 487%
Average Bench 30%

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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User Builds 
6,318
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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]

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.
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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.

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  • - 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?
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
Why does UserBenchmark have a bad reputation on reddit?
Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
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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We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
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The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
Why is UserBenchmark the gold standard for users?
Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-12600K $167Nvidia RTX 4060 $275WD Black SN850X M.2 2TB $129
Intel Core i5-13600K $210Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $406
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