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

Release date ≈ Q4 2022.

VS
▲ 65321 ▼

Release date: Q4 2023.

Effective Speed 
+38%
Real World Speed
Performance profile from 4,119 user samples
Benchmark your SSD here
56 User Benchmarks
Great bench: 500% 896GB free
Poor bench: 189% 870GB free (System drive)
Poor: 189% Great: 500%
SPEED RANK: 24th / 1080
4,063 User Benchmarks
Great bench: 619% 3TB free
Poor bench: 306% 719GB free (System drive)
Poor: 306% Great: 619%
SPEED RANK: 9th / 1080
Effective Speed
Effective SSD Speed 		352 % 488 % Much faster effective speed.
+38%
Average Score 
+31%
Read
Avg. Sequential Read Speed 		2384 MB/s 2450 MB/s +3%
Write
Avg. Sequential Write Speed 		2806 MB/s 3868 MB/s Much faster write speed.
+38%
4K Read
Avg. 4K Random Read Speed 		62.1 MB/s 73.8 MB/s Faster random read.
+19%
4K Write
Avg. 4K Random Write Speed 		171 MB/s 190 MB/s Faster random write.
+11%
Mixed
Avg. Sequential Mixed IO Speed 		2171 MB/s 2903 MB/s Much faster mixed IO speed.
+34%
4K Mixed
Avg. 4K Random Mixed IO Speed 		85.5 MB/s 105 MB/s Faster random mixed IO.
+23%
SusWrite
Avg. Sustained Write Speed 		1864 MB/s 3603 MB/s Hugely faster sustained write speed.
+93%
Peak Score 
+18%
Read
Peak Sequential Read Speed 		4203 MB/s Much faster peak read speed.
+32% 		3184 MB/s
Write
Peak Sequential Write Speed 		4598 MB/s 4791 MB/s +4%
4K Read
Peak 4K Random Read Speed 		75.3 MB/s 94.7 MB/s Faster peak random read.
+26%
4K Write
Peak 4K Random Write Speed 		294 MB/s 304 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed 		2661 MB/s 3604 MB/s Much faster peak mixed IO speed.
+35%
4K Mixed
Peak 4K Random Mixed IO Speed 		115 MB/s 149 MB/s Faster peak random mixed IO.
+30%
SusWrite
Peak Sequential Sustained Write 60s Average 		2952 MB/s 4661 MB/s Much faster peak sustained write speed.
+58%
Value & Sentiment 
+∞%
Market Share
Based on 76,244,239 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.29 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 65 % Much more popular.
+30%
Nice To Haves 
+19%
Age
Newest 		18+ Months 8 Months Much more recent.
+56%
DQ Read
Peak 4K-64Thread Read Speed 		2078 MB/s 2218 MB/s Slightly faster peak deep queue read.
+7%
DQ Write
Peak 4K-64Thread Write Speed 		1618 MB/s 1824 MB/s Faster peak deep queue write.
+13%
AS-SSD Total
AS-SSD Total Score 		6,290 Pts 6,681 Pts Slightly stronger server IO.
+6%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		1781 MB/s 2019 MB/s Faster peak deep queue mixed IO.
+13%
ADQ Read
Avg. 4K-64Thread Read Speed 		1364 MB/s 1605 MB/s Faster deep queue read.
+18%
ADQ Write
Avg. 4K-64Thread Write Speed 		980 MB/s 1184 MB/s Faster deep queue write.
+21%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1169 MB/s 1385 MB/s Faster deep queue mixed IO.
+18%
Specifications 
Capacity
Capacity 		1TB 4TB
Conclusion 
Average Bench 352%
Average Bench 488%
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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) June 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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  • 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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 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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The Best
CPUGPUSSD
Intel Core i5-12600K $160Nvidia RTX 4060 $290WD Black SN850X M.2 2TB $160
Intel Core i5-13600K $249Nvidia RTX 4060-Ti $385WD Black SN850X M.2 1TB $79
Intel Core i5-12400F $110Nvidia RTX 4070 $520Crucial T700 M.2 4TB $363
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