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SamsungMZ-7PD256BW
PNYSSD7CS2211-960-(R|P)B
$289
▲ 5420,557 ▼

Controller: Samsung 3-core MDX. Flash Memory: Samsung 21nm Toggle Mode MLC. Release date: Q4 2012.

VS
▲ 5095 ▼
 $289 

Controller: Phison PS3110. NAND Memory: Toshiba 15nm MLC. Release date: Q1 2016.

Effective Speed 
+5%
Real World Speed
Performance profile from 73,348 user samples
Benchmark your SSD here
73,119 User Benchmarks
Best Bench: 116% 238GB free
Worst Bench: 68% 11GB free (System drive)
Poor: 68% Great: 116%
SPEED RANK: 287th / 1080
229 User Benchmarks
Best Bench: 111% 170GB free
Worst Bench: 66% 117GB free (System drive)
Poor: 66% Great: 111%
SPEED RANK: 326th / 1080
Effective Speed
Effective SSD Speed 		95 % +5% 90.6 %
Average Score 
+1%
Read
Avg. Sequential Read Speed 		459 MB/s 487 MB/s Slightly faster read speed.
+6%
Write
Avg. Sequential Write Speed 		367 MB/s 439 MB/s Faster write speed.
+20%
4K Read
Avg. 4K Random Read Speed 		31 MB/s Faster random read.
+14% 		27.2 MB/s
4K Write
Avg. 4K Random Write Speed 		85.6 MB/s Slightly faster random write.
+8% 		79.2 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		303 MB/s 398 MB/s Much faster mixed IO speed.
+31%
4K Mixed
Avg. 4K Random Mixed IO Speed 		39.5 MB/s Much faster random mixed IO.
+47% 		26.9 MB/s
SusWrite
Avg. Sustained Write Speed 		312 MB/s 360 MB/s Faster sustained write speed.
+15%
Peak Score 
+3%
Read
Peak Sequential Read Speed 		510 MB/s 528 MB/s +4%
Write
Peak Sequential Write Speed 		480 MB/s 503 MB/s +5%
4K Read
Peak 4K Random Read Speed 		36.1 MB/s Slightly faster peak random read.
+9% 		33 MB/s
4K Write
Peak 4K Random Write Speed 		114 MB/s +1% 113 MB/s
Mixed
Peak Sequential Mixed IO Speed 		368 MB/s 510 MB/s Much faster peak mixed IO speed.
+39%
4K Mixed
Peak 4K Random Mixed IO Speed 		47.6 MB/s Faster peak random mixed IO.
+12% 		42.5 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		477 MB/s +0% 475 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 77,593,360 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.05 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		8.21 % 14.5 % Much better value.
+77%
User Rating
UBM User Rating 		54 % Slightly more popular.
+8% 		50 %
Price
Price (score) 		$175 Much cheaper.
+39% 		$289
Nice To Haves 
+5%
Age
Newest 		145 Months 106 Months More recent.
+27%
DQ Read
Peak 4K-64Thread Read Speed 		385 MB/s Slightly faster peak deep queue read.
+8% 		357 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		334 MB/s 363 MB/s Slightly faster peak deep queue write.
+9%
AS-SSD Total
AS-SSD Total Score 		1,221 Pts +1% 1,206 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		176 MB/s 189 MB/s Slightly faster peak deep queue mixed IO.
+7%
ADQ Read
Avg. 4K-64Thread Read Speed 		346 MB/s Much faster deep queue read.
+42% 		244 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		262 MB/s +3% 254 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		147 MB/s Faster deep queue mixed IO.
+28% 		115 MB/s
Specifications 
Capacity
Capacity 		256GB 960GB
Conclusion 
Average Bench 95%
Average Bench 90.6%

The 840 Pro is stunning. Samsung have created a completely in-house package including both the controller and their own new 21nm toggle mode NAND. On release (Oct '12) this was the fastest performing deep queue depth consumer grade SSD available. Fast forward six months (Apr '13) and the 840 Pro still holds both the random read/write deep queue depth speed records of 384 MB/s and 326 MB/s, impressive considering how fast the SSD space tends to move. There are no obvious weaknesses, in-fact the 840 pro takes first place in nearly all of the speed categories and is only seriously rivalled by one drive, the OCZ Vector. To conclude, in terms of both outright performance, particularly server orientated, and value for money the 256GB and 128GB 840 Pros are amongst the top handful of drives currently available. [Jun '13 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?
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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?
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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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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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