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SamsungMZ-75E120B
PlextorPX-256M5P
▲ 584,587 ▼

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND. Release date: Q4 2014.

VS
▲ 531,508 ▼

Controller: Marvell 88SS9187-BLD2. NAND Memory: Toshiba 19nm Toggle Mode MLC. Release date: Q3 2012.

Effective Speed 
+8%
Real World Speed
Performance profile from 71,675 user samples
Benchmark your SSD here
69,224 User Benchmarks
Best Bench: 115% 111GB free
Worst Bench: 64% 111GB free
Poor: 64% Great: 115%
SPEED RANK: 281st / 1080
2,451 User Benchmarks
Best Bench: 106% 70GB free
Worst Bench: 62% 177GB free
Poor: 62% Great: 106%
SPEED RANK: 364th / 1080
Effective Speed
Effective SSD Speed 		96 % Slightly faster effective speed.
+8% 		88.5 %
Average Score 
+10%
Read
Avg. Sequential Read Speed 		459 MB/s +3% 447 MB/s
Write
Avg. Sequential Write Speed 		431 MB/s Faster write speed.
+14% 		377 MB/s
4K Read
Avg. 4K Random Read Speed 		38.9 MB/s Much faster random read.
+40% 		27.8 MB/s
4K Write
Avg. 4K Random Write Speed 		91.2 MB/s Much faster random write.
+45% 		62.9 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		358 MB/s Faster mixed IO speed.
+27% 		283 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		50.2 MB/s Much faster random mixed IO.
+56% 		32.2 MB/s
SusWrite
Avg. Sustained Write Speed 		168 MB/s 361 MB/s Hugely faster sustained write speed.
+115%
Peak Score 
+8%
Read
Peak Sequential Read Speed 		508 MB/s +2% 499 MB/s
Write
Peak Sequential Write Speed 		489 MB/s Faster peak write speed.
+13% 		432 MB/s
4K Read
Peak 4K Random Read Speed 		47.3 MB/s Much faster peak random read.
+37% 		34.5 MB/s
4K Write
Peak 4K Random Write Speed 		127 MB/s Much faster peak random write.
+43% 		89 MB/s
Mixed
Peak Sequential Mixed IO Speed 		416 MB/s Much faster peak mixed IO speed.
+32% 		314 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		62.6 MB/s Much faster peak random mixed IO.
+51% 		41.5 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		190 MB/s 423 MB/s Hugely faster peak sustained write speed.
+123%
Value & Sentiment 
+∞%
Market Share
Based on 77,396,270 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.08 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		8.46 % 11.6 % Much better value.
+38%
User Rating
UBM User Rating 		58 % Slightly more popular.
+9% 		53 %
Price
Price (score) 		$80 Cheaper.
+20% 		$100
Nice To Haves 
+24%
Age
Newest 		119 Months More recent.
+18% 		146 Months
DQ Read
Peak 4K-64Thread Read Speed 		386 MB/s +2% 379 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		361 MB/s Slightly faster peak deep queue write.
+7% 		336 MB/s
AS-SSD Total
AS-SSD Total Score 		1,286 Pts Slightly stronger server IO.
+9% 		1,177 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		364 MB/s Much faster peak deep queue mixed IO.
+64% 		222 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		338 MB/s Faster deep queue read.
+10% 		307 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		294 MB/s Faster deep queue write.
+12% 		263 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		302 MB/s Much faster deep queue mixed IO.
+69% 		179 MB/s
Specifications 
Capacity
Capacity 		120GB 256GB
Conclusion 
Average Bench 96%
Average Bench 88.5%

The Plextor M5 delivers fantastic value for money and sits within easy reach of the top handful of SSD's currently available. The M5's performance favours server type workloads where it takes joint fourth position in the AS-SSD total score benchmark. With a Real World Speed Index of 524.5 it will also cope very well with consumer workloads. Aside from its blistering performance we also like the fact that this drive uses the latest Marvell controller which hasn't suffered any of the reliability issues that plagued some of the early Sandforce based drives. When this drive first hit the shelves in September '12 it was overpriced but since then prices have dropped by nearly 40% making it currently one of top five value for money drives 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]

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.
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

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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How it works

  • - 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 »

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Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
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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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The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
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Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
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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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