SamsungMZ-75E120B
Pm991

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

  

Release date ≈ Q4 2019.

Real World Speed
Performance profile from 59,957 user samples
58,536 User Benchmarks
Best Bench: 114% 99GB free
Worst Bench: 62% 43GB free (System drive)
Poor: 62% Great: 114%
SPEED RANK: 273rd / 1058
1,421 User Benchmarks
Best Bench: 191% 391GB free
Worst Bench: 77% 133GB free (System drive)
Poor: 77% Great: 191%
SPEED RANK: 174th / 1058
Effective Speed
Effective SSD Speed
94.2 % 125 % Much faster effective speed.
+32%
Read
Avg. Sequential Read Speed
458 MB/s 966 MB/s Hugely faster read speed.
+111%
Write
Avg. Sequential Write Speed
431 MB/s 552 MB/s Faster write speed.
+28%
4K Read
Avg. 4K Random Read Speed
38.1 MB/s Faster random read.
+13%
33.7 MB/s
4K Write
Avg. 4K Random Write Speed
87.4 MB/s +1% 86.2 MB/s
Mixed
Avg. Sequential Mixed IO Speed
358 MB/s 540 MB/s Much faster mixed IO speed.
+51%
4K Mixed
Avg. 4K Random Mixed IO Speed
48.6 MB/s Faster random mixed IO.
+13%
43.1 MB/s
SusWrite
Avg. Sustained Write Speed
167 MB/s 318 MB/s Hugely faster sustained write speed.
+90%
Read
Peak Sequential Read Speed
507 MB/s 1347 MB/s Hugely faster peak read speed.
+166%
Write
Peak Sequential Write Speed
490 MB/s 1279 MB/s Hugely faster peak write speed.
+161%
4K Read
Peak 4K Random Read Speed
47.5 MB/s 48.2 MB/s +1%
4K Write
Peak 4K Random Write Speed
126 MB/s 135 MB/s Slightly faster peak random write.
+7%
Mixed
Peak Sequential Mixed IO Speed
414 MB/s 1166 MB/s Hugely faster peak mixed IO speed.
+182%
4K Mixed
Peak 4K Random Mixed IO Speed
62.5 MB/s 69.3 MB/s Faster peak random mixed IO.
+11%
SusWrite
Peak Sequential Sustained Write 60s Average
188 MB/s 658 MB/s Hugely faster peak sustained write speed.
+250%
Market Share
Based on 44,219,641 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.1 % Hugely higher market share.
+400%
0.02 %
User Rating
UBM User Rating
58 % More popular.
+16%
50 %
Age
Newest
78 Months 20+ Months Much more recent.
+74%
DQ Read
Peak 4K-64Thread Read Speed
388 MB/s 903 MB/s Hugely faster peak deep queue read.
+133%
DQ Write
Peak 4K-64Thread Write Speed
361 MB/s 861 MB/s Hugely faster peak deep queue write.
+139%
AS-SSD Total
AS-SSD Total Score
1,288 Pts 2,773 Pts Hugely stronger server IO.
+115%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
362 MB/s 740 MB/s Hugely faster peak deep queue mixed IO.
+104%
ADQ Read
Avg. 4K-64Thread Read Speed
337 MB/s 566 MB/s Much faster deep queue read.
+68%
ADQ Write
Avg. 4K-64Thread Write Speed
296 MB/s 311 MB/s Slightly faster deep queue write.
+5%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
301 MB/s 381 MB/s Faster deep queue mixed IO.
+27%
Capacity
Capacity
120GB 512GB
Solid State Drive Rankings (Price vs Performance) June 2021 SSD Rankings.

Welcome to our 2.5" and M.2 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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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 freeware 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 upgrades.

UserBenchmark of the month

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.
  • - 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.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $90SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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