Kingston
SamsungMZ-77E250B
  

Release date ≈ Q2 2018.

Controller: Samsung MKX. Memory: Samsung 128 layer TLC V-NAND. Release date: Q1 2021.

Real World Speed
Performance profile from 16,310 user samples
13,212 User Benchmarks
Best Bench: 124% 43GB free (System drive)
Worst Bench: 61% 76GB free (System drive)
Poor: 61% Great: 124%
SPEED RANK: 297th / 1058
3,098 User Benchmarks
Best Bench: 129% 233GB free
Worst Bench: 73% 162GB free (System drive)
Poor: 73% Great: 129%
SPEED RANK: 225th / 1058
Effective Speed
Effective SSD Speed
91.8 % 104 % Faster effective speed.
+14%
Read
Avg. Sequential Read Speed
567 MB/s Faster read speed.
+21%
468 MB/s
Write
Avg. Sequential Write Speed
517 MB/s Faster write speed.
+27%
407 MB/s
4K Read
Avg. 4K Random Read Speed
26.4 MB/s 37.9 MB/s Much faster random read.
+44%
4K Write
Avg. 4K Random Write Speed
63.5 MB/s 84.6 MB/s Much faster random write.
+33%
Mixed
Avg. Sequential Mixed IO Speed
470 MB/s Faster mixed IO speed.
+24%
379 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
30.2 MB/s 48.3 MB/s Much faster random mixed IO.
+60%
SusWrite
Avg. Sustained Write Speed
234 MB/s 338 MB/s Much faster sustained write speed.
+44%
Read
Peak Sequential Read Speed
741 MB/s Much faster peak read speed.
+44%
516 MB/s
Write
Peak Sequential Write Speed
797 MB/s Much faster peak write speed.
+63%
490 MB/s
4K Read
Peak 4K Random Read Speed
34 MB/s 50.1 MB/s Much faster peak random read.
+47%
4K Write
Peak 4K Random Write Speed
99.6 MB/s 123 MB/s Faster peak random write.
+23%
Mixed
Peak Sequential Mixed IO Speed
721 MB/s Much faster peak mixed IO speed.
+57%
458 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
45.7 MB/s 67.1 MB/s Much faster peak random mixed IO.
+47%
SusWrite
Peak Sequential Sustained Write 60s Average
353 MB/s 394 MB/s Faster peak sustained write speed.
+12%
Market Share
Based on 45,303,547 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.06 % 0.16 % Hugely higher market share.
+167%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
37+ Months 6 Months Hugely more recent.
+84%
DQ Read
Peak 4K-64Thread Read Speed
703 MB/s Hugely faster peak deep queue read.
+80%
390 MB/s
DQ Write
Peak 4K-64Thread Write Speed
692 MB/s Hugely faster peak deep queue write.
+92%
361 MB/s
AS-SSD Total
AS-SSD Total Score
2,108 Pts Much stronger server IO.
+63%
1,294 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
586 MB/s Much faster peak deep queue mixed IO.
+58%
371 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
536 MB/s Much faster deep queue read.
+59%
338 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
396 MB/s Much faster deep queue write.
+35%
294 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
392 MB/s Much faster deep queue mixed IO.
+39%
283 MB/s
Capacity
Capacity
256GB 250GB
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light speed ssd [Feb '21 tester4678]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) July 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.
  • - 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11400F $239Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $270Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-10700K $304Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $85SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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