WDC
SamsungMZ-77E250B
  

Release date ≈ Q4 2018.

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

Real World Speed
Performance profile from 23,347 user samples
20,227 User Benchmarks
Best Bench: 118% 268GB free
Worst Bench: 68% 219GB free (System drive)
Poor: 68% Great: 118%
SPEED RANK: 256th / 1058
3,120 User Benchmarks
Best Bench: 129% 233GB free
Worst Bench: 74% 162GB free (System drive)
Poor: 74% Great: 129%
SPEED RANK: 224th / 1058
Effective Speed
Effective SSD Speed
96.5 % 105 % Slightly faster effective speed.
+8%
Read
Avg. Sequential Read Speed
456 MB/s 467 MB/s +2%
Write
Avg. Sequential Write Speed
396 MB/s 408 MB/s +3%
4K Read
Avg. 4K Random Read Speed
31.5 MB/s 38 MB/s Faster random read.
+21%
4K Write
Avg. 4K Random Write Speed
78.8 MB/s 84.9 MB/s Slightly faster random write.
+8%
Mixed
Avg. Sequential Mixed IO Speed
286 MB/s 379 MB/s Much faster mixed IO speed.
+33%
4K Mixed
Avg. 4K Random Mixed IO Speed
40 MB/s 48.4 MB/s Faster random mixed IO.
+21%
SusWrite
Avg. Sustained Write Speed
345 MB/s +2% 338 MB/s
Read
Peak Sequential Read Speed
512 MB/s 516 MB/s +1%
Write
Peak Sequential Write Speed
483 MB/s 490 MB/s +1%
4K Read
Peak 4K Random Read Speed
40.4 MB/s 50.1 MB/s Faster peak random read.
+24%
4K Write
Peak 4K Random Write Speed
114 MB/s 122 MB/s Slightly faster peak random write.
+7%
Mixed
Peak Sequential Mixed IO Speed
394 MB/s 458 MB/s Faster peak mixed IO speed.
+16%
4K Mixed
Peak 4K Random Mixed IO Speed
53.6 MB/s 67 MB/s Faster peak random mixed IO.
+25%
SusWrite
Peak Sequential Sustained Write 60s Average
428 MB/s Slightly faster peak sustained write speed.
+8%
395 MB/s
Market Share
Based on 45,279,876 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % 0.16 % Hugely higher market share.
+100%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
31+ Months 6 Months Hugely more recent.
+81%
DQ Read
Peak 4K-64Thread Read Speed
379 MB/s 390 MB/s +3%
DQ Write
Peak 4K-64Thread Write Speed
338 MB/s 361 MB/s Slightly faster peak deep queue write.
+7%
AS-SSD Total
AS-SSD Total Score
1,225 Pts 1,293 Pts Slightly stronger server IO.
+6%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
288 MB/s 371 MB/s Faster peak deep queue mixed IO.
+29%
ADQ Read
Avg. 4K-64Thread Read Speed
334 MB/s 337 MB/s +1%
ADQ Write
Avg. 4K-64Thread Write Speed
282 MB/s 294 MB/s +4%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
236 MB/s 283 MB/s Faster deep queue mixed IO.
+20%
Capacity
Capacity
500GB 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 $299Nvidia 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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