SSD
SamsungMZ-77E250B
  

Release date ≈ Q1 2018.

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

Real World Speed
Performance profile from 6,752 user samples
2,751 User Benchmarks
Best Bench: 248% 434GB free (System drive)
Worst Bench: 34% 327GB free (System drive)
Poor: 34% Great: 248%
SPEED RANK: 259th / 1058
4,001 User Benchmarks
Best Bench: 131% 229GB free
Worst Bench: 78% 165GB free (System drive)
Poor: 78% Great: 131%
SPEED RANK: 223rd / 1058
Effective Speed
Effective SSD Speed
96.2 % 106 % Faster effective speed.
+10%
Read
Avg. Sequential Read Speed
728 MB/s Much faster read speed.
+55%
471 MB/s
Write
Avg. Sequential Write Speed
546 MB/s Much faster write speed.
+33%
411 MB/s
4K Read
Avg. 4K Random Read Speed
30.7 MB/s 38.8 MB/s Faster random read.
+26%
4K Write
Avg. 4K Random Write Speed
73 MB/s 87.2 MB/s Faster random write.
+19%
Mixed
Avg. Sequential Mixed IO Speed
417 MB/s Slightly faster mixed IO speed.
+9%
381 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
16.4 MB/s 49.6 MB/s Hugely faster random mixed IO.
+202%
SusWrite
Avg. Sustained Write Speed
382 MB/s Faster sustained write speed.
+14%
336 MB/s
Read
Peak Sequential Read Speed
1920 MB/s Hugely faster peak read speed.
+271%
517 MB/s
Write
Peak Sequential Write Speed
1466 MB/s Hugely faster peak write speed.
+198%
492 MB/s
4K Read
Peak 4K Random Read Speed
49.2 MB/s 50.3 MB/s +2%
4K Write
Peak 4K Random Write Speed
168 MB/s Much faster peak random write.
+38%
122 MB/s
Mixed
Peak Sequential Mixed IO Speed
1103 MB/s Hugely faster peak mixed IO speed.
+140%
459 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
32.9 MB/s 67.8 MB/s Hugely faster peak random mixed IO.
+106%
SusWrite
Peak Sequential Sustained Write 60s Average
1381 MB/s Hugely faster peak sustained write speed.
+250%
395 MB/s
Market Share
Based on 47,043,095 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.02 % 0.12 % Hugely higher market share.
+500%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
42+ Months 7 Months Hugely more recent.
+83%
DQ Read
Peak 4K-64Thread Read Speed
865 MB/s Hugely faster peak deep queue read.
+122%
389 MB/s
DQ Write
Peak 4K-64Thread Write Speed
884 MB/s Hugely faster peak deep queue write.
+145%
361 MB/s
AS-SSD Total
AS-SSD Total Score
2,860 Pts Hugely stronger server IO.
+121%
1,293 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
553 MB/s Much faster peak deep queue mixed IO.
+49%
372 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
318 MB/s 344 MB/s Slightly faster deep queue read.
+8%
ADQ Write
Avg. 4K-64Thread Write Speed
331 MB/s Faster deep queue write.
+11%
298 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
138 MB/s 285 MB/s Hugely faster deep queue mixed IO.
+107%
Capacity
Capacity
512GB 250GB
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light speed ssd [Feb '21 tester4678]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) September 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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