WDC
SamsungMZ-77E250B
  

Release date ≈ Q4 2020.

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

Real World Speed
Performance profile from 11,350 user samples
2,529 User Benchmarks
Best Bench: 272% 886GB free (System drive)
Worst Bench: 163% 481GB free (System drive)
Poor: 163% Great: 272%
SPEED RANK: 70th / 1058
8,821 User Benchmarks
Best Bench: 130% 197GB free
Worst Bench: 71% 135GB free (System drive)
Poor: 71% Great: 130%
SPEED RANK: 226th / 1058
Effective Speed
Effective SSD Speed
225 % Hugely faster effective speed.
+115%
105 %
Read
Avg. Sequential Read Speed
1474 MB/s Hugely faster read speed.
+214%
469 MB/s
Write
Avg. Sequential Write Speed
1650 MB/s Hugely faster write speed.
+314%
399 MB/s
4K Read
Avg. 4K Random Read Speed
46.1 MB/s Faster random read.
+21%
38.1 MB/s
4K Write
Avg. 4K Random Write Speed
150 MB/s Much faster random write.
+68%
89.5 MB/s
Mixed
Avg. Sequential Mixed IO Speed
1289 MB/s Hugely faster mixed IO speed.
+249%
369 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
67.9 MB/s Much faster random mixed IO.
+40%
48.6 MB/s
SusWrite
Avg. Sustained Write Speed
832 MB/s Hugely faster sustained write speed.
+156%
325 MB/s
Read
Peak Sequential Read Speed
1578 MB/s Hugely faster peak read speed.
+205%
517 MB/s
Write
Peak Sequential Write Speed
1824 MB/s Hugely faster peak write speed.
+272%
490 MB/s
4K Read
Peak 4K Random Read Speed
55.9 MB/s Faster peak random read.
+11%
50.4 MB/s
4K Write
Peak 4K Random Write Speed
234 MB/s Hugely faster peak random write.
+86%
126 MB/s
Mixed
Peak Sequential Mixed IO Speed
1463 MB/s Hugely faster peak mixed IO speed.
+220%
457 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
86.1 MB/s Faster peak random mixed IO.
+27%
67.8 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
955 MB/s Hugely faster peak sustained write speed.
+140%
398 MB/s
Market Share
Based on 56,070,795 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.05 % 0.13 % Hugely higher market share.
+160%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
18+ Months 17 Months Slightly more recent.
+6%
DQ Read
Peak 4K-64Thread Read Speed
1522 MB/s Hugely faster peak deep queue read.
+292%
388 MB/s
DQ Write
Peak 4K-64Thread Write Speed
1110 MB/s Hugely faster peak deep queue write.
+207%
361 MB/s
AS-SSD Total
AS-SSD Total Score
4,170 Pts Hugely stronger server IO.
+222%
1295 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
1259 MB/s Hugely faster peak deep queue mixed IO.
+238%
372 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
1112 MB/s Hugely faster deep queue read.
+227%
340 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
771 MB/s Hugely faster deep queue write.
+164%
292 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
915 MB/s Hugely faster deep queue mixed IO.
+234%
274 MB/s
Capacity
Capacity
1TB 250GB
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light speed ssd [Feb '21 tester4678]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) June 2022 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 i5-12600K $280Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-12400F $170Nvidia RTX 3070 $500Samsung 850 Evo 120GB $111
Intel Core i7-12700K $380Nvidia RTX 3050 $250Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $33Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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