SamsungMZ-77E250B
Kingston

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

  

Release date ≈ Q4 2019.

Real World Speed
Performance profile from 7,251 user samples
3,892 User Benchmarks
Best Bench: 131% 229GB free
Worst Bench: 78% 165GB free (System drive)
Poor: 78% Great: 131%
SPEED RANK: 222nd / 1058
3,359 User Benchmarks
Best Bench: 128% 238GB free
Worst Bench: 74% 130GB free (System drive)
Poor: 74% Great: 128%
SPEED RANK: 221st / 1058
Effective Speed
Effective SSD Speed
106 % 107 % +1%
Read
Avg. Sequential Read Speed
471 MB/s +0% 470 MB/s
Write
Avg. Sequential Write Speed
411 MB/s 415 MB/s +1%
4K Read
Avg. 4K Random Read Speed
38.8 MB/s +2% 38.1 MB/s
4K Write
Avg. 4K Random Write Speed
87.2 MB/s Slightly faster random write.
+6%
82.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed
381 MB/s 398 MB/s +4%
4K Mixed
Avg. 4K Random Mixed IO Speed
49.6 MB/s 49.6 MB/s
SusWrite
Avg. Sustained Write Speed
335 MB/s 373 MB/s Faster sustained write speed.
+11%
Read
Peak Sequential Read Speed
517 MB/s +0% 515 MB/s
Write
Peak Sequential Write Speed
492 MB/s +4% 475 MB/s
4K Read
Peak 4K Random Read Speed
50.3 MB/s Slightly faster peak random read.
+5%
47.9 MB/s
4K Write
Peak 4K Random Write Speed
122 MB/s Slightly faster peak random write.
+5%
116 MB/s
Mixed
Peak Sequential Mixed IO Speed
459 MB/s +4% 442 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
67.8 MB/s +5% 64.7 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
395 MB/s 462 MB/s Faster peak sustained write speed.
+17%
Market Share
Based on 46,993,669 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.12 % Hugely higher market share.
+200%
0.04 %
User Rating
UBM User Rating
56 % More popular.
+12%
50 %
Age
Newest
7 Months Much more recent.
+68%
22+ Months
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s Slightly faster peak deep queue read.
+7%
362 MB/s
DQ Write
Peak 4K-64Thread Write Speed
361 MB/s +1% 359 MB/s
AS-SSD Total
AS-SSD Total Score
1,293 Pts +5% 1,237 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
372 MB/s Much faster peak deep queue mixed IO.
+40%
266 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
344 MB/s Faster deep queue read.
+11%
309 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
298 MB/s 301 MB/s +1%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
286 MB/s Faster deep queue mixed IO.
+22%
235 MB/s
Capacity
Capacity
250GB 256GB
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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 $350Nvidia 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 $78SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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