Bc511
SamsungMZ-77E250B
  

Release date ≈ Q3 2019.

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

Real World Speed
Performance profile from 7,529 user samples
5,102 User Benchmarks
Best Bench: 176% 141GB free (System drive)
Worst Bench: 99% 68GB free (System drive)
Poor: 99% Great: 176%
SPEED RANK: 151st / 1058
2,427 User Benchmarks
Best Bench: 129% 174GB free (System drive)
Worst Bench: 75% 82GB free
Poor: 75% Great: 129%
SPEED RANK: 222nd / 1058
Effective Speed
Effective SSD Speed
142 % Much faster effective speed.
+34%
106 %
Read
Avg. Sequential Read Speed
902 MB/s Hugely faster read speed.
+92%
469 MB/s
Write
Avg. Sequential Write Speed
647 MB/s Much faster write speed.
+59%
408 MB/s
4K Read
Avg. 4K Random Read Speed
45.8 MB/s Faster random read.
+20%
38.1 MB/s
4K Write
Avg. 4K Random Write Speed
97.9 MB/s Faster random write.
+16%
84.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed
686 MB/s Hugely faster mixed IO speed.
+81%
379 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
55.4 MB/s Faster random mixed IO.
+13%
49 MB/s
SusWrite
Avg. Sustained Write Speed
331 MB/s 346 MB/s +5%
Read
Peak Sequential Read Speed
1060 MB/s Hugely faster peak read speed.
+105%
516 MB/s
Write
Peak Sequential Write Speed
804 MB/s Much faster peak write speed.
+64%
490 MB/s
4K Read
Peak 4K Random Read Speed
55.9 MB/s Faster peak random read.
+11%
50.2 MB/s
4K Write
Peak 4K Random Write Speed
135 MB/s Faster peak random write.
+12%
121 MB/s
Mixed
Peak Sequential Mixed IO Speed
857 MB/s Hugely faster peak mixed IO speed.
+88%
457 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
72.9 MB/s Slightly faster peak random mixed IO.
+8%
67.7 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
483 MB/s Faster peak sustained write speed.
+23%
394 MB/s
Market Share
Based on 44,202,520 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.06 % 0.18 % Hugely higher market share.
+200%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
23+ Months 5 Months Much more recent.
+78%
DQ Read
Peak 4K-64Thread Read Speed
836 MB/s Hugely faster peak deep queue read.
+115%
389 MB/s
DQ Write
Peak 4K-64Thread Write Speed
739 MB/s Hugely faster peak deep queue write.
+105%
360 MB/s
AS-SSD Total
AS-SSD Total Score
2,466 Pts Hugely stronger server IO.
+91%
1290 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
667 MB/s Much faster peak deep queue mixed IO.
+80%
371 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
678 MB/s Hugely faster deep queue read.
+96%
346 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
490 MB/s Much faster deep queue write.
+63%
301 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
505 MB/s Much faster deep queue mixed IO.
+77%
286 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) June 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.
  • - 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.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $92SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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