Kbg40zns512g
SamsungMZ-77E1T0B
  

Release date ≈ Q4 2019.

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

Real World Speed
Performance profile from 20,544 user samples
9,638 User Benchmarks
Best Bench: 213% 477GB free
Worst Bench: 90% 8GB free (System drive)
Poor: 90% Great: 213%
SPEED RANK: 147th / 1058
10,906 User Benchmarks
Best Bench: 138% 434GB free
Worst Bench: 84% 697GB free (System drive)
Poor: 84% Great: 138%
SPEED RANK: 185th / 1058
Effective Speed
Effective SSD Speed
148 % Faster effective speed.
+27%
117 %
Read
Avg. Sequential Read Speed
973 MB/s Hugely faster read speed.
+101%
484 MB/s
Write
Avg. Sequential Write Speed
902 MB/s Hugely faster write speed.
+100%
450 MB/s
4K Read
Avg. 4K Random Read Speed
38.7 MB/s 41 MB/s Slightly faster random read.
+6%
4K Write
Avg. 4K Random Write Speed
95.6 MB/s +2% 94.1 MB/s
Mixed
Avg. Sequential Mixed IO Speed
871 MB/s Hugely faster mixed IO speed.
+107%
421 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
52.1 MB/s 54.9 MB/s Slightly faster random mixed IO.
+5%
SusWrite
Avg. Sustained Write Speed
457 MB/s Slightly faster sustained write speed.
+6%
433 MB/s
Read
Peak Sequential Read Speed
1497 MB/s Hugely faster peak read speed.
+190%
516 MB/s
Write
Peak Sequential Write Speed
1414 MB/s Hugely faster peak write speed.
+187%
492 MB/s
4K Read
Peak 4K Random Read Speed
54.4 MB/s Slightly faster peak random read.
+9%
49.7 MB/s
4K Write
Peak 4K Random Write Speed
180 MB/s Much faster peak random write.
+45%
124 MB/s
Mixed
Peak Sequential Mixed IO Speed
1261 MB/s Hugely faster peak mixed IO speed.
+172%
464 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
75.9 MB/s Faster peak random mixed IO.
+11%
68.2 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
572 MB/s Faster peak sustained write speed.
+17%
490 MB/s
Market Share
Based on 47,334,633 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.09 % 0.28 % Hugely higher market share.
+211%
User Rating
UBM User Rating
50 % 56 % More popular.
+12%
Age
Newest
22+ Months 8+ Months Much more recent.
+64%
DQ Read
Peak 4K-64Thread Read Speed
1275 MB/s Hugely faster peak deep queue read.
+228%
389 MB/s
DQ Write
Peak 4K-64Thread Write Speed
800 MB/s Hugely faster peak deep queue write.
+120%
363 MB/s
AS-SSD Total
AS-SSD Total Score
3,363 Pts Hugely stronger server IO.
+160%
1,295 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
696 MB/s Hugely faster peak deep queue mixed IO.
+87%
373 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
801 MB/s Hugely faster deep queue read.
+136%
340 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
418 MB/s Much faster deep queue write.
+40%
299 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
558 MB/s Hugely faster deep queue mixed IO.
+81%
308 MB/s
Capacity
Capacity
512GB 1TB
ADVERTISEMENT

Great SSD [Mar '21 Emerald_Wolf]

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]

ADVERTISEMENT

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 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $390Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback