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Intel
SamsungMZ-77E4T0B
▲ 500 ▼
  

Release date ≈ Q3 2016.

VS
▲ 5121 ▼

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

Effective Speed 
+11%
Real World Speed
Performance profile from 9,458 user samples
Benchmark your SSD here
4 User Benchmarks
Best Bench: 148% 271GB free
Worst Bench: 44% 276GB free
Poor: 44% Great: 148%
SPEED RANK: 238th / 1080
9,454 User Benchmarks
Best Bench: 137% 3.5TB free
Worst Bench: 90% 1.5TB free
Poor: 90% Great: 137%
SPEED RANK: 203rd / 1080
Effective Speed
Effective SSD Speed 		105 % 117 % Faster effective speed.
+11%
Average Score 
+49%
Read
Avg. Sequential Read Speed 		1156 MB/s Hugely faster read speed.
+140% 		481 MB/s
Write
Avg. Sequential Write Speed 		314 MB/s 451 MB/s Much faster write speed.
+44%
4K Read
Avg. 4K Random Read Speed 		26.4 MB/s 40.5 MB/s Much faster random read.
+53%
4K Write
Avg. 4K Random Write Speed 		30.2 MB/s 90 MB/s Hugely faster random write.
+198%
Mixed
Avg. Sequential Mixed IO Speed 		420 MB/s 426 MB/s +1%
4K Mixed
Avg. 4K Random Mixed IO Speed 		26.1 MB/s 53.6 MB/s Hugely faster random mixed IO.
+105%
SusWrite
Avg. Sustained Write Speed 		244 MB/s 445 MB/s Hugely faster sustained write speed.
+82%
Peak Score 
+11%
Read
Peak Sequential Read Speed 		1561 MB/s Hugely faster peak read speed.
+202% 		517 MB/s
Write
Peak Sequential Write Speed 		604 MB/s Faster peak write speed.
+23% 		491 MB/s
4K Read
Peak 4K Random Read Speed 		38.4 MB/s 48.8 MB/s Faster peak random read.
+27%
4K Write
Peak 4K Random Write Speed 		68.5 MB/s 131 MB/s Hugely faster peak random write.
+91%
Mixed
Peak Sequential Mixed IO Speed 		844 MB/s Hugely faster peak mixed IO speed.
+82% 		464 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		40.7 MB/s 68.1 MB/s Much faster peak random mixed IO.
+67%
SusWrite
Peak Sequential Sustained Write 60s Average 		335 MB/s 489 MB/s Much faster peak sustained write speed.
+46%
Value & Sentiment 
+∞%
Market Share
Based on 77,426,413 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.03 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 51 % +2%
Nice To Haves 
+48%
Age
Newest 		99+ Months 44+ Months Much more recent.
+56%
DQ Read
Peak 4K-64Thread Read Speed 		527 MB/s Much faster peak deep queue read.
+35% 		389 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		183 MB/s 364 MB/s Hugely faster peak deep queue write.
+99%
AS-SSD Total
AS-SSD Total Score 		1,366 Pts +5% 1,301 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		251 MB/s 374 MB/s Much faster peak deep queue mixed IO.
+49%
ADQ Read
Avg. 4K-64Thread Read Speed 		365 MB/s +3% 354 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		134 MB/s 305 MB/s Hugely faster deep queue write.
+128%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		166 MB/s 324 MB/s Hugely faster deep queue mixed IO.
+95%
Specifications 
Capacity
Capacity 		475GB 4TB
Conclusion 
Average Bench 105%
Average Bench 117%

There are high failure rates for the 4TB version of this drive. After moderate use the drive can develop bad sectors which block file reads. Scandisk does not detect the errors and the data blocks are not recoverable. There are widespread reports of this problem but Samsung have yet to issue a statement. [Jul '23 SSDrivePro]

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Solid State Drive Rankings (Price vs Performance) November 2024 SSD Rankings

Welcome to our 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]

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.
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Welcome to our 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 value for money upgrades.

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  • - CPU tests include: integer, floating and string
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  • - Reports are generated and presented on userbenchmark.com
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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
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The Best
CPUGPUSSD
Intel Core i5-12600K $169Nvidia RTX 4060 $295WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $225Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
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