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SamsungMZ-77E250B
▲ 500 ▼
  

Release date ≈ Q4 2019.

VS
▲ 57223 ▼

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

Effective Speed 
+27%
Real World Speed
Performance profile from 14,088 user samples
Benchmark your SSD here
6 User Benchmarks
Great bench: 84% 948GB free
Poor bench: 74% 85GB free
Poor: 74% Great: 84%
SPEED RANK: 496th / 1080
14,082 User Benchmarks
Best Bench: 128% 0GB free
Worst Bench: 67% 59GB free (System drive)
Poor: 67% Great: 128%
SPEED RANK: 259th / 1080
Effective Speed
Effective SSD Speed 		79.8 % 101 % Faster effective speed.
+27%
Average Score 
+23%
Read
Avg. Sequential Read Speed 		390 MB/s 461 MB/s Faster read speed.
+18%
Write
Avg. Sequential Write Speed 		427 MB/s Slightly faster write speed.
+8% 		395 MB/s
4K Read
Avg. 4K Random Read Speed 		25.4 MB/s 36.4 MB/s Much faster random read.
+43%
4K Write
Avg. 4K Random Write Speed 		42.2 MB/s 81.9 MB/s Hugely faster random write.
+94%
Mixed
Avg. Sequential Mixed IO Speed 		379 MB/s +4% 365 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		30.8 MB/s 45.9 MB/s Much faster random mixed IO.
+49%
SusWrite
Avg. Sustained Write Speed 		425 MB/s Much faster sustained write speed.
+32% 		322 MB/s
Peak Score 
+43%
Read
Peak Sequential Read Speed 		432 MB/s 514 MB/s Faster peak read speed.
+19%
Write
Peak Sequential Write Speed 		458 MB/s 486 MB/s Slightly faster peak write speed.
+6%
4K Read
Peak 4K Random Read Speed 		29.1 MB/s 49.1 MB/s Much faster peak random read.
+69%
4K Write
Peak 4K Random Write Speed 		52.9 MB/s 123 MB/s Hugely faster peak random write.
+133%
Mixed
Peak Sequential Mixed IO Speed 		424 MB/s 457 MB/s Slightly faster peak mixed IO speed.
+8%
4K Mixed
Peak 4K Random Mixed IO Speed 		36.6 MB/s 66.1 MB/s Hugely faster peak random mixed IO.
+81%
SusWrite
Peak Sequential Sustained Write 60s Average 		455 MB/s Faster peak sustained write speed.
+15% 		396 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 77,541,594 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.1 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 57 % More popular.
+14%
Nice To Haves 
+108%
Age
Newest 		60+ Months 45 Months More recent.
+25%
DQ Read
Peak 4K-64Thread Read Speed 		173 MB/s 389 MB/s Hugely faster peak deep queue read.
+125%
DQ Write
Peak 4K-64Thread Write Speed 		201 MB/s 362 MB/s Hugely faster peak deep queue write.
+80%
AS-SSD Total
AS-SSD Total Score 		684 Pts 1,291 Pts Hugely stronger server IO.
+89%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		166 MB/s 372 MB/s Hugely faster peak deep queue mixed IO.
+124%
ADQ Read
Avg. 4K-64Thread Read Speed 		140 MB/s 349 MB/s Hugely faster deep queue read.
+149%
ADQ Write
Avg. 4K-64Thread Write Speed 		169 MB/s 299 MB/s Much faster deep queue write.
+77%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		95.7 MB/s 280 MB/s Hugely faster deep queue mixed IO.
+193%
Specifications 
Capacity
Capacity 		1TB 250GB
User Builds 
6
14,082
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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.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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  • - Drive tests include: read, write, sustained write and mixed IO
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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?
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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?
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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The Best
CPUGPUSSD
Intel Core i5-12600K $159Nvidia RTX 4060 $280WD Black SN850X M.2 2TB $135
Intel Core i5-13600K $210Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $75
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $370
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