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Netac
SamsungMZ-77E500B
▲ 500 ▼
  

Release date ≈ Q3 2015.

VS
▲ 58142 ▼

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

Effective Speed 
+46%
Real World Speed
Performance profile from 60,858 user samples
Benchmark your SSD here
7 User Benchmarks
Best Bench: 87% 170GB free (System drive)
Worst Bench: 55% 103GB free (System drive)
Poor: 55% Great: 87%
SPEED RANK: 655th / 1079
60,851 User Benchmarks
Best Bench: 130% 466GB free
Worst Bench: 73% 294GB free (System drive)
Poor: 73% Great: 130%
SPEED RANK: 249th / 1079
Effective Speed
Effective SSD Speed 		71.2 % 104 % Much faster effective speed.
+46%
Average Score 
+54%
Read
Avg. Sequential Read Speed 		467 MB/s +0% 466 MB/s
Write
Avg. Sequential Write Speed 		297 MB/s 407 MB/s Much faster write speed.
+37%
4K Read
Avg. 4K Random Read Speed 		20.8 MB/s 36.4 MB/s Much faster random read.
+75%
4K Write
Avg. 4K Random Write Speed 		73.5 MB/s 81.9 MB/s Faster random write.
+11%
Mixed
Avg. Sequential Mixed IO Speed 		322 MB/s 379 MB/s Faster mixed IO speed.
+18%
4K Mixed
Avg. 4K Random Mixed IO Speed 		17.6 MB/s 46.7 MB/s Hugely faster random mixed IO.
+165%
SusWrite
Avg. Sustained Write Speed 		205 MB/s 351 MB/s Much faster sustained write speed.
+71%
Peak Score 
+51%
Read
Peak Sequential Read Speed 		520 MB/s +1% 516 MB/s
Write
Peak Sequential Write Speed 		314 MB/s 492 MB/s Much faster peak write speed.
+57%
4K Read
Peak 4K Random Read Speed 		24.8 MB/s 48.4 MB/s Hugely faster peak random read.
+95%
4K Write
Peak 4K Random Write Speed 		99.6 MB/s 122 MB/s Faster peak random write.
+22%
Mixed
Peak Sequential Mixed IO Speed 		386 MB/s 460 MB/s Faster peak mixed IO speed.
+19%
4K Mixed
Peak 4K Random Mixed IO Speed 		32.2 MB/s 65.4 MB/s Hugely faster peak random mixed IO.
+103%
SusWrite
Peak Sequential Sustained Write 60s Average 		277 MB/s 451 MB/s Much faster peak sustained write speed.
+63%
Value & Sentiment 
+∞%
Market Share
Based on 76,167,522 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.4 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 58 % More popular.
+16%
Nice To Haves 
+252%
Age
Newest 		105+ Months 40+ Months Much more recent.
+62%
DQ Read
Peak 4K-64Thread Read Speed 		325 MB/s 389 MB/s Faster peak deep queue read.
+20%
DQ Write
Peak 4K-64Thread Write Speed 		300 MB/s 363 MB/s Faster peak deep queue write.
+21%
AS-SSD Total
AS-SSD Total Score 		1,036 Pts 1,291 Pts Stronger server IO.
+25%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		55.2 MB/s 373 MB/s Hugely faster peak deep queue mixed IO.
+576%
ADQ Read
Avg. 4K-64Thread Read Speed 		249 MB/s 352 MB/s Much faster deep queue read.
+41%
ADQ Write
Avg. 4K-64Thread Write Speed 		167 MB/s 301 MB/s Hugely faster deep queue write.
+80%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		22.9 MB/s 295 MB/s Insanely faster deep queue mixed IO.
+1,188%
Specifications 
Capacity
Capacity 		240GB 500GB
User Builds 
7
60,851
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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]

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  • 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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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
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What’s the difference between SATA, PCIe and NVMe?
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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?
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The Best
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