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SamsungMZ-77E500B
Kbg40zns128g
▲ 58141 ▼

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

VS
▲ 500 ▼
  

Release date ≈ Q1 2020.

Effective Speed 
+24%
Real World Speed
Performance profile from 61,691 user samples
Benchmark your SSD here
60,851 User Benchmarks
Best Bench: 130% 466GB free
Worst Bench: 73% 294GB free (System drive)
Poor: 73% Great: 130%
SPEED RANK: 241st / 1071
840 User Benchmarks
Best Bench: 201% 32GB free
Worst Bench: 68% 25GB free (System drive)
Poor: 68% Great: 201%
SPEED RANK: 179th / 1071
Effective Speed
Effective SSD Speed 		104 % 129 % Faster effective speed.
+24%
Average Score 
+26%
Read
Avg. Sequential Read Speed 		466 MB/s 875 MB/s Hugely faster read speed.
+88%
Write
Avg. Sequential Write Speed 		407 MB/s 509 MB/s Faster write speed.
+25%
4K Read
Avg. 4K Random Read Speed 		36.4 MB/s 46.7 MB/s Faster random read.
+28%
4K Write
Avg. 4K Random Write Speed 		81.9 MB/s 89.6 MB/s Slightly faster random write.
+9%
Mixed
Avg. Sequential Mixed IO Speed 		379 MB/s 561 MB/s Much faster mixed IO speed.
+48%
4K Mixed
Avg. 4K Random Mixed IO Speed 		46.7 MB/s 49.7 MB/s Slightly faster random mixed IO.
+6%
SusWrite
Avg. Sustained Write Speed 		351 MB/s Faster sustained write speed.
+21% 		290 MB/s
Peak Score 
+58%
Read
Peak Sequential Read Speed 		516 MB/s 1442 MB/s Hugely faster peak read speed.
+179%
Write
Peak Sequential Write Speed 		492 MB/s 806 MB/s Much faster peak write speed.
+64%
4K Read
Peak 4K Random Read Speed 		48.4 MB/s 60 MB/s Faster peak random read.
+24%
4K Write
Peak 4K Random Write Speed 		122 MB/s 172 MB/s Much faster peak random write.
+41%
Mixed
Peak Sequential Mixed IO Speed 		460 MB/s 852 MB/s Hugely faster peak mixed IO speed.
+85%
4K Mixed
Peak 4K Random Mixed IO Speed 		65.4 MB/s 78 MB/s Faster peak random mixed IO.
+19%
SusWrite
Peak Sequential Sustained Write 60s Average 		451 MB/s Slightly faster peak sustained write speed.
+10% 		410 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 75,630,610 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.46 % Insanely higher market share.
+∞% 		0 %
User Rating
UBM User Rating 		58 % More popular.
+16% 		50 %
Nice To Haves 
+52%
Age
Newest 		38+ Months More recent.
+25% 		51+ Months
DQ Read
Peak 4K-64Thread Read Speed 		389 MB/s 844 MB/s Hugely faster peak deep queue read.
+117%
DQ Write
Peak 4K-64Thread Write Speed 		363 MB/s 687 MB/s Hugely faster peak deep queue write.
+89%
AS-SSD Total
AS-SSD Total Score 		1,291 Pts 2,510 Pts Hugely stronger server IO.
+94%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		373 MB/s 484 MB/s Faster peak deep queue mixed IO.
+30%
ADQ Read
Avg. 4K-64Thread Read Speed 		352 MB/s 578 MB/s Much faster deep queue read.
+64%
ADQ Write
Avg. 4K-64Thread Write Speed 		301 MB/s 370 MB/s Faster deep queue write.
+23%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		295 MB/s 359 MB/s Faster deep queue mixed IO.
+22%
Specifications 
Capacity
Capacity 		500GB 128GB
User Builds 
60,851
840
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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Solid State Drive Rankings (Price vs Performance) April 2024 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 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.

UserBenchmark of the month

Gaming Desktop ProGaming

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

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?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $131Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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