Average Bench: 278% (41st of 1074)

Based on 3,082 user benchmarks.  Model: NVMe PM9A1 NVMe Samsung 512GB

Outstanding average bench

The Nvme PM9A1 Samsung 512GB averaged 177.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme PM9A1 Samsung 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 807MB/s
Avg. Sequential Write Speed 2,155MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme PM9A1 Samsung 512GB is 280%. This is a particularly wide range which indicates that the Nvme PM9A1 Samsung 512GB performs inconsistently under varying real world conditions.


Avg. 4K Random Write Speed 132MB/s
Avg. 4K-64Thread Write Speed 620MB/s

Average Bench

(Based on 3,082 samples)
Min Avg Max
960 Read 2,142 3,036
742 Write 2,155 3,769
780 Mixed 1,884 2,937
583 SusWrite 1,213 2,073
416% 1,849 MB/s
Min Avg Max
31.2 4K Read 62.5 86.9
39 4K Write 132 235
30 4K Mixed 80 127
267% 91.4 MB/s
Min Avg Max
233 DQ Read 961 1,638
135 DQ Write 620 1,412
244 DQ Mixed 807 1,539
597% 796 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
375GB free
Firmware: 36302029 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 2421 2401 2402 2317 654 665 MB/s
Read 2,534
Write 2394
Mixed 2,247
SusWrite 1,810
505% 2,246 MB/s
4K Read 69.6
4K Write 207
4K Mixed 108
354% 128 MB/s
DQ Read 1,731
DQ Write 1,370
DQ Mixed 1,534
1,153% 1,545 MB/s
322GB free (System drive)
Firmware: 36310229 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 2286 2286 2303 898 766 768 MB/s
Read 2,236
Write 2,328
Mixed 2,126
SusWrite 1,551
464% 2,060 MB/s
4K Read 54.3
4K Write 97.1
4K Mixed 68.4
221% 73.3 MB/s
DQ Read 1,020
DQ Write 450
DQ Mixed 884
616% 785 MB/s
3,082 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,944,963 SSDs tested

EDIT WITH CUSTOM PC BUILDER Value: 89% - Excellent Total price: $340

Popular PM9A1 Samsung 512GB systems:

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.

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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
Solid State Drive Rankings (Price vs Performance) May 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]


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.


1074 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-12600K $171Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-13600K $273Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i3-12100F $80Nvidia RTX 4070 $500Samsung 870 Evo 250GB $45
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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