Average Bench: 156% (146th of 1071)

Based on 162,275 user benchmarks.  Models: INTEL SSDPEKNW512G8, NVMe INTEL SSDPEKNW51

Outstanding average bench

The Intel 660p NVMe PCIe M.2 512GB averaged 55.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Intel 660p NVMe PCIe M.2 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 232MB/s
Avg. 4K-64Thread Write Speed 609MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Intel 660p NVMe PCIe M.2 512GB is 116%. This is a particularly wide range which indicates that the Intel 660p NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 303MB/s
Avg. 4K-64Thread Read Speed 326MB/s

Average Bench

(Based on 162,275 samples)
Min Avg Max
868 Read 1,253 1419
541 Write 845 935
473 Mixed 780 876
82.6 SusWrite 303 834
177% 795 MB/s
Min Avg Max
29.1 4K Read 48.9 60.7
29.1 4K Write 120 196
21.8 4K Mixed 60.6 80.7
215% 76.4 MB/s
Min Avg Max
303 DQ Read 326 336
47.2 DQ Write 609 850
70 DQ Mixed 232 343
243% 389 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
372GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 878 906 896 897 895 876 MB/s
Read 1,325
Write 938
Mixed 835
SusWrite 891
223% 997 MB/s
4K Read 54.3
4K Write 129
4K Mixed 68.9
239% 84 MB/s
DQ Read 329
DQ Write 749
DQ Mixed 222
260% 433 MB/s
104GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 109 301 56 18 9.9 70 MB/s
Read 1,215
Write 852
Mixed 790
SusWrite 94.1
164% 738 MB/s
4K Read 48.5
4K Write 131
4K Mixed 63.6
224% 81 MB/s
DQ Read 332
DQ Write 834
DQ Mixed 220
272% 462 MB/s
287GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 396 72 57 73 59 56 MB/s
Read 564
Write 598
Mixed 500
SusWrite 119
100% 446 MB/s
4K Read 23.8
4K Write 40.8
4K Mixed 30.3
96% 31.6 MB/s
DQ Read 292
DQ Write 215
DQ Mixed 207
167% 238 MB/s
162,275 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 63,161,146 SSDs tested.


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Typical 660p NVMe PCIe M.2 512GB Builds (Compare 487 builds) See popular component choices, score breakdowns and rankings.
Gaming 14%
Tree trunk
Desktop 60%
Workstation 13%
Tree trunk

System: Asus Zephyrus G GU502DU_GA502DU

EDIT WITH CUSTOM PC BUILDER Value: 46% - Average Total price: $68

Popular 660p NVMe PCIe M.2 512GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

UserBenchmark of the month

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) January 2023 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.


Added n/a ago.

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2 years ago.

Drive performs just fine for regular use. It is a bit slow on dealing with larger files (over 10GB)


2 years ago.

Very slow after slc is used up


14 months ago.

Works find on both laptop and desktop. Cheap, but have decent performance.1tb x 1tb can give you a top line experience.


19 months ago.

Great budgetary nvme drive ; it has been a massive increase in speed compared to the hdd i was using . Would recommend getting a 1 tb version as with the size of recent games , that is what you'll be needing .

1071 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 i5-13600K $320Nvidia RTX 3060-Ti $460Crucial MX500 250GB $30
Intel Core i3-12100F $98Nvidia RTX 3070 $568Samsung 850 Evo 120GB $106
Intel Core i5-12600K $233Nvidia RTX 3050 $298Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $50SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $49SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $417SanDisk Ultra Fit 32GB $16
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