Average Bench: 160% (132nd of 1058)

Based on 170,945 user benchmarks.  Models: INTEL SSDPEKNW512G8, NVMe INTEL SSDPEKNW51

Outstanding average bench

The Intel 660p NVMe PCIe M.2 512GB averaged 59.6% 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 Random Read Speed 59.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Intel 660p NVMe PCIe M.2 512GB is 115%. 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 294MB/s
Avg. 4K-64Thread Read Speed 325MB/s

Average Bench

(Based on 170,945 samples)
Min Avg Max
742 Read 1,298 1,418
310 Write 829 937
105 Mixed 759 876
81.4 SusWrite 294 822
176% 795 MB/s
Min Avg Max
31.3 4K Read 59.9 61.1
15.4 4K Write 117 187
17.9 4K Mixed 59.4 79.7
229% 78.6 MB/s
Min Avg Max
311 DQ Read 325 336
16.3 DQ Write 598 851
28.9 DQ Mixed 232 343
241% 385 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
443GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 873 892 932 930 932 706 MB/s
Read 1,361
Write 931
Mixed 873
SusWrite 877
226% 1,011 MB/s
4K Read 57.3
4K Write 160
4K Mixed 74.6
267% 97.4 MB/s
DQ Read 327
DQ Write 846
DQ Mixed 221
274% 465 MB/s
447GB free
Firmware: 004C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 838 863 860 876 236 59 MB/s
Read 1,410
Write 910
Mixed 871
SusWrite 622
212% 953 MB/s
4K Read 60.4
4K Write 191
4K Mixed 80.2
295% 110 MB/s
DQ Read 328
DQ Write 835
DQ Mixed 339
328% 501 MB/s
370GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 880 895 157 165 110 59 MB/s
Read 1,385
Write 942
Mixed 885
SusWrite 378
200% 898 MB/s
4K Read 60.8
4K Write 171
4K Mixed 79.5
285% 104 MB/s
DQ Read 336
DQ Write 857
DQ Mixed 222
277% 472 MB/s
246GB free (System drive)
Firmware: 002C Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 349 54 92 58 58 57 MB/s
Read 1,368
Write 902
Mixed 872
SusWrite 111
180% 813 MB/s
4K Read 50.4
4K Write 107
4K Mixed 62.6
213% 73.4 MB/s
DQ Read 334
DQ Write 735
DQ Mixed 219
257% 429 MB/s
170,945 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 57,592,766 SSDs tested.


AmazonUS $5019 mins
EbayUS $682 mins
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Typical 660p NVMe PCIe M.2 512GB Builds (Compare 4,433 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 65%
Workstation 14%
Tree trunk

System: Asus Zephyrus G GU502DU_GA502DU

EDIT WITH CUSTOM PC BUILDER Value: 60% - Above average Total price: $50

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) August 2022 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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19 months 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


9 months ago.

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


13 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 .

1058 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 $270Nvidia RTX 3060-Ti $446Crucial MX500 250GB $42
Intel Core i5-12400F $160Nvidia RTX 3050 $292Samsung 850 Evo 120GB $106
Intel Core i7-12700K $378Nvidia RTX 3070 $536Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $62SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $453SanDisk Extreme 16GB $17
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