Average Bench: 156% (155th of 1080)

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 BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
365GB free (System drive)
Firmware: 004C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 740 751 704 667 208 156 MB/s
Read 1,189
Write 779
Mixed 805
SusWrite 538
185% 828 MB/s
4K Read 47.4
4K Write 115
4K Mixed 64.2
215% 75.5 MB/s
DQ Read 327
DQ Write 711
DQ Mixed 338
309% 458 MB/s
349GB free (System drive)
Firmware: 002C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 854 850 430 95 126 165 MB/s
Read 1,332
Write 938
Mixed 862
SusWrite 420
198% 888 MB/s
4K Read 49.8
4K Write 106
4K Mixed 61.6
210% 72.4 MB/s
DQ Read 329
DQ Write 657
DQ Mixed 221
245% 402 MB/s
423GB free (System drive)
Firmware: 002C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 831 512 10 10 10 10 MB/s
Read 1,329
Write 915
Mixed 853
SusWrite 230
185% 832 MB/s
4K Read 43.6
4K Write 83.1
4K Mixed 53.8
179% 60.2 MB/s
DQ Read 332
DQ Write 496
DQ Mixed 218
220% 349 MB/s
363GB free (System drive)
Firmware: 002C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 680 686 726 153 165 53 MB/s
Read 1,017
Write 642
Mixed 637
SusWrite 410
151% 677 MB/s
4K Read 37.2
4K Write 71.7
4K Mixed 43.5
150% 50.8 MB/s
DQ Read 327
DQ Write 840
DQ Mixed 219
272% 462 MB/s
109GB free (System drive)
Firmware: 004C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 15 8.9 282 101 91 48 MB/s
Read 1,103
Write 716
Mixed 704
SusWrite 91.1
145% 653 MB/s
4K Read 39.9
4K Write 72.5
4K Mixed 47.3
160% 53.2 MB/s
DQ Read 336
DQ Write 208
DQ Mixed 340
235% 295 MB/s
71GB free (System drive)
Firmware: 002C Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 397 88 56 55 58 55 MB/s
Read 1,148
Write 891
Mixed 774
SusWrite 118
163% 733 MB/s
4K Read 40
4K Write 68
4K Mixed 32.8
139% 46.9 MB/s
DQ Read 316
DQ Write 399
DQ Mixed 221
205% 312 MB/s
162,275 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,391,292 SSDs tested


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Typical 660p NVMe PCIe M.2 512GB Builds (Compare 602 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: 54% - Above average Total price: $55

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

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Added n/a ago.

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3 years ago.

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


4 years ago.

Very slow after slc is used up


2 years ago.

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


3 years 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 .

1080 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

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