Intel 660p Series M.2 2280 512GB PCIe 3.0 x4, NVMe 3D2 QLC Internal Solid State Drive (SSD) SSDPEKNW512G8X1

Name: Intel 660p Series M.2 2280 512GB PCIe 3.0 x4, NVMe 3D2 QLC Internal Solid State Drive (SSD) SSDPEKNW512G8X1
Brand: Unbranded
SKU: B07GBKQ9ST

Status: Intel 660p Series M.2 2280 512GB PCIe 3.0 x4 (512GB PCIe 3.0 NVMe SSD): Unavailable on Amazon as of 2026-10-03 16:19 UTC. Closest in-stock match (same 512GB PCIe 3.0 NVMe): Intel SSD 660p Series, $129.00 on Amazon as of 2026-10-07 04:24 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $129.00 🛒 Search eBay for this model

Bottom line: The Intel 660p Series M.2 2280 512GB PCIe 3.0 x4: 1500 MB/s sequential read, about 3x a SATA III SSD ceiling; main trade-off: QLC NAND trades endurance for capacity vs TLC drives.

Unavailable on Amazon as of 2026-10-03 16:19 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 512GB PCIe 3.0 NVMe: Intel SSD 660p Series — $129.00 on Amazon as of 2026-10-07 04:24 UTC (price may vary).

View Current Price — $129.00

Same 512GB PCIe 3.0 NVMe: Fikwot FX550 NVMe SSD 512GB M.2 SSD PCIe 3.0×4 — $79.99 on Amazon as of 2026-10-06 22:20 UTC (price may vary).

View Current Price — $79.99

Same 512GB PCIe 3.0 NVMe: MMOMENT MT34 512GB SSD PCIe Gen3X4 NVMe M.2 2280… — $79.19 on Amazon as of 2026-10-07 04:17 UTC (price may vary).

View Current Price — $79.19

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-03

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 1500 MB/s sequential read, about 3x a SATA III SSD ceiling
✓ PCIe NVMe 3.0 x4 interface, no SATA cable or bay needed
✓ M.2 2280 length fits most laptops and desktop boards

Cons

✗ QLC NAND trades endurance for capacity vs TLC drives
✗ 1000 MB/s writes lag faster PCIe 3.0 TLC competitors
✗ PCIe 3.0 only, leaves PCIe 4.0 board bandwidth unused
✗ 512GB fills fast with modern 100GB+ game installs

Manufacturer description

The Intel 660p 512GB NVMe SSD (SSDPEKNW512G8X1) is the drive you buy when you want to leave SATA behind without paying flagship prices. Over the PCIe NVMe 3.0 x4 interface it rates sequential reads up to 1500 MB/s and sequential writes up to 1000 MB/s, roughly three times what a SATA III SSD can deliver on the read side. That translates into faster Windows boots, shorter game level loads, and quicker project file opens on a single-slot laptop or a desktop with a spare M.2 socket. The M.2 2280 form factor is the industry standard length, so this Intel SSD drops into most modern notebooks…

SpecPicks Verdict

SpecPicks scored Intel 660p Series M.2 2280 512GB PCIe 3.0 x4 using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & storage category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Will the Intel 660p fit my laptop?

It uses the M.2 2280 form factor, the most common size in notebooks, desktops, and mobile devices. Confirm your machine has an M.2 slot that accepts 2280-length drives with an NVMe PCIe key.

How fast is the Intel 660p 512GB?

Intel rates it at up to 1500 MB/s sequential read and 1000 MB/s sequential write over the PCIe NVMe 3.0 x4 interface.

Is QLC NAND a problem for everyday use?

QLC stores four bits per cell for more capacity, which is how this 512GB drive achieves its value. It suits boot drives, game libraries, and general storage; heavy sustained-write workloads are better served by TLC.

Will this work in a PCIe 4.0 motherboard?

Yes. PCIe is backward compatible, so a PCIe 3.0 x4 drive runs in a PCIe 4.0 slot at its rated 1500 MB/s read ceiling rather than PCIe 4.0 speeds.

Is the Intel 660p faster than a SATA SSD?

Its 1500 MB/s rated sequential read is roughly triple the ~550 MB/s SATA III interface ceiling, because it connects over PCIe NVMe 3.0 x4 instead of SATA.

Key Features

512GB Storage Capacity
M2. 2280 Form Factor
PCIe NVMe 3.0 x4 Interface
1500 MB/s Sequential Read Speeds. 1000 Sequential Write Speeds. Intel QLC 3D NAND

Full Specifications

Brand	Intel
Model Name	660p Series
Read Speed	1500 megabytes_per_second
Form Factor	M.2 2280
Media Speed	1000 megabits_per_second
Model Number	SSDPEKNW512G8XT
Built-In Media	SSD, Warranty
Hard Disk Size	512 GB
Item Type Name	Intel SSD 660p Series (512GB, M.2 80mm PCIe 3.0 x4, 3D2, QLC)
Hard-Drive Size	512 GB
Mfr Part Number	978349
Number of Items	1
Special Feature	Portable
Hardware Platform	PC, laptop
Installation Type	Internal Hard Drive
Compatible Devices	This drive is compatible with servers and arrays that accept M.2 2280 PCIe drives
Data Transfer Rate	3938 gigabits_per_second
Enclosure Material	NAND flash memory
Additional Features	Portable
Hard Disk Interface	PCIE x 4

Ready to buy?

Amazon shows no buyable offer for Intel 660p Series M.2 2280 512GB PCIe 3.0 x4 at the last check. The closest in-stock match with the same 512GB PCIe 3.0 NVMe is Intel SSD 660p Series. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $129.00