Samsung PM991a 256GB
(MZVLQ256HAJD)M.2 2230NVMe PCIe 3.0Read 2000 MB/sWrite 1000 MB/s250GBNVMe
HIGH
Samsung PM991a 256GB5 listings
SSD for Microsoft Surface Laptop Go (1943)
2020–2022
Form Factor: M.2 2230Interface: NVMe PCIe 3.0Max Capacity: 0.25TB
Upgradeable
Quick answer
The Microsoft Surface Laptop Go (1943) is matched with Samsung PM991a 256GB. Compatible storage type: M.2 2230 NVMe PCIe 3.0. Capacity guidance: up to 0.25TB. Before buying, confirm your exact model number, storage interface, physical size, and connector/keying. Listings are from eBay and Amazon and may change.
Compatible SSDs for the Microsoft Surface Laptop Go
Listings and prices are pulled from eBay and Amazon and may change. Always verify compatibility — confirm your exact model number, storage interface, physical size, and connector/keying — before purchase. Last checked July 23, 2026.
SSD Upgrade Guide for the Microsoft Surface Laptop Go
This device uses a M.2 2230 drive with a NVMe PCIe 3.0 interface. Maximum supported capacity is 0.25TB.
NVMe drives are significantly faster than SATA — if your device supports NVMe, always prefer it over a SATA SSD for the best performance.
Always power off your device and disconnect power before replacing storage.
Frequently Asked Questions
What SSD fits the Microsoft Surface Laptop Go (1943)?
The Microsoft Surface Laptop Go (1943) is matched with Samsung PM991a 256GB. It supports M.2 2230 NVMe PCIe 3.0. This device supports up to 0.25TB based on our records. Before buying, confirm your exact model number, storage interface, physical size, and connector/keying.
How do I verify SSD compatibility?
Verify your full model number against the device page, then confirm the physical form factor (M.2 2230), interface (NVMe PCIe 3.0), and M.2 keying if applicable. Compare against your existing drive or manufacturer specs before purchase.
Can I use NVMe if my device originally had SATA?
The Microsoft Surface Laptop Go (1943) is recorded as supporting NVMe storage (M.2 2230 NVMe PCIe 3.0). Installing an NVMe drive that matches the documented form factor and keying is appropriate when our data lists NVMe support.
Does physical size and keying matter?
Yes. M.2 drives vary by length (e.g. 2280) and keying (B-key, M-key, B+M). 2.5-inch and other form factors must match the bay or adapter your device accepts. The Microsoft Surface Laptop Go (1943) is documented as M.2 2230 NVMe PCIe 3.0 — a drive with the wrong size or key will not fit or work.
Are these listings live and current?
Listings and prices are pulled from eBay and Amazon and may change at any time. We refresh marketplace data regularly, but always verify the listing title, condition, and seller before purchase.