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Questions tagged [m.2]

A form factor for solid state drives (SSD) without a shell like classic SSD's. Typically 22mm wide, and either 42mm, 60mm, or 80mm in length. Utilize either SATA or PCI Express BUS types.

A form factor for solid state drives (SSD) without a shell like classic SSD's; just a circuit board with NAND modules (may be single- or double-sided) and a controller chip. Typically 22mm wide, and either 42mm, 60mm, or 80mm in length. These utilize multiple BUS types, including SATA and PCI Express.

182 questions
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Connect a M.2 (B & M) key SSD into a B socket

I have bought a SSD with M.2 socket (B & M) key, but my computer just have a B key socket. My question is if I can connect the SSD in this B socket, and would it work correctly?
kimo pryvt
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Adaptor from NVMe M.2 SSD to SATA?

I am trying to upgrade the storage: The existing storage is a 256GB SSD, model Samsung PM871b M.2 2280, installed on an adaptor to SATA, and I guess it is Next Gen Form Factor. I purchased a 1TB SSD in NVMe M.2, model Samsung SSD 970 EVO Plus NVMe…
James
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Are external M.2 NGFF controllers compatible with M.2 NVMe drives?

Are there M.2 controllers, that do not support NVMe? I am trying to understand, if an external M.2 USB controller will work with the M.2 NVMe drives I have. The drive spec says "Supports M.2 (NGFF) drive of any capacity". Does that mean it is not…
Kjensen
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NVMe PCIe x4 SSD on M.2 PCIe x2 slot?

i'm about to get a new SSD for my PC, and before spending the money i have some doubts about my decision i would like to clarify First, my mobo is a B450 Aorus Pro Wifi, it has 2 M.2 slots, one of them full length (22110) compatible with PCIe 3.0 x4…
Confused Newbie
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What's the purpose of the 1x2 header on m.2 SSDs?

On some m.2 SSDs, there is an unpopulated spot for a header at the screw end of the drive (as opposed to the edge connector end of the drive). What is the purpose and the pinout for this header? See the pair of holes near where the screw is when…
Alexander M
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Motherboard UEFI doesn't detect M.2 SSD drive

I'm building a brand new PC with an ASUS PRIME Z370-A motherboard and a Samsung SSD 970 EVO NVMe M.2 250GB. However, my motherboard does not seem to be able to recognize the drive as the it neither shows up in UEFI nor in the Windows 10 Installer. I…
David Ferreira
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How do I make M.2 PCIe SSD drives non-removeable in Windows 10?

For the first time, I've built my own computer. I bought a M.2 SSD (specifically the ADATA XPG SX6000 M.2 2280 PCIe Gen3x2 SSD - 512GB) and slipped it into the Ultra M.2 slot on the back side of my motherboard (ASRock Fatal1ty X470…
Will Matheson
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Why not use PCI-E M.2 space as RAM?

The M.2 connector can use PCI-e 2.0 and 3.0 which can go up to 16 Gb/s (131,072 mb/s). Only the greatest and most expensive DDR4 can theorically surpass that speed. PCI-e 4.0 plan is to be 32 gb/s according to Wikipedia.. DDR4 data transfer…
King pin
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Is this B&M key SSD SATA or NVME?

I have a B&M key M.2 SSD which I want to use as an external storage device (via USB) but I'm not sure what technology it uses. My research online says that B&M key SSDs use SATA, but on the label of my SSD it says PCIe GEN3 NVME. Can anyone help?…
ElementalMP4
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Linux Debian-derived OS NVMe write speeds capped around 600 mb/s

Hello I have tried multiple Debian-derived Linux OS (Ubuntu and MX Linux) and all have resulted in the same thing. My Samsung 970 EVO+ M.2 write speeds are capped around 600~ , give or take 5%. I have tested on exactly 6 different M.2s all…
Andrew Shear
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Clarification regarding SATA vs NVMe on M.2 SSD drives

I have a question regarding SATA and NVMe SSD drives, on M.2 interface. Giving that they have the same hardware connector (that is, M.2), are they compatible from functional point if view? I mean, can I replace a M.2 SATA SSD with a M.2 NVMe SSD? Or…
bzamfir
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M.2. PCIe adapter with two M.2 SSDs only shows one

I have just finished my (first ever) server build. Everything seems to work ok. Except I only see one of the two NVMe M.2 SSDs that I installed via a PCIe adapter. (At least, it shows as 500 GB, rather than 1 TB.) Are the NVMe SSDs faulty? Or is…
3JL
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NVMe support - implicit or explicit?

After poring over available Z170 motherboards I have been become confused when it comes to NVMe compatibility. Can you please clarify if my assumptions are correct or wildly misguided. Consider motherboard X. It has an M.2 slot which supports "SSD…
CharlieHanson
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Will an M.2 M Key motherboard connector always support NVMe, or does NVMe support need to be explicitly stated in the manual?

Apologies this may be a basic question, but after much reading of sometimes contradictory information I wanted to check whether my understanding is correct. I'm upgrading a PC, and want to add M.2 storage as a boot drive. Most of the guidelines I've…
Andy Harvey
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What is the purpose of M.2 key M config pins?

I am designing a device that shall use PE on the PC via M.2 key M socket, and I cannot find info about how to connect it properly. In different sources I see different info regarding M.2 config pins (1, 21, 69 and 75). I found some docs over…
BUKTOP
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