M.2 SSD screws — the exact size for every board

M.2 NVMe SSD retention screw into the standoff post

M2 · 2-3mm (M2x3 most common) · confirmed · source

bundled mounting screw, position depends on 2242/2260/2280 standoff

M2 · 2-3mm · confirmed · source

small Phillips screws holding the heatsink cover down

M2 · 3-6mm · reported · source

M.2 Key A/E wireless card retention screw

M2 · 2-3mm · reported · source

internal M.2 SSD bracket and daughterboard screws

M2 · 3mm · reported · source

Wi-Fi card, M.2 SSD and fan bracket screws

M2 · 2-4mm · reported · source

secures the NVMe drive to the mainboard

M2 · ~3mm · confirmed · source

holds the SSD down under the base cover

M2 · ~3mm · confirmed · source

secures the shorter 2230 drive used in the Plus

M2 · ~2mm · confirmed · source

same small screw across most of the Latitude line

M2 · ~3mm · reported · source

SSD bracket plus the small drive heatsink cover

M2 · ~3mm · reported · source

holds the SSD to its tray inside the bottom cover

M2 · ~3mm · reported · source

tiny screw in the M.2 card slot

M2 · ~3mm · reported · source

primary and secondary NVMe drive brackets

M2 · ~3mm · reported · source

secures the SSD bracket under the service door

M2 · ~3mm · reported · source

locks the WLAN module into the M.2 slot

M2 · ~3mm · reported · source

holds the NVMe drive to the board tray

M2 · ~3mm · reported · source

standard SSD bracket screw on consumer models

M2 · ~3mm · reported · source

holds both the primary and secondary NVMe drives

M2 · ~3mm · reported · source

locks the WLAN module into the M.2 Key E slot

M2 · ~3mm · reported · source

holds the NVMe drive to its board standoff

M2 · ~3-4mm · reported · source

M.2 Key E Wi-Fi/Bluetooth card screw

M2 · ~3mm · reported · source

the usual small screw for compact desktop SSDs

M2 · ~3mm · reported · source

the standard screw into the raised M.2 standoff

M2 · 3mm · confirmed · source

slightly longer for full-length drives on taller standoffs

M2 · 4mm · reported · source

holds the board's own M.2 cooling cover down

M2 · ~3-4mm · reported · source

Holds the small metal cover over the SSD bay

M2 · 5-6mm · reported · source

Secures the SSD blade to the standoff inside the bay

M2 · 3-5mm · reported · source

Retains the single-sided 2230 SSD

M2 · 3mm · confirmed · source

M.2 2230 SSD retention screw

M2 · 3mm · reported · source

M.2 2230 bay uses the standard M2 x 3mm retention screw

M2 · 3mm · reported · source

Screw and spacer combo for the M.2 expansion bay

M2 · 3-4mm · reported · source

The standard M.2 retention screw is M2 x 3mm

M2 · 3mm · confirmed · source

Boards secure M.2 modules with M2 x 3mm (sometimes 2.5mm) screws

M2 · 2.5-3mm · confirmed · source

Same M2 retention standard for full-length modules

M2 · 2.5-3mm · reported · source

Small M2 screw retains the M.2 2230 SSD (community screw list). The back panel itself is held by six M2 x 16.5mm screws per ASUS service manual E22604, not 2-3mm screws.

M2 · 2-3mm · reported · source

M.2 SSD retention screw

M2 · 2.5mm · reported · source

M.2 SSD retention screw for solid-state storage module

M2 · 3mm · reported · source

SunbeamTech's M.2 screw guide states 'An M.2 screw is a small M2 x 3mm machine screw used to secure an M.2 SSD into its slot on a motherboard or expansion card.'

M2 · 3mm (also seen 2mm/2.5mm) · confirmed · source

Listing explicitly confirms 'M2 x 3mm M.2 SSD securing screws for HP ProBook and Dell Precision business laptops'

M2 · 3mm · confirmed · source

M2 x 3.0mm T5, 4.5mm head

M2 · 3.0mm · confirmed · source

M.2 SSD retention screw (1), WLAN module (2), WWAN module (2)

M2 · 2.0mm · confirmed · source

Razer support specifies M2.0 x 2.3mm (D5 head) for the bottom M.2 SSD slot

M2 · 2.3mm · confirmed · source

Service manual screw list/procedure for 'Removing the M.2 2230 solid-state drive' specifies M.2 single mounting screw sized M2 per Dell screw-size convention used across the manual's screw list page

M2 · M2x3 · likely · source

Lenovo Hardware Maintenance Manual (HMM) for L13/L13 Yoga Gen3 documents M.2 SSD and base-cover screws using Lenovo's standard M2 nomenclature in its FRU/screw torque tables

M2 · M2x3, M2x5 · likely · source

Official guide describes single retention screw for M.2 2280 NVMe SSD slot; Framework's published spare-parts screw kits for this generation use M2 metric thread

M2 · M2x3 · likely · source

ASUS service manual documents removal of single retention screw for M.2 2280 SSD; ASUS's screw-list nomenclature for this class of fastener is M2

M2 · M2x3 · likely · source

M.2 SSD retention screw

M2 · not stated · confirmed · Source: ThinkPad X1 Nano Gen 2 HMM

M.2 SSD retention screw

M2 · 2mm · confirmed · Source: HP EliteBook 830/836 G5 Maintenance and Service Guide

M.2 SSD retention (2)

M2 · 3mm · confirmed · Source: MSI MS-15F4 Service Guide

M.2 SSD retention screw ('m2x3' slot)

M2 · 3 mm · likely · source

M.2 2280 SSD thermal plate to system board

M2 · 3 mm · confirmed · source

M.2 2230 SSD thermal plate/holder

M2 · 3 mm · confirmed · source

M.2 2230 SSD retention (head OD 5 mm)

M2 · 2 mm · confirmed · source

M.2 2280 SSD retention (head OD 5 mm)

M2 · 2 mm · confirmed · source

M.2 SSD retention screw

M2 · 2.5mm · confirmed · source

PCI-SIG M.2 spec defines the module retention screw as M2

M2 · 2.0-4.2 mm by module thickness · high · source

SilverStone CA04 kit spec: "M.2 screws (M2 x 2.5mm)" — the screw that pins the SSD down

M2 · 2.5 mm · confirmed · source

BOSS S2 card M.2 SSD retention and card module screw (M3 x 0.5)

M3 · 4.5mm · confirmed · source

BOSS S2 controller card module and M.2 SSD retention screw securing SSD to BOSS S2 card carrier and Riser 1

M3 · 4.5mm · confirmed · source

SilverStone CA04 kit spec: "M.2 cylindrical screw nut (thick) (M3 x 2.5 + 6.1mm)" — the standoff the SSD screw threads into

M3 · 2.5 mm thread + 6.1 mm body · confirmed · source

Hardware installation guide lists M3 screws for drive and M.2 component installation

M3 · not specified · confirmed · source

smaller than the usual M2 standard on some XPS-class ultrabooks

M1.6 · 1.5-2mm · reported · source

Razer support specifies M1.6 x 2.1mm (D4.3 head) for the top M.2 SSD slot

M1.6 · 2.1mm · confirmed · source