Asus M2AVM/V M2A690G/DP Socket AM2 Motherboard With Athlon X2 4600 2.

M2a Socket. ASUS M2AVM HDMI Phenom FX SocketAM2+ uATX Motherboard [M2AVM] €36. 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe 3.0 x4 (Note 2) /x2 SSD support) (M2A_SOCKET) 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 PCIe 2.0 x4/x2 SSD support) (M2B_SOCKET) M.2 is a slot that can interface with SATA 3.0 (the cable that's probably connected to your desktop PC's storage drive right now), PCI Express 3.0 (the default interface for graphics cards and other major expansion devices), and even USB 3.0.

ASUS M2AVM Motherboard Based on AMD 690G (Socket AM2) Chipset
ASUS M2AVM Motherboard Based on AMD 690G (Socket AM2) Chipset from ixbtlabs.com

Potentially, it could supersede the whole aging Serial ATA format altogether So the M2A_SOCKET is dedicated and does not share with any PCIEX slot (like the M2B_SOCKET does in sharing bandwidth with the PCIEX4 slot) and works at full Gen 3 capacity (all 4 lanes)

ASUS M2AVM Motherboard Based on AMD 690G (Socket AM2) Chipset

So the M2A_SOCKET is dedicated and does not share with any PCIEX slot (like the M2B_SOCKET does in sharing bandwidth with the PCIEX4 slot) and works at full Gen 3 capacity (all 4 lanes) - 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen5x4 (128 Gb/s) mode But not all of the Intel boards support it Potentially, it could supersede the whole aging Serial ATA format altogether

M.2 connector, M2 socket Taiwantrade. 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe 3.0 x4 (Note 2) /x2 SSD support) (M2A_SOCKET) 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 PCIe 2.0 x4/x2 SSD support) (M2B_SOCKET) M.2 is a slot that can interface with SATA 3.0 (the cable that's probably connected to your desktop PC's storage drive right now), PCI Express 3.0 (the default interface for graphics cards and other major expansion devices), and even USB 3.0.

Gigabyte B450M DS3H V2 [15/41] M2a_socket m socket 3 connector. So ive built my own pc a while back and have been upgrading things slowly, when i decide to take a close look to see if i have an m.2 socket Potentially, it could supersede the whole aging Serial ATA format altogether