M2 M Key Vs B Key

M 2 ssd의 b key 와 m key 정보입니다.

M2 m key vs b key.

Employing a more flexible physical specification the m 2 allows different module widths and lengths and paired with the. A b keying pins 12 19 gives pci express ssds up to 2x lanes of bandwidth while a m keying pins 59 66 provides pci express ssds with. M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors. M 2 cards with a b key interface can only fit into a b key host slot and likewise for m key.

Key 마다 각각 1 75핀 중 연결되는 핀이 있습니다. While a motherboard can incorporate a range of key m 2 socket options. Currently an m 2 ssd has either one of three key types. M 2 ssd 의 종류인 b key 와 m key 슬롯입니다.

As the key positions of b and m are slightly different the m. An m 2 ssd is keyed to prevent insertion of a card connector male to an incompatible socket female on the host. M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors. Ssd using the sata bus run at sata speeds regardless of form factor.

The b and m module can plug into a b or m socket but a b or m module can only plug into a matching b or m socket. Uses both of the above gaps with five pins on the left side of the card and six on the right. You will find the key type labeled on or near the edge connector or gold fingers.

Because of the physical design b m key cards are limited to pcie x2 speeds. The m 2 specification identifies 12 key ids on the module card and socket interface but m 2 ssds typically use three common keys. The pcie bus is faster than a sata bus and an m key ssd is faster than a b key ssd.

M 2 m key ssd s using the pcie bus are faster than m 2 b key ssd s using the pcie bus. B m or b m while a socket can only have one key.