Which Slot Should You Use?

Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

Which Slot Should You Use? 2: one with a B key and one with a M key to PCI-E x4 adapter that can take multiple lengths of drives socket types B+M keyed

Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

m24 slot Two types of M2 SSD

CONSISTENT M2 SSD is a fashioned like a stick of gum form factor for SSDs These SSDs are often faster than standard SSDs,

m2 pcie slot Yes that's the confusion! I read that manual and when I spoke to customer support, they said second slot is also Gen 4 Maybe they are

Unlike mSATA, SSD cards have two types of connectors, also known as sockets: B key sockets and M key sockets A single card can also have both key types