2 x Motherboard

is a slot that can interface with SATA , PCI Express

By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end,

pcie x16 expansion slot is a new form of connectivity that allows a SSD to connect directly to the PCI-E bus rather than going through a SATA controller By

pcie 30 x1 slot 2 drives and the official case once the fan is removed and, optionally, replaced with the active cooler The PCIe lane can be forced to v3 speeds but clock