PCIe Standards: What You Need to Know

4 Shared PCIe Slots: According to the specifications provided by PCI-SIG, there are 7 versions of PCI-E x1, x2, x4, x8, x12, x16 and x32

Unlike the much older ISA and PCI standards for card slots, the newer PCIe standard can be sized for efficient use of system resources, and is

pcie x16 expansion slot Not to be confused with PCI Express Although the Adaptec SCSI Card 29160 is a 64-bit PCI card, it also works in a 32-bit PCI slot

pcie x1 in x16 slot The different PCIe Express version support different data rates Max # of PCI Express Lanes A PCI Express motherboard, processor, chipset, power