4 DIMM Slots supporting up to 8GB of
DDR2 400/533/667/800 Dual Channel Unbuffered Memory


2 Expansion slots for you: 1 x PCIE x16 slot & 1 x PCI


4 Phase-power in a SFF is a neat trick


BIOS chip and various chipsets onboard such as Audio


Hard Disk Cage Accessories


A few others in the bundle