The HP Z400 586766-002 is a workstation-grade motherboard designed for Intel Xeon 3500/5500 series processors with LGA1366 socket support. Featuring a robust chipset architecture, it supports triple-channel DDR3-1333 ECC memory across 6 DIMM slots with a maximum capacity of 24GB. The board includes 1 PCIe 2.0 x16 slot for professional graphics cards, along with 2 PCIe x4 (x8 mechanical) and 2 PCI slots for expansion. Storage conNECtivity consists of 6 SATA 3Gbps ports supporting RAID 0/1/5/10 configurations. Network capabilities are provided by an integrated Broadcom 5764 Gigabit Ethernet controller. The motherboard features 8 USB 2.0 ports (4 rear, 4 via headers) and includes legacy PS/2 keyboard/mouse conNECtors. Designed for professional workstation environments, it offers reliable performance with server-grade components and supports HP's proprietary power supply unit. The board measures 12x9.6 inches in ATX form factor and includes integrated audio via Realtek ALC262 codec.