CPU socket: LGA 2011-3, compatible with Xeon V3 series and 7 series processors. Supports DDR4 memory with a maximum capacity of 128GB (4x 32G DDR4). Integrated 8111F Gigabit network card and ALC662 sound card for enhanced connectivity and audio quality. Multiple expansion slots including 1x PCIE X16 and 1x PCI-E X1 for versatile hardware upgrades. Power supply mode: 6+2 phase, ensuring stable power delivery for high-performance components. Product name: X99 computer motherboard Model: X99H-DDR4 Main chipset: for H81/B85 (random) Memory Type: DDR4 2400/2133MHz RAM Memory slots: 4x DDR4 Supported memory types: non-ecc / reg ecc / ecc (Server memory cannot be used with desktop memory, there is a compatibility issue.) Expansion Slots: 2*USB2.0 slot (1 group), 2*USB3.0 interface (1 group), 1*SATA3.0, 2*SATA2.0 interface, 1*M.2 PCI-E/ convertible mode NVME high-speed hard disk interface I/O interface: 1*PS/2 keyboard and mouse general interface, 1*RJ45 network interface, 6*USB2.0 interface, 2*USB3.0 interface, 1*Three-hole audio interface Power socket: 1*8-pin (when only 4-pin is connected to the main power port of the board), 1*24-pin power interface Product size: 214x186mm Color: Black Material: PCB Package Contents: 1*Motherboard 1*E5 2673 V3 CPU 1* Cable(Color random) 1*Switch Cable 1*Baffle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.