Features: brand new and high quality Maximize the performance, speed and performance of games, design, recording, streaming, web browsing, document editing, etc. anywhere. High performance and great reliability, durable replacement for the old or damaged one, no longer need to worry about not finding the right accessories. Boosted Memory Performance: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking . Comprehensive thermal design: Passive chipset heatsink, aluminum heatsinks . Built to strict quality control standards,design improved for more durability. Specifications: CPU Socket：Support for Intel LGA2011-3 Xeon USB interface: USB2.0 x 6, USB3.0 x 2 Sata interface: SATA3.0 x 2, SATAx4 Memory support: DDR4 x 4 Graphics card slot: 1 x PCI-E X16 Power interface：24pin Fan interface: 8pin with CPU: E5-2620 V3 Size: approx. 220x280mm/8.66x11.02in Package Includes: 1PC x X99 Motherboard note: 1、The platform needs powerful power. Please make sure your power supply is sufficient to support it(at least 500w power supply) . 2、Please allow 1-3mm differs due to manual measurement. 3、Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.