1. 100% new and high quality 2. High compatibility brings a higher experience. 3. This product uses high-quality materials, is durable, has a long service life, and is and stable in use. 4. All solid capacitors, fine workmanship, professional stability. 5. Easy installation: This product is easy to install, no additional tools are needed Product name: Desktop motherboard Model: X58 Chipset: AC5520 CPU architecture: LGA 1366 pin,Support for core and Xeon series server processors The reference CPU model is as follows:i7-990X,i7-980X,i7-960,i7-975,i7-950; Xeon: X5680, X5570, X5650, X5550, L5640 and other CPUs Number of memory slots: DDR3 * 2 Memory capacity: up to 8GB * 2 (16G), memory frequency 1066HMz/1333HMz/1600HMz Video card slot: PCI-E 16X PCI slot: PCI*1 On board network card: Realtek100Mbit network card chip; 10/100 Mbit adaptive Network card interface: 100M network card Onboard sound card: ALC662 SATA interface: SATA2.0*4 USB interface: USB 2.0*6 Number of power supply phases: 6-phase power supply Other interfaces: no Main board size: ATX 170x220mm Colour:black :PCB Different production batches, the appearance and color will be somewhat different, subject to the actual product, does not affect the use Package Contents: 1 x X58 computer motherboard 1 x Baffle 1 x SATA cable 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.