X99 LGA2011‑3 DDR4 Computer Desktop Motherboard Mainboard for X99 Chipset Features: If you use for i7 series processors, please do not use REG ECC at the same time because they are not compatible with each other. This platform requires a powerful power supply. Make sure your power supply is sufficient to support this platform.(At least 500w brand power supply) This product is made of premium PCB material, strong and reliable. All products are tested before shipment to ensure good performance. Support 4 DDR4 2133/2400/2800 memory, support 32GB maximum. Specification: Material: PCB Battery Model: CR2032 Application: Desktop Size: Approx. 220*280mm/8.66*11.02inch CPU Support: LGA2011-V3, for Core series: 6800k, 6850k, 6900k, 5820k, I7 38xx, i7 39xx, V1 16xx, V1 26xx, V1 46xx, V2 16xx, V2 26xx, V2 46xx, i7 58xx, i7 68xx, V3 16xx, V3 26xx, V3 46xx, V4 16xx, V4 26xx, V4 46xx, for Xeon Series: E5-V3/E5-V4 Serial Processor Chipset: For x99 Memory: Support 4 DDR4 2133/2400/2800, maximum support 32GB RAM: ECC/REG/non-ECC Hard disk: 8 SATA2.0 port and 1 SSD M.2 interface(supports PCIE and SATA modes) Motherboard Name: ZX_99EV3_V1.21 Audio Card Chip: For Realtek ALC662 5.1 channel audio code NIC Chip: For REALTEK 8106E/8111H 100Mbps/Gigabit Power connector: 1x8 pin, 1x24Pin BIOS: BIOS code settings Other Interface Socket: 1x for PS/2 interface, 4xUSB3.0 interface, 4xUSB2.0 interface, 2xPCI-E 16X interface, 3xPCI-E X interface, 1xAUDIO2 audio interface, 1xATXPWR interface, 1xPWR12V interface, 1xATX_CPU interface, 1xLAN interface, 1xWiFi interface Expansion Pin: 1xF_AUDIO pin, 1xFP_USB3 pin, 1xF_USB pin, 1xJ_AUIO_ON pin (auto power-on), 1xJCMOS pin, 1xDEBUG pin, 1xCOM pin Package List: 1 x Motherboard 1 x Cable 1 x Baffle Note: The color of the bottom plate of the slot may vary from batch to batch, product is continuously optimized and upgraded, so it will not affect the use of the product. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. The motherboard can not start and display the error code FF: 1. Check whether the CPU power supply is connected or connected incorrectly. 2. CPU itself has a failure or poor contact, you can first use an eraser to rub the metal points on the CPU (not the motherboard's CPU seat, is the CPU), to improve the contact, the memory of the gold finger can also be wiped to improve the contact. Memory connected to the outside of the slot (not near the CPU), such as more than one memory first connected to one.