The motherboard will be fully tested before delivery, and it will be shipped out after confirming that there is no problem, please rest assured to buyNotes:The package contains 1PCS motherboard + 1PCS processor + 2PCS memoryMotherboard is MACHINIST X99 MR9A ProProcessor is Intel Xeon E5 2690 V3The memory is 2PCS*8GB=16GB DDR4 2666MHz RAMPerformance parametersIntel Xeon E5-2690 v3 parametersSlot Type: LGA 2011-3Number of cores: twelve coresNumber of threads: twenty-four threadsCPU frequency: 2.6GHzThermal Design Power (TDP): 135WFeatures:Support SATA M.2 and NVME M.2, WIFI M.2Supports DDR4 ECC server memory and DDR4 desktop memory8-layer PCB backplane, 8-phase power supply, VRM does not need a radiator, overclocking will not heat100% Brand New High Quality!High compatibility brings a higher experience.All solid-state capacitors, fine workmanship, professional and stable.Specification:Brand: MechanicCondition: Brand NewCPU socket: LGA 2011-3Motherboard model: X99-MR9A-ProStructure: ATXChipset: Intel B85Memory slot: 4*DDR4 (four memory channels)Maximum memory supported: 4*32GB DDR4Supported memory types: The memory types support DDR4 desktop and server memory. (Please use Samsung, Kingston, SanDisk, Micron, Hynix and other international brands, other brands are not compatible)Ethernet port: 10/100/1000Mbps/sVideo output port: requires graphics card supportInterface: 1*RJ45/1*PS2/4*SATA2.0/2 *SATA3.0/6*USB2.0/2*USB3.0/2*PCI-E x16/1*PCI-E x1/1* PCI-E x4/1*NVME/NGFF M.2 interface;Motherboard size: 216MM*283MMMotherboard weight (including packaging): about 1.2kg.notes:1: The color of the slot bottom plate may vary from batch to batch, but it will not affect the use of the product. Products are continuously optimized and upgraded.2: Please allow 1-3mm difference due to manual measurement.3: Due to different monitors and different light, the pictures may not show the actual color of the goods. Thanks for your understanding.4: This floor plan requires a strong power supply. Make sure your power supply is sufficient for this scenario. (at least 500w brand power supply)5: The battery in the photo of the motherboard will be taken out before shipping, because China Post and Customs prohibit the use of batteries.For tax issues, please make sure you can solve the customs clearance problem by yourself, if you can't solve it, we do not recommend you to buy goods in our store. We are not responsible for customs duties. Thanks for your understanding.