Features:
Support SATA 3.0,  NVME/SATA M.2
Supports DDR3 RAM, dual-channel
Intelligent CPU Fan Control Function
Chipset: Intel H87
Overclocking: Not supported
RAID: Not supported
M. 2 mode switching: Supported, default is NVME M.2
Startup shortcut key: F11
You can start up without installing a graphics card, but you cannot access the system
Video output port: requires graphics card support
Support Memory Type: DDR3 / DDR3 ECC/ DDR3 RECC
Maximum Ram Capacity: 128GB=4x32GB
Storage Interface Type: SATA 2.0,SATA 3, M.2 (NVMe/SATA)
6-phase power supply, VRM does not need a radiator, overclocking will not heat
All solid-state capacitors, fine workmanship, professional and stable.

Item Specification:
Brand: Machinist
Condition: Brand New
CPU socket: LGA 2011-3
Chip: H87
Motherboard model: X99 PR8
Network Card Model: ALC8111H Gigabit
Sound Card Model: ALC897 5.1 channel
M. 2 Mode Switching: Supported, and factory default is NVME M.2;
Startup shortcut key: F11
Technology: Dual channel DDR3 memory, The motherboard supports only these processors LGA 2011-3 pin CPU,2649 V3,2669 V3,2666 V3,2673 V3,2676 V3,2678 V3,2696 V3
Supported memory types: Supports DDR3 desktop memory and server memory. (Please use Samsung, Kingston, Sandy, Micron, Hynix, and other international brands, other brands may not be compatible);
Supports SATA M.2,NVME M.2(PCIe 3.0 x4, maximum read/write speed: 3600M/S), sata 2.5-inch SSDS, and sata 3.5-inch mechanical disks
Memory slot: 4*DDR3 (Dual channels)
Maximum memory supported: 128GB = 4*32GB DDR3
Supported memory types: The memory types support Desktop DDR3, Server DDR3 ECC, and DDR3 RECC. (Please use Samsung, Kingston, SanDisk, Micron, Hynix, and other international brands, other brands are not compatible)
Supported hard drives: SATA M.2, NVME M.2 (PCIe 3.0 x4, maximum read and write speed 3600M/S), SATA 2.5-inch solid-state drive, Sata 3.5-inch mechanical hard drive
Interface: 1*RJ45/2*PS2/3 *SATA3.0/7*USB2.0/3*USB3.0/1*PCI-E 3.0 x16/1*PCI-E 3.0 x1/ /1*NVME/SATA M.2 interface;
Motherboard size: 215*190mm, M-ATX
Motherboard weight (including packaging): about 920g.
The CPU is powered by 6 phases, strictly speaking, it is powered by 3 times the phase. The PWM controller is uP1649Q, and the multiplier is uP1961S. The MOS transistor is one up and one down, with the upper transistor being SM4377 and the lower transistor being 4522NH
Ethernet port: 10/100/1000Mbps/s
Application: Desktop, Server, Workstation, Mining
Usage Scenario: Enthusiast, Gaming, Audio & Video, Household, Office, Design, Video Production, Server, Others

Packing list:
1 x X99 PR8 Mainboard X99 LGA 2011-3 Motherboard
1 x CPU Cooling Bracket
1 x I/O Shield
1 x Sata Cable

Tips! - We don't have the User Manual & Driver in the packing box, But we have PDF versions of them, if you need them, please let us know, and we can send them to you via email. If you mind of those, please don't purchase., thank you for your understanding and time.

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 a 1-3mm difference due to manual measurement.
3: Due to different monitors and different lights, 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 550w 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.