Item Specifications:
Brand: MACHINIST;
Processor: Support Intel LGA 2011-3 pin series processor;
The X99 PR9 Motherboard may do not support i7-5820K and you will meet the issue of no display with this processor.
Southbridge : HM55/ chipset series;
Support M.2 NVME and SATA M.2
Processor compatibility: Intel Xeon Scalable, Intel Core
Usage Scenario: Gaming, Audio & Video, Office, Others
Onboard Connectors & Header: 24-pin Main Power Connector,CPU Fan Connector(s),AAFP Connector
Support USB Type: USB 2.0
SATA RAID: 0
Supports M.2 SSD: 2280
Number of M.2: 1
Number of SATA Ports: 3
Storage Interface Type: SATA(NGFF)/NVMe M.2
Number of PCIe 2.0 x 1: 1
Number of PCIe 3.0 x 16: 1
Number Of Memory Slots: 4
Support Memory Type: DDR4
Maximum Ram Capacity: 128 GB
Memory channel: Double channels
Form Factor: CeB
Form Factor: M-ATX
Chipset Manufacturer: Intel
With CPU: No
Chipset: Intel HM55 or other Intel 5 Series Chipset
Socket Type: LGA 2011-3
Brand Name: MACHINIST
Origin: Mainland China
Certification: RoHS, CE

Memory Description:
Technology: four-channel DDR4 2133/2400MHz;
Maximum capacity 128GB;
Memory slot :4 x DDR4 RAM;
Supported memory type:  The memory type supports DDR4 desktop and server memory.  (Please use Samsung, Kingston, Sandee, Micron,  Hynix, and other international brands, other brands may not be compatible);

Back I/O Ports:

1 x PS/2 keyboard/mouse port(s),

1 x LAN(RJ45) port(s),

6 x USB 2.0,

3 x Audio jack(s)

Internal Connector:

2 x USB 2.0 connectors,
1 x M.2 Socket (SATA/NVME M.2),
3 x SATA 3 Gb/s connectors,

2 x CPU Fan connectors (2 x 4 -pin),
1 x 5V MOS Fan connectors (1 x 2 -pin),
1 x Front audio out header,

1 x 8-pin ATX 12V Power connectors,
1 x 24-pin EATX Power connector,
1 x Front panel connector,

1 x Clear CMOS jumper (1 x 2 -pin),
1 x SPK header (1 x 4 -pin).

Physical Dimensions:
Size: 215*186mm; M-ATX
Motherboard weight: about 870g.

Package Included:
1Pcs x MACHINIST X99 PR9-H Motherboard,
1Pcs x I/O shield,
1Pcs x CPU cooling bracket,
1Pcs x SATA cable

Note:
(1) The color of the bottom plate of the slot may vary from batch to batch, but it will not affect the use of the product. The product is constantly optimized and upgraded.
(2) Please allow 1-3mm differences due to manual measurement.
(3) Due to the different displays and different lights, the picture may not show the actual color of the item. Thanks for your understanding.
(4) This platform needs a powerful power supply. please make sure your power supply can be enough to support this platform. (at least 500w brand power supply)
(5) The battery in motherboard photos is not included and will be removed before shipping, as this battery is forbidden according to the logistics requirements.