Mainboard MSI X99A GAMING 9 ACK

CPU 

• Supports New Intel® Core™ i7 Processor Extreme Edition for LGA2011-3 Socket
Please refer to CPU Support for compatible CPU; the above description is for reference only.
 

Chipset

• Intel^® X99 Express Chipset
 

Main Memory

• Support eight DDR4 2133/2200(OC)/2400(OC)/2600(OC)/2666(OC)/2750(OC)/3000(OC)/3110(OC)/3333(OC) MHz DRAM, 128GB Max

- Quad channel memory architecture
- Supports non-ECC, un-buffered memory
- Supports RDIMM 1Rx8 memory module(Operates in non-ECC mode)
 

Slots

• 5 x PCIe 3.0 x16 slots, support up to 4-way mode

- 1-way mode: x16/ x0/ x0/ x0/ x0

- 2-way mode: x16/ x0/ x0/ x16/ x0*, 16/ x0/ x0/ x8/ x0**

- 3-way mode: x16/ x0/ x0/ x16/ x8*, x8/ x8/ x0/ x8/ x0**

- 4-way mode: x8/ x8/ x0/ x16/ x8*, x8/ x8/ x0/ x8/ x4**

* For the CPU that supports 40 PCIe lanes

** For the CPU that supports 28 PCIe lanes

Streaming Engine

• Supports H.264 hardware video/ audio encoding up to 1920x1080@ (24p/25p/30p)

Multi-GPU Support

• Supports 4-Way AMD® CrossFire™  Technology*
• Supports 4-Way NVIDIA® SLI™ Technology (For the CPU that supports 40 PCIe lanes)
• Supports 3-Way NVIDIA® SLI™ Technology (For the CPU that supports 28 PCIe lanes)
* Supports Windows 7 and Windows 8/ 8.1

Storage

• Intel X99 Express Chipset
• 10 x SATA 6Gb/s ports (2 ports reserved for SATA Express port)*
- SATA1~6 support RAID 0, RAID 1, RAID 5 and RAID 10
- SATA7~10 ports only support IDE mode and AHCI mode.
- Supports Intel® Smart Response Technology (Windows 7/ 8/ 8.1)

• 1 x SATA Express port*
• 1 x M.2 port, supports up to 32Gb/s speed**
- M.2 port supports 4.2cm/ 6cm/ 8cm length module
- M.2 PCIe interface does not support RAID 0, RAID1, RAID 5 and RAID 10.

* The SATA Express port or SATA5~6 ports will be unavailable when installing the M.2 SATA interface module in the M.2 port.
** Intel RST does not support M.2 PCIe interface module.

USB

• Intel® X99 Express Chipset

- 6x USB 3.0 ports (2 ports on the back panel, 4 ports available through the internal USB 3.0 connectors*)

- 6x USB 2.0 ports (2 ports on the back panel, 4 ports available through the internal USB 2.0 connectors)

• AsMedia ASM1142
- 2 x USB 3.1 ports on the back panel
 

• VIA VL805
- 4 x USB 3.0 ports on the back panel
* Internal JUSB3 connector supports MSI Super Charger.
 

Audio 

• Realtek^® ALC1150 Codec
- 7.1-Channel High Definition Audio
- Supports S/PDIF output

 
LAN 

• 1 x Killer E2205 Gigabit LAN controller*
*The Killer Network Manager is only available for Windows 7/ 8/ 8.1 currently. The supported drivers for other operating systems would be available on the website if provided by vender.

 
Wireless LAN 

• Killer Wireless 1525 module.

- Supports 2x2 802.11a/b/g/n/ac with advanced features
- Supports 20/ 40MHz at 2.4GHz and 20/ 40/ 80MHz at 5GHz.

Bluetooth 

• Killer Wireless 1525 module.
- Supports Bluetooth v4.1

 
Internal I/O Connectors
 

- 1 x 8-pin ATX 12V power connector

- 1 x 4-pin ATX 12V power connector

- 10 x SATA 6Gb/s connectors

- 1 x M.2 connector

- 1 x SATA Express connector

- 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)

- 2 x USB 3.0 connectors (supports additional 4 USB 3.0 ports)

- 2 x 4-pin CPU fan connectors

- 3 x 4-pin system fan connectors

- 1 x Front panel audio connector

- 2 x System panel connectors

- 1 x TPM module connector

- 1 x Chassis Intrusion connector

- 9 x V-Check connectorsts

- 1 x Clear CMOS jumper

- 1 x Power button

- 1 x Reset button

- 1 x OC Genie button

- 1 x Multi-BIOS switch

- 1 x OC Genie mode switch

- 1 x Audio power switch

- 1 x Slow mode booting switch

- 1 x 2-Digit Debug Code LED

- 1 x Wi-Fi/Bluetooth module connector

 
Back Panel I/O Ports

- 1 x PS/2 keyboard/ mouse combo port
- 2 x USB 2.0 ports
- 1 x Clear CMOS button
- 6 x USB 3.0 ports
- 2 x USB 3.1 ports
- 1 x LAN (RJ45) port
- 1 x Optical S/PDIF OUT connector
- 5 x OFC audio jacks

BIOS
 

• The motherboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically.
• The motherboard provides a Desktop Management Interface(DMI) function which records your motherboard specifications. 
 

Dimension
 

• 12 in. x 10.4 in. (30.5 cm x 26.4 cm) EATX Form Factor
 

Mounting

• 9 mounting holes.