MSI X99A MPOWER Socket LGA2011-3 USB (Universal Serial Bus) 3.1 7.1-Channel HD Audio ATX Motherboard CPU Supports New Intel Core„¢ Processors for the Socket LGA2011-3 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 DIMMs 2133/2200*/2400*/2600*/2666*/2750*/3000*/3110*/3333* (OC) DRAM (128GB Max) Supports Quad-Channel mode Supports non-ECC, un-buffered memory Supports Intel Extreme Memory Profile (XMP) Slots 4x PCIe 3.0 x 16 slots (PCI_E1, 3, 5, 6), support up to 3-way mode 1-way mode: x 16/ x 0/ x 0/ x 0 2-way mode: x 16/ x 16/ x 0/ x 0*, 16/ x 8/ x 0/ x 0** 3-way mode: x 16/ x 16/ x 0/ x 8*, x 8/ x 8/ x 8/ x 0** 2x PCIe 2.0 x 1 slots (PCI_E2, 4) For the CPU that supports 40 PCIe lanes For the CPU that supports 28 PCIe lanes On-Board SATA Intel X99 Express Chipset 10x SATA 6 Gb/s ports (2x ports reserved for SATA Express port)* SATA1~6 support RAID 0, RAID 1, RAID 5 & RAID 10 SATA7~10 ports only support IDE mode & AHCI mode. Supports Intel Smart Response Technology (Windows 7/ 8/ 8.1) 1x SATA Express port* 1x M.2 port, supports M.2 SATA 6 Gb/s module* or M.2 PCIe module up to 32 Gb/s speed** M.2 port supports 4.2cm/ 6cm/ 8cm length module M.2 PCIe module does not support RAID 0, RAID1, RAID 5 & RAID 10. The SATA Express port/ SATA5~6 ports will be unavailable when installing the M.2 SATA interface module in the M.2 port. Intel RST does not support PCIe M.2 SSD with Legacy ROM. USB (Universal Serial Bus) Intel X99 Express Chipset 6 x USB (Universal Serial Bus) 3.0 ports (2 ports on the back panel, 4 ports available through the internal USB (Universal Serial Bus) connectors) 6 x USB (Universal Serial Bus) 2.0 ports (2 ports on the back panel, 4 ports available through the internal USB (Universal Serial Bus) connectors**) VIA VIA805 Chipset 4 x USB (Universal Serial Bus) 3.0 ports on the back panel ASMedia ASM1142 Chipset 2 x USB (Universal Serial Bus) 3.1 ports on the back panel Internal JUSB1 connector supports MSI Super Charger. Audio Realtek ALC1150 Codec 7.1-Channel High Definition Audio Supports S/PDIF output LAN 1x Intel I210-AT Gigabit LAN controller Multi-GPU Supports 3-Way AMD Cross Fire„¢ Technology* Supports 3-Way NVIDIA SLI„¢ Technology Supports Windows 7 & Windows 8/8.1. Internal I/O Connectors 1 x 24-pin ATX power connector 1 x 8-pin ATX 12V power connector 1 x 4-pin ATX 12V power connector 10 x SATA 6 Gb/s connectors 2 x USB (Universal Serial Bus) 2.0 connectors (supports additional 4 USB (Universal Serial Bus) 2.0 ports) 2 x USB (Universal Serial Bus) 3.0 connector (supports additional 4 USB (Universal Serial Bus) 3.0 ports) 2 x 4-pin CPU fan connectors 3 x 4-pin system fan connectors 1 x Clear CMOS jumper 1 x Front panel audio connector 2 x System panel connectors 1 x TPM module connector 1 x Chassis Intrusion connector 1 x GO2BIOS button 1 x Power button 1 x Reset button 2 x Base Clock control buttons 1 x OC Genie button 1 x Multi-BIOS switch 1 x OC Genie mode switch 1x Slow mode booting switch 1x Slow mode booting jumper 1 x 2-Digit Debug Code LED Back Panel I/O Ports 1 x PS/2 keyboard/mouse combo port 1 x Clear CMOS button 1 x Optical S/PDIF-out port 2 x USB (Universal Serial Bus) 2.0 ports 6 x USB (Universal Serial Bus) 3.0 ports 2 x USB (Universal Serial Bus) 3.1 ports 1 x RJ45 LAN jack 1 x 5 in 1 OFC audio jack BIOS The motherboard BIOS provides " Plug & Play" BIOS which detects the peripheral devices & expansion cards of the board automatically. The motherboard provides a Desktop Management Interface (DMI) function which records your motherboard specifications. Dimension 30.48cm (L) x 24.38cm (W) ATX Form Factor Mounting 9 mounting holes.