Msi X299 Sli Plus Motherboard

Intel^??Core? X-series Processors (6-core above CPU 78XX/79XX)

• 8 x DDR4 memory slots, support up to 128GB
• Quad channel memory architecture with the CPU that supports up to

4-channels DDR4

• X-series processor support DDR4 4133+(OC)/4000(OC)/

3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/

3200(OC)/3000(OC)/2933(OC)/2800(OC)/2667/2400/2133 MHz

Intel^??Core? X-series Processors (4 core CPU i7-7740X/i5-7640X)

• 4 x DDR4 memory slots, support up to 64GB
• Dual channel memory architecture with the CPU that supports up to 2-channels DDR4
  • X-series processor support DDR4 4500(OC)/4400(OC)/

4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/

3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200(OC)/3000(OC)/

2933(OC)/2800(OC)/2667/2400/2133 MHz

• Supports Intel^??Extreme Memory Profile (XMP)

• 4 x PCIe 3.0 x16 slots
  • Support x16/x16/x8 mode with the 44-lane CPU.
  • Support x16/x8/x4 modes with the 28-lane CPU.
  • Support x8/x8/x0, x8/x4/x4 modes with the 16-lane CPU.
• 2 x PCIe 3.0 x1 slots

• Supports NVIDIA^?SLI? Technology
• Supports AMD^?CrossFire? Technology

Intel^??X299 Chipset

• 8 x SATA 6Gb/s ports¹
• 2 x M.2 slot (Key M)¹
  • Supports up to PCIe 3.0 x4 and SATA 6Gb/s
  • M2_1 slot supports 2242/ 2260 /2280 storage devices
  • M2_2 slot supports 2242/ 2260 /2280/ 22110 storage devices
  • Supports Intel^??Optane? Memory Ready for all M.2 slots²
• 1 x U.2 port³
  • Supports PCIe 3.0 x4 NVMe storage
• Supports Intel^??Smart Response Technology for Intel Core? processors⁴

1. M.2 slots and SATA ports share the same bandwidth. Please refer to page 38 for U.2, M.2 & SATA combination table.
2. Please refer to user manual for Intel^??Optane? Memory Configuration.
3. PCI_E3 shares bandwidth with U2_1. If you install a PCI_E3 device, the U2_1 will be disabled.
4. The functions will be supported depend on the CPU.

Intel^??X299 Chipset

• Supports RAID 0, RAID1, RAID 5 and RAID 10 for SATA storage devices
• Supports RAID 0 and RAID1 for M.2 PCIe storage devices¹

1. M.2 PCIe RAID volume can be created with M.2/Optane Genie. Please refer to user manual for Creating a M.2 PCIe SSD RAID with M.2/Optane Genie.

Realtek^??ALC1220 Codec

• 7.1-Channel High Definition Audio
• Supports S/PDIF output

• 1 x Intel^??I219-V Gigabit LAN controller
• 1 x Intel^??I211 Gigabit LAN controller

• 1 x 24-pin ATX main power connector
• 1 x 8-pin ATX 12V power connector
• 8 x SATA 6Gb/s connectors
• 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
• 2 x USB 3.1 Gen1 connectors (supports additional 4 USB 3.1 Gen1 ports)
• 1 x USB 3.1 Gen2 Type-C port
• 1 x 4-pin CPU fan connector
• 1 x 4-pin Water Pump connector
• 4 x 4-pin system fan connectors
• 2 x Front panel connectors
• 1 x Front panel audio connector
• 1 x RGB LED connector
• 1 x TPM module connector
• 1 x Virtual RAID on CPU connector
• 1 x Thunderbolt add-on card connector

1. Clear CMOS Button
2. Keyboard / Mouse
3. USB 2.0
4. Dual Intel^??LAN
5. Golden Audio Connectors
6. Flash BIOS Button
7. USB 2.0 / Flash BIOS
8. USB 3.1 Gen1
9. USB 3.1 Gen2 Type-A/C
10. Optical S/PDIF-Out

• 12 in. x 9.6 in. (30.5 cm x 24.3 cm)
• ATX Form Factor