Brand Name: MSI Type: Motherboard Chipset: Intel X299 ATX Form Factor Intel X299 Chipset LGA 2066 Socket 8 x DDR4-4500+ (OC) Memory Slots 8 x SATA III, 2 x M.2, 1 x U.2 4 x PCIe 3.0 x16 Slots 2 x PCIe 3.0 x1 Slots Realtek ALC1220 Audio USB 3.1 Type-C, USB 3.0, USB 2.0 NVIDIA SLI/AMD CrossFire Support One Year Warranty **SPECIFICATIONS** CPU Chipset: Intel X299 CPU Socket: LGA 2066 Back Panel: I/O USB 3 x USB 2.0 Type-A 4 x USB 3.1 Gen 1 Type-A 1 x USB 3.1 Gen 2 Type-A 1 x USB 3.1 Gen 2 Type-C Display: None Audio: 5 x 3.5 mm 1 x S/PDIF Ethernet / Controller: 1 x Intel I219V Gigabit PS/2: 1 x Combo Legacy: Not Specified by Manufacturer Wi-Fi Antenna: 2 x Connector Buttons: BIOS Flashback, Clear CMOS Memory Memory Slots: 8 x 288-Pin Memory Support: DDR4 2133, 2400, 2667, 2800, 2933, 3000, 3200, 3333, 3400, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4500 MHz Maximum Capacity: 128 GB Channel Architecture: Quad Channel Storage Expansion SATA: 8 x SATA III M.2: 1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4, SATA III) U.2: 1 RAID Support: RAID 0, 1, 5, 10 Internal I/O Expansion Slots. 4 x PCIe 3.0 x16 2 x PCIe 3.0 x1 USB 1 x USB 3.1 Gen 2 Header (Supports 1 USB Type-C Ports) 2 x USB 3.1 Gen 1 Header (Supports 4 USB Type-A Ports) 2 x USB 2.0 Header (Supports 4 USB Type-A Ports) Multi-GPU Support 2-Way 3-Way AMD CrossFireX 3-Way NVIDIA SLI Air Cooling: 1 x 4-Pin CPU 4 x 4-Pin System Liquid Cooling: 1 x 4-Pin Pump Power Connectors 1 x 24-Pin Mainboard 1 x 8-Pin CPU 1 x 4-Pin CPU Security: Chassis Intrusion, TPM Module LED Header: 1 x RGB Diagnostics: BIOS Selection, Clear CMOS, CPU Overclock, Power, Reset, Slow Mode Add-On: Not Specified by Manufacturer Legacy: Not Specified by Manufacturer Front Panel: I/O I/O Connection Headers: AAFP Audio Audio Codec: Realtek ALC1220 (8-Channel) Wireless Bluetooth Version: 4.2 Wi-Fi: 802.11a/b/g/n/ac Module Support: 1 E Key M.2 Physical Form Factor: ATX Dimensions: 12.0 x 9.6" / 30.5 x 24.4 cm Packaging Info Package Weight: 5.1 lb Box Dimensions (LxWxH): 13.6 x 10.7 x 3.6" Brand MSI SKU MS699EL1CGRT0NAFAMZ-218861 Model X299