The X299M-A Pro LGA 2066 Micro-ATX Motherboard from MSI is built on the Intel X299 chipset with an LGA 2066 socket designed for Intel Core X-series processors, specifically Core i7-7740X and i5-7640X processors only. It’s equipped with four DDR4 memory slots that support up to 64GB of 4400 MHz RAM. For storage, it has eight SATA III ports and two M.2 slots, both which also support Intel Optane Memory. The X299M-A Pro has three PCIe 3.0 x 16 slots for expansion cards as well as graphics cards. Due to their layout, this motherboard supports up to 2-way AMD CrossFireX or NVIDIA SLI. Other integrated features include Intel Gigabit LAN and Realtek ALC1220 7.1-channel high-definition audio.
Description
Additional information
| Weight | 2.85 lbs |
|---|---|
| Dimensions | 11.2 × 10.85 × 2.7 in |
| Chipset | Intel X299 |
| RAID Support | RAID 0, 1, 5, 10 (SATA)<br />RAID 0, 1 (M.2) |
| Audio Codec | Realtek ALC1220 (7.1-Channel) |
| I/O Connection Headers | USB 3.1 / USB 3.2 Gen 1 |
| Diagnostics | BIOS Selection, Clear CMOS, Power |
| LED Header | 1 x RGB |
| Security | Chassis Intrusion, TPM Module |
| Power Connectors | 1 x 24-Pin Mainboard<br />1 x 8-Pin CPU<br />1 x 6-Pin ATX |
| Liquid Cooling | 1 x 4-Pin Pump |
| Air Cooling | 1 x 4-Pin CPU<br />3 x 4-Pin System |
| Multi-GPU Support | 2-Way AMD CrossFireX<br />2-Way NVIDIA SLI |
| Expansion Slots | 3 x PCIe 3.0 x16 |
| U.2 | None |
| CPU Socket | LGA 2066 (R4) |
| M.2 | 1 x M Key 2242, 2260, 2280, 22110 (PCIe 3.0 x4, SATA III)<br />1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4, SATA III) |
| SATA | 8 x SATA III |
| ECC Support | Non-ECC Unbuffered |
| Channel Architecture | Quad Channel |
| Maximum Capacity | 64 GB |
| Memory Support | DDR4 2133, 2400, 2667, 2800, 2933, 3000, 3200, 3333, 3400, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4400 MHz |
| Memory Slots | 4 x 288-Pin |
| PS/2 | 2 x PS/2 |
| Ethernet / Controller | 1 x Intel I219-V |
| Display | None |
| USB | 2 x USB 2.0 Header (Supports 4 USB Type-A Port)<br />2 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port) |
| Form Factor | Micro-ATX |
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