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MSI PRO X299 PRO LGA 2066 Intel X299 SATA 6Gb/s ATX Intel Motherboard

In stock. Limit 10 per customer.
Ships from United States.
  • CREATOR X299
  • X299 PRO
  • X299M-A PRO
  • Intel X299
  • Supports Intel Core X-series 10000/9000/78xx (above) processors for socket LGA2066
  • Supports DDR4 4200+(OC)/ 4000(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(OC)/ 3000(OC)/ 2933/ 2666/ 2400/ 2133 MHz

Learn more about the MSI X299 PRO

Brand MSI
Series PRO
Model X299 PRO
Supported CPU
CPU Socket Type LGA 2066
CPU Type Supports Intel Core X-series 10000/9000/78xx (above) processors for socket LGA2066
Chipset Intel X299
Onboard Video
Onboard Video Chipset None
Number of Memory Slots 8x288pin (DDR4)
Memory Standard Supports DDR4 4200+(OC)/ 4000(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(OC)/ 3000(OC)/ 2933/ 2666/ 2400/ 2133 MHz

* For the latest information about memory, please visit
Maximum Memory Supported 256GB
Channel Supported Quad Channel
Expansion Slots
PCI Express 3.0 x16 4 x PCIe 3.0 x16 slots
Support x16/x8/x16/x8 mode with the 48-lane CPU.
Support x16/x4/x16/x8 mode with the 44-lane CPU.
Support x16/x4/x8/x0 mode with the 28-lane CPU.
Storage Devices
SATA 6Gb/s 6 x SATA 6Gb/s ports
* The SATA1 connector will be unavailable when a SATA M.2 SSD has been installed in the M2_1 slot.
M.2 2 x M.2 slot (Key M)
Support up to PCIe 3.0 x4 and SATA 6Gb/s, 2242/2260/2280/22110 storage devices*

* The M2_2 default setting is CPU lane. However, when a PCIe expansion card is installed in the PCI_E2 slot, the M2_2 will be automatically switched to PCH lane.
* The SATA2 connector will be unavailable when M2_2 uses PCH lanes and a M.2 SATA SSD is installed in the M2_2 slot.
Intel Optane Ready Intel Optane Memory Ready*
* M2_2 supports Intel Optane Memory by switching to PCH lanes.
SATA RAID 0/1/5/10
Onboard Audio
Audio Chipset Realtek ALC1220
Audio Channels 7.1-Channel High Definition Audio
Supports S/PDIF output
Onboard LAN
LAN Chipset Realtek RTL8125-CG
Second LAN Chipset Intel I219V
* I219 LAN doesn't support G3 to S5 Wake
Max LAN Speed 10/100/1000/2500Mbps + 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 1 x Optical S/PDIF Out / 1 x PS/2 Keyboard/Mouse Combo / 1 x USB 3.2 Gen 2x2 Type-C / 2 x LAN (RJ45) / 4 x USB 2.0/1.1 / 4 x USB 3.2 Gen 1 Type-A / 5 x Audio Jacks
Internal I/O Connectors
Onboard USB 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
2 x USB 3.2 Gen1 connectors (supports additional 4 USB 3.2 Gen1 ports)
1 x USB 3.2 Gen2 Type-C port
Other Connectors 1 x 4-pin CPU fan connector
1 x 4-pin Water Pump connector
4 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
1 x Virtual RAID on CPU connector
1 x Thunderbolt Add-on Card Connector
Physical Spec
Form Factor ATX
Dimensions (W x L) 12.0" x 9.6"
Power Pin 1 x 24-pin ATX main power connector
2 x 8-pin ATX 12V power connectors
Features Supports Intel Core X-series Processors 10000/9000/78xx (above) series for LGA2066 Socket.

Supports DDR4 Memory, 8 DIMMs, Quad Channel Max Frequency DDR4-4200+(OC).

Lightning USB 20G: Powered by ASMedia ASM3242 USB 3.2 Gen2x2 controller, offers the fastest USB speeds with stability.

Twin Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs.

Set Core Power Free: Core Boost, 2x8-pin CPU power connector, Core Boost, DDR4 Boost.

Extended Heatsink Design: MSI extended PWM and enhanced circuit design ensures even high-end processors to run in full speed.

Dual LAN: Premium network solution included 1 x 2.5G LAN for professional and multimedia use. Delivers a secure, stable and fast network connection.

Audio Boost 4: Reward your ears with studio grade sound quality.

Multi-GPU: With Steel armor PCI-E slots. Supports 3-Way SLI / Crossfire.
Additional Information
Date First Available November 01, 2019

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