1. Support for Intel® Core™ X series processors in the LGA2066 package
2. L3 cache varies with CPU

1. Intel® X299 Express Chipset

1. 8 x DDR4 DIMM sockets supporting up to 128 GB of system memory.
   * Supported when using a 44-lane or 28-lane CPU (6-core or above).
2. 4 x DDR4 DIMM sockets supporting up to 64 GB of system memory.
   * Supported when using a 16-lane CPU (4-core).
3. 4 channel memory architecture.
   * Supported when using a 44-lane or 28-lane CPU (6-core or above).
4. Dual channel memory architecture.
   Supported when using a 16-lane CPU (4-core).
5. Support for DDR4 4400(O.C.) / 4333(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666(O.C.) / 2400 / 2133 MHz memory modules
6. Support for non-ECC Un-buffered DIMM memory modules
7. Support for Extreme Memory Profile (XMP) memory modules

1. Realtek® ALC1220 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for S/PDIF Out

1. Intel® GbE LAN chip (10/100/1000 Mbit)

1. 2 x PCI Express x16 slots, running at x16 (PCIEX16_1, PCIEX16_2)
2. 1 x PCI Express x16 slot, running at x8 (PCIEX8)
3. 2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)
   (All of the PCI Express slots conform to PCI Express 3.0 standard.)
   * Refer to "1-6 Setting up AMD CrossFire™/NVIDIA® SLI™ Configuration," for the installation notices for the PCI Express x16 slots.

X299 PCIE OPTIMAL PERFORMANCE TOOL
See your optimal configuration by checking all boxes below

MAINBOARD GIGABYTE X299 UD4 PRO