Main Specifications

The main specifications for the Gigabyte X99-UD3 include:

  • Socket: LGA2011-v3
  • Chipset: Intel X99
  • Super I/O: ITE IT8620E
  • Parallel ATA: none
  • Serial ATA: ten SATA-600 ports controlled by the chipset (RAID 0, 1, 10, and 5), supporting one SATA Express connector
  • External SATA: none
  • USB 2.0: eight USB 2.0 ports, four on the motherboard rear panel and four available through two headers on the motherboard
  • USB 3.0: eight USB 3.0 ports, six on the motherboard rear panel and two available through a header on the motherboard; four of the eight ports are controlled by the chipset by the way of a Renesas μPD720210 hub chip
  • FireWire (IEEE 1394): none
  • Thunderbolt: none
  • On-board video: no
  • On-board audio: produced by the chipset together with a Realtek ALC1150 codec (7.1+2 channels, 24-bit resolution, 192 kHz sampling rate, 115 dB SNR for the outputs, and 104 dB SNR for the inputs), on-board optical SPDIF output
  • On-board LAN: one Gigabit Ethernet ports, controlled by an Intel i218V chip
  • Wireless LAN: no
  • Buzzer: no
  • Infrared interface: no
  • Power supply required: EPS12V
  • Slots: four PCI Express 3.0/2.0 x16 slots (working at x16/x0/x16/x8 or x8/x8/x16/x8 with a 40-lane CPU and at x16/x0/x8/x0 or x8/x8/x8/x0 with a 28-lane processor), three PCI Express 2.0 x1 slots, one M.2 PCI Express x1 slot, and one M.2 PCI Express x2/SATA slot
  • Memory: four DDR4-DIMM sockets (up to DDR4-3000, 32 GiB maximum)
  • Fan connectors: two four-pin connectors for the CPU cooler, and two four-pin connectors for auxiliary fans
  • Extra features: support for TPM, dual BIOS
  • Number of CDs/DVDs provided: one
  • Programs included: motherboard utilities
  • More Information:
  • Average price in the U.S.*: USD 245.00

* Researched at on the day we published this article.


Rafael Otto Coelho is a physicist with a master’s degree in Education, and is a college professor in Brazil.