Gigabyte GA-X99-UD4 Socket LGA 2011 2/4/5.1/7.1-channel Audio ATX Motherboard CPU Support for Intel Core i 7 processors in the LGA2011-3 package L3 cache varies with CPU (Please refer "CPU Support List" for more information.) Chipset Intel X99 Express Chipset Memory 8 x DDR4 DIMM sockets supporting up to 64 GB of system memory * Due to a Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than the size of the physical memory installed. 4 channel memory architecture Support for DDR4 2133/1866/1600/1333 MHz memory modules Support for non-ECC memory modules Support for Extreme Memory Profile (XMP) memory modules Support for RDIMM 1 Rx 8 memory modules (operate in non-ECC mode) (Please refer " Memory Support List" for more information.) Audio Realtek ALC1150 codec High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN Intel Gb E LAN chips (10/100/1000 Mbit) Expansion Slots 2 x PCI Express x 16 slots, running at x 16 (PCIE_1, PCIE_2) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIE_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIE_1 & PCIE_2 slots. 2 x PCI Express x 16 slots, running at x 8 (PCIE_3, PCIE_4) * The PCIE_4 slot shares bandwidth with the PCIE_1 slot. When the PCIE_4 slot is populated, the PCIE_1 slot will operate at up to x 8 mode. * When an i 7-5820K CPU is installed, the PCIE_2 slot operates at up to x 8 mode & the PCIE_3 operates at up to x 4 mode. (All PCI Express x 16 slots conform to PCI Express 3.0 standard.) & Scaron; 3 x PCI Express x 1 slots (The PCI Express x 1 slots conform to PCI Express 2.0 standard.) 1 x M.2 Socket 1 connector for the wireless communication module (M2_WIFI) Multi-Graphics Technology Support for 4-Way/3-Way/2-Way AMD Cross Fire/NVIDIA SLI technology * The 4-Way NVIDIA SLI™ configuration is not supported when an i 7-5820K CPU is installed. To set up a 3-Way SLI configuration, refer to "1-6 Setting up AMD Cross Fire™/NVIDIA SLI™ Configuration." Storage Interface Chipset: 1 x M.2 Socket 3 connector (M2_10G) 1 x SATA Express connector 6 x SATA 6 Gb/s connectors (SATA3 0~5) Support for RAID 0, RAID 1, RAID 5, & RAID 10 * Only AHCI mode is supported when an M.2 PCIe SSD or a SATA Express device is installed. (M2_10G, SATA Express, & SATA3 4/5 connectors can only be used one at a time. The SATA3 4/5 connectors will become unavailable when an M.2 SSD is installed in the M2_10G connector.) Chipset: 4 x SATA 6 Gb/s connectors (s SATA3 0~3), supporting IDE & AHCI modes only (An operating system installed on the SATA3 0~5 connectors cannot be used on the s SATA3 0~3 connectors.) USB (Universal Serial Bus) Chipset: 4 x USB (Universal Serial Bus) 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB (Universal Serial Bus) header) 8 x USB (Universal Serial Bus) 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB (Universal Serial Bus) headers) Chipset + Renesas u PD720210 USB (Universal Serial Bus) 3.0 Hub: 4 x USB (Universal Serial Bus) 3.0/2.0 ports on the back panel Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x PCIe power connector 1 x I/O shield audio LED power connector 1 x heatsink LED power connector 1 x M.2 Socket 3 connector 1 x SATA Express connector 10 x SATA 6 Gb/s connectors 1 x CPU fan header 1 x water cooling fan header (CPU_OPT) 3 x system fan headers 1 x front panel header 1 x front panel audio header 1 x USB (Universal Serial Bus) 3.0/2.0 header 2 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x Trusted Platform Module (TPM) header 1 x Thunderbolt add-in card connector 1 x Clear CMOS jumper Back Panel Connectors 1 x PS/2 keyboard port 1 x PS/2 mouse port 6 x USB (Universal Serial Bus) 3.0/2.0 ports 4 x USB (Universal Serial Bus) 2.0/1.1 ports 1 x RJ-45 port 1 x optical S/PDIF Out connector 5 x audio jacks (Center/ Subwoofer Speaker Out, Rear Speaker Out, Line In, Line Out, Mic In) 2 x Wi-Fi antenna connector holes I/O Controller i TE I/O Controller Chip H/W Monitoring System voltage detection CPU/ System/ Chipset temperature detection CPU/CPU OPT/ System fan speed detection CPU/ System/ Chipset overheating warning CPU/CPU OPT/ System fan fail warning CPU/CPU OPT/ System fan speed control * Whether the fan speed control function is supported will depend on the cooler you install. BIOS 2 x 128 Mbit flash Use of licensed AMI UEFI BIOS Support for Dual BIOS Support for Q-Flash Plus Pn P 1.0a, DMI 2.7, Wf M 2.0, SM BIOS 2.7, ACPI 5.0 Unique Features Support for APP Center * Available applications in APP Center may differ by motherboard model. Supported functions of each application may also differ depending on motherboard specifications. @BIOS Ambient LED Easy Tune EZ Setup Fast Boot Cloud Station ON/OFF Charge Smart Time Lock Smart Recovery 2 System Information Viewer USB (Universal Serial Bus) Blocker V-Tuner Support for Q-Flash Support for Smart Switch Support for Xpress Install Bundle Software Norton Internet Security (OEM version) Intel Smart Response Technology c Fos Speed Operating System Support for Windows 8.1/8/7 Form Factor ATX Form Factor; 30.5cm x 24.4cm