Gigabyte GA-990FX-Gaming AM3+ rev. 1.0 specs

AM3+ Socket
AMD AM3+ FX processor
AMD AM3 Phenom II processor / AMD Athlon II processor

5200 MT/s

North Bridge: AMD 990FX
South Bridge: AMD SB950

4 x DDR3 DIMM sockets supporting up to 32 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
Dual channel memory architecture
Support for DDR3 2000 (O.C.) / 1866/1600/1333/1066 MHz memory modules
* To support DDR3 1866 MHz (and above) memory, you must install an AM3+ CPU first
Support for Extreme Memory Profile (XMP) memory modules

Realtek ALC1150 codec
TI Burr Brown OPA2134 operational amplifier
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out

Rivet Networks Killer E2201 LAN chip (10/100/1000 Mbps)

2 x PCI Express x16 slots, running at x16 (PCIEX16_1/PCIEX16_2)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIEX16_1 and PCIEX16_2 slots
1 x PCI Express x16 slot, running at x4 (PCIEX4)
* The PCIEX4 slot shares bandwidth with the PCIEX1_3 slot. When PCIEX1_3 is populated with a PCI Express expansion card, the PCIEX4 slot will operate at up to x2 mode
3 x PCI Express x1 slots
(All of the PCI Express slots conform to PCI Express 2.0 standard)

Support for 2-Way AMD CrossFire and 2-Way NVIDIA SLI Technology

South Bridge:
1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe x4/x2/x1 SSD support)
6 x SATA III 6 Gb/s Connectors
Support for RAID 0, RAID 1, RAID 5, RAID 10, and JBOD
* Refer to "1-9 Internal Connectors" for the supported configurations with the M.2 and SATA connectors

South Bridge:
12 x USB 2.0/1.1 ports (6 ports on the back panel, 6 ports available through the internal USB headers)

VIA VL805 Chip:
4 x USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header)

ASMedia USB 3.1 Controller:
1 x USB Type-C port on the back panel, with USB 3.1 support
1 x USB 3.1 Type-A port (red) on the back panel

1 x 24-pin ATX Main Power Connector
1 x 8-pin ATX 12V Power Connector
1 x M.2 Socket 3 Connector
6 x SATA III 6 Gb/s Connectors
1 x CPU Fan Header
2 x System Fan Headers
1 x Power Fan Header
1 x Front Panel Header
1 x Front Panel Audio Header
1 x S/PDIF Out Header
1 x USB 3.0/2.0 Header
3 x USB 2.0/1.1 Headers
1 x Trusted Platform Module (TPM) Header
1 x Serial Port Header
1 x Clear CMOS Jumper
1 x Audio Gain Control Switch
1 x Power Button
1 x Reset Button
1 x Clear CMOS Button

1 x PS/2 Keyboard/Mouse Port
1 x USB Type-C port, with USB 3.1 support
1 x USB 3.1 Type-A port (red)
2 x USB 3.0/2.0 ports
6 x USB 2.0/1.1 ports
1 x RJ45 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)

iTE I/O Controller Chip

System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU/System fan speed control
* Whether the fan speed control function is supported will depend on the cooler you install

2 x 32 Mbit flash
Use of licensed AMI UEFI BIOS
Support for DualBIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Support for Windows 10, 8.1, and 7

ATX Form Factor; 12.0 x 9.6" / 30.5 x 24.4 cm