M5A99X EVO
First on AMD 990X: UEFI BIOS & Digital Power Design on AM3+ Platform
Dual Intelligent Processors 2 with DIGI+ VRM - Digital Power Design: The New Standard
UEFI BIOS (EZ Mode) - Flexible & Easy BIOS Interface
Auto Tuning - Auto System Level Up
Quad USB 3.0 & 6 x SATA 6Gb/s Support - Double Access, Double Convenience
Quad-GPU SLI and Quad-GPU CrossFireX Support!

Specifications
CPU AMD AM3+ FX™/Phenom™ II/Athlon™ II/Sempron™ 100 Series Processors
Supports AM3+ 32 nm CPU
Supports CPU up to 8 cores
Supports CPU up to 140 W
AMD Cool "n" Quiet™ Technology
Chipset AMD 990X/SB950
Memory 4 x DIMM, Max. 32GB, DDR3 2133(O.C.)/1866/1600/1333/1066 MHz ECC, Non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
* Refer to www.asus.com or user manual for the Memory QVL (Qualified Vendors Lists).
* Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Install a 64-bit Windows® OS when you want to install 4GB or more memory on the motherboard.
* Due to CPU spec., AMD 100 series CPUs support up to DDR3 1066MHz. With ASUS design, this motherboard can support up to DDR3 1333MHz.
System Bus Up to 5.2 GT/s HyperTransport™ 3
Multi-GPU Support Supports NVIDIA® Quad-GPU SLI™ Technology
Supports AMD Quad-GPU CrossFireX™ Technology
Expansion Slots 2 x PCIe 2.0 x16 (x16 or dual x8)
1 x PCIe 2.0 x16 (x4 mode, black)
2 x PCIe 2.0 x1
1 x PCI
Storage AMD SB950 controller :
6 x SATA 6Gb/s port(s), gray
Support Raid 0, 1, 5, 10
JMicron® JMB362 controller :
2 x SATA 3Gb/s port(s), black
1 x Power eSATA 3Gb/s port(s), green
1 x eSATA 3Gb/s port(s), red
LAN Realtek® 8111E , 1 x Gigabit LAN Controller(s)
Audio Realtek® ALC892 8-Channel High Definition Audio CODEC
- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
Audio Feature :
- Absolute Pitch 192kHz/ 24-bit True BD Lossless Sound
- DTS Surround Sensation UltraPC
- ASUS Noise Filter
- Optical S/PDIF out port(s) at back panel
IEEE 1394 VIA® 6308P controller
2 x IEEE 1394a port(s)
(1 at mid-board, 1 at back panel)
USB Ports ASMedia® USB 3.0 controller :
4 x USB 3.0 port(s) (2 at back panel, blue, 2 at mid-board)
AMD SB950 controller :
14 x USB 2.0 port(s) (8 at back panel, black+red, 6 at mid-board)
Overclocking Features Overclocking Protection :
- ASUS C.P.R.(CPU Parameter Recall)
Special Features ASUS Dual Intelligent Processors 2 with DIGI+ VRM :
ASUS TPU :
- Auto Tuning
- TurboV
- TPU switch
ASUS EPU :
- EPU
- EPU switch
ASUS Digital Power Design :
- Industry leading Digital 6 +2 Phase Power Design
- ASUS DIGI+ VRM Utility
ASUS Exclusive Features :
- MemOK!
- AI Suite II
- Ai Charger+
- Front Panel USB 3.0 Support
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- USB 3.0 Boost
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-pipe solution
- ASUS Fan Xpert
ASUS EZ DIY :
- ASUS Q-Shield
- ASUS O.C. Profile
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS
ASUS Q-Design :
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector
Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s)
1 x eSATA 3Gb/s
1 x Power eSATA 3Gb/s
1 x IEEE 1394a
1 x LAN (RJ45) port(s)
2 x USB 3.0
8 x USB 2.0
1 x Optical S/PDIF out
6 x Audio jack(s)
Internal I/O Ports 1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s) (19-pin, blue)
3 x USB 2.0 connector(s) support(s) additional 6 USB 2.0 port(s)
1 x COM port(s) connector(s)
6 x SATA 6Gb/s connector(s)
2 x SATA 3Gb/s connector(s)
1 x IEEE 1394a connector(s)
1 x CPU Fan connector(s) (4 -pin)
3 x Chassis Fan connector(s) (1 x 4 -pin, 2 x 3 -pin)
1 x Power Fan connector(s) (1 x 3 -pin)
1 x S/PDIF out header(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) (Q-Connector)
1 x MemOK! button(s)
1 x TPU switch(es)
1 x EPU switch(es)
1 x Clear CMOS jumper(s)
Accessories User"s manual
I/O Shield
4 x SATA 6Gb/s cable(s)
1 x SLI bridge(s)
1 x Q-connector(s) (2 in 1)
BIOS 32 Mb Flash ROM, UEFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.6, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2
Manageability WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Support Disc Drivers
ASUS Utilities
ASUS Update
Anti-virus software (OEM version)
Form Factor ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )