Product	ASUS PRIME X299-A II - ATX - Intel® X299 Chipset - 8x SATA3 6Gb/s - 3x M.2
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Main Specifications
Product Type	Desktop Board
CPU Socket	Socket LGA2066
North Bridge	Intel® X299
Form Factor	ATX
Detailed Specifications
Supported Processor	Intel® Socket 2066 Core™ X-Series Processors
Memory Technology	DDR4 Un-buffered Non-ECC
Memory Speed	4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3800(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2933/2800/2666/2400/2133 MHz
Memory Slots	8x 288-pin DIMM sockets
Max Memory Support	256 GB
Expansion Slots	48-Lane CPU- 3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8), 2 x PCIe 3.0/2.0 x1 44-Lane CPU- 3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8), 2 x PCIe 3.0/2.0 x1 28-Lane CPU- 2 x PCIe 3.0/2.0 x16 (x16, x16/x8), 2 x PCIe 3.0/2.0 x1
Multi-GPU Support	Supports NVIDIA® Quad-GPU SLI™ Technology Supports NVIDIA® 3-Way SLI™ Technology Supports NVIDIA® 2-Way SLI™ Technology Supports AMD Quad-GPU CrossFireX™ Technology Supports AMD 3-Way CrossFireX™ Technology
Network Controller(s)	Intel® I219V, 1 x Gigabit LAN ASUS Turbo LAN Utility ASUS LAN Guard
Sound Controller	Realtek® S1220A 8-Channel High Definition Audio CODEC - Power pre-regulator reduces power input noise to ensure consistent performance - Impedance sense for front and rear headphone outputs - Internal audio Amplifier to enhance the highest quality sound for headphone and speakers - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
Back-panel Interfaces	1x PS/2 keyboard/mouse combo port 1x LAN (RJ45) port 4x USB 3.2 Gen 1 2x USB 2.0 (one port can be switched to USB BIOS FlashBack™) 1x Optical S/PDIF out 5x Audio jacks 1x USB BIOS FlashBack™ Button 2x USB 3.2 Gen 2 (up to 10Gbps) ports (Type-A + USB Type-CTM)
On-Board Interfaces	1x AAFP connector 2x Aura RGB Strip Headers 1x Addressable Gen 2 header 1x USB 3.2 Gen 1 front panel TypeC™ connector 2x USB 3.2 Gen 1(up to 5Gbps) connectors support additional 4 USB 3.2 Gen 1 ports 2x USB 2.0 connectors support additional 4 USB 2.0 ports 1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 2x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode) 1x COM port connector 8x SATA 6Gb/s connectors 1x M.2_FAN connector 1x VROC_HW_Key 1x CPU Fan connector 1x CPU OPT Fan connector 2x Chassis Fan connectors 1x W_PUMP+ connector 1x AIO_PUMP connector 1x Thunderbolt header (5-pin) for ASUS ThunderboltEX series support 1x 24-pin EATX Power connector 2x 8-pin EATX 12V Power connectors 1x Front panel audio connector (AAFP) 1x System panel (Q-Connector) (Chassis intrusion header is inbuilt) 1x Thermal sensor connector
S/PDIF	Optical S/PDIF out port at back panel
PCI Express M.2	1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 2 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
USB Ports	ASMedia® USB 3.2 Gen 2 controller: 1 x USB 3.2 Gen 2 front panel connector port ASMedia® USB 3.2 Gen 2 controller: 2 x USB 3.2 Gen 2 (up to 10Gbps) ports (2 at back panel, Type-A + USB Type-CTM) Intel® X299 Chipset: 8 x USB 3.2 Gen 1 ports (4 at back panel, 4 at mid-board)
USB 2.0 Ports	Intel® X299 Chipset: 6 x USB 2.0 ports (2 at back panel, 4 at mid-board)
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