Below are the technical specifications concerning the PRIME X299-A:
CPU
Support for Intel® Core™ X series processors in the LGA2066 package
L3 cache varies with CPU
Intel® X299 Express Chipset
MEMORY
8 x DDR4 DIMM sockets supporting up to 128 GB of system memory. (6-Core + Above).
4 x DDR4 DIMM sockets supporting up to 64 GB of system memory. (4-Core).
4 channel memory architecture.
Support for DDR4 4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz memory modules
Support for non-ECC Un-buffered DIMM memory modules
Support for Extreme Memory Profile (XMP) memory modules
AUDIO
Realtek® ALC1220 codec
High Definition Audio 8-channel
Support for Optical S/PDIF Out
LAN
Intel® i219V Gigabit LAN (10/100/1000 Mbit) with ASUS Turbo Lan/Guard.
EXPANSION SLOTS
44-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8)
2 x PCIe 3.0 x4 (max at x4 mode) *1
1 x PCIe 3.0/2.0 x1 *3
28-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x1) *4
2 x PCIe 3.0 x4 (max at x4 mode) *1
1 x PCIe 3.0/2.0 x1 *3
16-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x8/x1) *4
2 x PCIe 3.0 x4 (max at x4 mode) *1
1 x PCIe 3.0/2.0 x1 *3
1 x PCIe 3.0/2.0 x1 (x1 mode)
STORAGE INTERFACE
Intel® X299 Chipset :
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
8 x SATA 6Gb/s port(s)
Support Raid 0, 1, 5, 10
Supports Intel® Smart Response Technology, Intel Rapid Start Technology
Intel® Optane™ Memory Ready
MULTI-GRAPHICS TECHNOLOGY
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
USB
ASMedia® USB 3.1 Gen 2 controller :
1 x USB 3.1 Gen 2 port(s) (1 at mid-board)
ASMedia® USB 3.1 Gen 2 controller :
2 x USB 3.1 Gen 2 port(s) (Type-A + USB Type-CTM)
Intel® X299 Chipset :
8 x USB 3.1 Gen 1 port(s) (4 at back panel, , 4 at mid-board)
Intel® X299 Chipset :
4 x USB 2.0 port(s) (4 at back panel, , 2 at mid-board)
INTERNAL I/O CONNECTORS
1 x AAFP connector
2 x Aura RGB Strip Header
2 x USB 3.1 Gen 1 connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s)
1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)
1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
8 x SATA 6Gb/s connector(s)
1 x M.2_FAN connector
1 x VROC_HW_Key
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
2 x Chassis Fan connector(s)
1 x AIO_PUMP connector
1 x W_PUMP+ connector
1 x Thunderbolt header(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x 4-pin ATX 12V Power connector(s)
1 x System panel(s) (Q-Connector)
1 x 5-pin EXT_FAN(Extension Fan) connector
1 x MemOK! button(s)
1 x Thermal sensor connector(s)
1 x Power-on button(s)
1 x Clear CMOS jumper(s)
1 x USB 3.1 Gen 2 front panel connector
1 x CPU_OV jumper
BACK PANEL CONNECTORS
1 x LAN (RJ45) port(s)
2 x USB 3.1 Gen 2 Type-A + USB Type-CTM
4 x USB 3.1 Gen 1
2 x USB 2.0 (one port can be switched to USB BIOS Flashback)
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x USB BIOS Flashback Button(s)
h2]BIOS
128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS,
ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen and ASUS DRAM SPD (Serial Presence Detect) memory information
OPERATING SYSTEM
Support for Windows 10 64-bit
FORM FACTOR
• 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
• ATX Form Factor