Learn more about the ASUS Prime X299-A
Model
Brand
ASUS
Model
Prime X299-A
Supported CPU
CPU Socket Type
LGA 2066
CPU Type
Core X series (LGA2066)
Supported CPU Technologies
The Intel Turbo Boost Max Technology 3.0 support depends on the CPU types
* Refer to www.asus.com for CPU support list
Chipsets
Chipset
Intel X299
Onboard Video
Onboard Video Chipset
None
Memory
Number of Memory Slots
Core X-series Processors (6-core above): 8 x 288pin
Core X-series Processors (4-core): 4 x 288pin
Memory Standard
DDR4 4000(O.C.)/ 3600(O.C.)/ 2666/ 2400/ 2133
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
** Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported
Core X-series Processors (6-core above): 128GB
Core X-series Processors (4-core): 64GB
Expansion Slots
PCI Express 3.0 x16
44-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8)
28-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x1)*
16-Lane CPU-
3 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x8/x1)** PCIEX16_3 share bandwidth with PCIEX4_1 when using x28 or x16 lane CPU
PCI Express x4
2 x PCIe 3.0 x4 (max at x4 mode) *
* PCIEX4_1 max. at x1 mode, PCIEX4_2 max. at x4 mode
PCI Express x1
1 x PCIe 3.0/2.0 x1
PCIEX1_1 shares bandwidth with Front USB 3.1 GEN 2
Storage Devices
SATA 6Gb/s
8 x SATA 6Gb/s
M.2
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode)
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x4 mode)
Intel Optane Ready
Yes
SATA RAID
0/1/5/10
Onboard Audio
Audio Chipset
Realtek ALC S1220A
Audio Channels
8 Channels
Onboard LAN
LAN Chipset
Intel I219-V
Max LAN Speed
10/100/1000Mbps
Rear Panel Ports
RJ45
1 x RJ45
USB 3.1
2 x USB 3.1 Gen 2 (Type-A + USB Type-C)
4 x USB 3.1 Gen 1
USB 1.1/2.0
2 x USB 2.0 (one port can be switched to USB BIOS Flashback)
S/PDIF Out
1 x Optical
Audio Ports
5 Ports
Internal I/O Connectors
Onboard USB
1 x USB 3.1 Gen 2 front panel connector
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)
Other Connectors
1 x AAFP connector
2 x Aura RGB Strip Header
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 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 CPU_OV jumper
Physical Spec
Form Factor
ATX
LED Lighting
RGB
Dimensions (W x L)
12.0" x 9.6"
Power Pin
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)
Features
Features
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 TechnologySpecial Features:
OC Design - ASUS PRO Clock II Technology
ASUS Dual Intelligent Processors 5-Way Optimization by Dual Intelligent Processors 5:
- 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Xpert 4, and Turbo Core App
AURA:
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices
ASUS Exclusive Features:
- USB BIOS Flashback
- MemOK!
- AI Suite 3
- Ai Charger
- Onboard Button: Power
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- Turbo LAN
- Crystal Sound 3
File Transfer
- Cloud GO!
- File Transfer
ASUS EZ DIY:
- ASUS EZ Flash 3
- ASUS USB BIOS Flashback
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design:
- ASUS Q-Shield
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED, HDD LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector
Gaming Aesthetics:
- 3D printing friendly
- AURA-RGB Lighting
M.2 Onboard (The latest transfer technologies with up to 32Gb/s data transfer speeds)
BIOS:
128MB 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
Manageability:
WfM 2.0, DMI 3.0, WOL by PME, PXE
Support Disc:
Drivers
ASUS Utilities
EZ Update
Anti-virus software (OEM version)
Operating System:
Windows 10 64-bit
Packaging
Package Contents
Accessories:
User's manual
ASUS Q-Shield
1 x Vertical M.2 bracket set
4 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD
1 x SLI HB BRIDGE (2-WAY-M)
1 x Q-Connector