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M/BOARD PRIME X299-A II Print
February 2020
Key Features
  • Intel LGA 2066 socket: Ready for the latest Intel® Core™ X-series processors
  • AI Overclocking: Quickly optimizes your CPU performance based on the CPU and cooler, achieving results that are extremely close to manual tuning by experts
  • Robust power design: 12 IR3555 power stages, ProCool II connectors, alloy chokes and ultra-durable capacitors for stable power delivery
  • M.2 heatsink: Ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20° C for unthrottled transfer speeds and enhanced reliability
  • Next-gen connectivity: Intel Optane memory ready, Intel® VROC support, dual M.2 support, and USB 3.2 Gen Type-C™

Specifications

CPU

Intel® Socket 2066 Core™ X-Series Processors
* The Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types

Chipset

Intel® X299

Memory

Intel® Core™ X-series Processors (i9 10000 X-Series)
8 x DIMM, Max. 256GB, DDR4 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 Non-ECC, Un-buffered Memory
Intel® Core™ X-series Processors (
i9 9000/7000 and i7 9000 X-Series)
4 x DIMM, Max. 256GB,
DDR4 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
(O.C.)/2800(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.

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

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 *1
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 *1
28-Lane CPU-
2 x PCIe 3.0/2.0 x16 (x16, x16/x8)
2 x PCIe 3.0/2.0 x1 *1
1 x
M.2 Socket 1 with E key, type 2230 for WIFI/BT devices support PCIE/USB mode
* The Wi-Fi E key shares bandwidth with PCIEX1_1.
* The Wi-Fi/BT module is purchased separately

Storage

Intel® X299 Chipset :
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) *3
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode) *4
8 x SATA 6Gb/s port(s) *5
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology supports
(Intel® Core™ i9 10000 X-Series CPU) :
2 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology Enterprise supports
(Intel® Core™ i9 9000/7000 and i7 9000 X-Series CPU) :
1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology 15 support
Intel® Optane™ Memory Ready *6

LAN

Intel® I219V, 1 x Gigabit LAN Controller(s)
ASUS Turbo LAN Utility
ASUS LAN Guard

Audio

Realtek® ALC 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
Audio Feature :
- DTS X®:Ultra
- Optical S/PDIF out port(s) at back panel
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
- Premium Japanese-made audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
- Unique de-pop circuit: Reduces start-up popping noise to audio outputs

USB Ports

ASMedia® USB 3.2 Gen 2 controller : *1
1 x USB 3.2 Gen 2 port(s) (1 at mid-board)
2 x USB 3.2 Gen 2 port(s) (Up to 10Gbps) (2 at back panel, Type-A + USB Type-CTM)
Intel® X299 Chipset:
8 x USB 3.2 Gen 1 port(s) (4 at back panel, , 4 at mid-board)
6 x USB 2.0 port(s) (2 at back panel, , 4 at mid-board)

Back I/O Ports

1 x PS/2 keyboard/mouse combo port(s)
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 Type-A + USB Type-CTM
4 x USB 3.2 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)

Internal I/O Ports

1 x AAFP connector
2 x Aura RGB Strip Header
1 x Addressable Gen 2 header(s)
1 x USB 3.2 Gen 1 front panel TypeC™ connector
2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 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)
1 x COM port(s) connector(s)
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 W_PUMP+ connector
1 x AIO_PUMP connector
1 x Thunderbolt header (5-pin) for ASUS ThunderboltEX series support
1 x 24-pin EATX Power connector(s)
2 x 8-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) (Q-Connector) (Chassis intrusion header is inbuilt)
1 x Thermal sensor connector(s)
1 x Power-on button(s)
1 x Clear CMOS jumper(s)
1 x Node Connector(s)
1 x CPU_OV jumper
1 x Q-Code

Form Factor

ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Note:

1. PCIEX1_1 shares bandwidth with Wi-Fi E Key. PCIEX1_1 is disabled by default.
PCIEX1_2 shares bandwidth with SATA6G_7. PCIEX1_2 is disabled by default.
2. PCIeX16_3 will be disabled when using 28-lane CPU.
3. The M.2_2 socket shares bandwidth with SATA6G_1 port when using M.2 SATA devices.
4. The M.2_1 PCIe mode source is from X299 Chipset when using 44 and 28-lane CPU.
5. The SATA6G_7 shares bandwidth with PCIeX1_2.
6. The M.2 PCIE mode source from X299 Chipset supports Intel® Optane Memory.

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