ASUS Prime X299 Deluxe II DDR4 Intel Motherboard
MPN ASUS-PRIME-X299-DELUXE-II · Brand ASUS · ATX
The ASUS Prime X299 Deluxe II is an ATX motherboard for Intel LGA2066 Core X-Series CPUs, featuring dual Thunderbolt 3 ports, 5 Gbps LAN, three M.2 slots, 128 GB DDR4 support, and comprehensive water-cooling headers
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Overview
The ASUS Prime X299 Deluxe II is an ATX form-factor motherboard built around the Intel X299 chipset, designed to support Intel Socket LGA2066 Core X-Series processors. It targets professional content creators and performance enthusiasts who require a platform capable of harnessing up to 18 CPU cores, four memory channels, and up to 44 PCIe lanes available on compatible high-core-count Intel Core X-Series CPUs. Power delivery is handled by 12 power stages connected to the CPU socket, supplemented by dual eight-pin EPS 12V connectors using ASUS ProCool solid-pin construction for improved current capacity and thermal management. Memory support extends to eight DDR4 DIMM slots with a maximum capacity of 128 GB, running at speeds from 2133 MHz up to 4266 MHz (overclocked), with Intel XMP profile support. Storage options are comprehensive: three M.2 Socket 3 slots supporting PCIe 3.0 x4 NVMe drives (with one also supporting SATA mode), plus eight SATA 6 Gb/s ports. RAID 0, 1, 5, and 10 are supported via Intel Rapid Storage Technology, and the board is Intel Optane Memory Ready. Connectivity is a standout feature. Two Intel Thunderbolt 3 Type-C ports deliver 40 Gbps data transfer, DisplayPort 1.4 output at up to 7680×3840 at 60 Hz, and up to 15 W charging. A dual-LAN arrangement pairs an Aquantia AQC111C 5 Gbps port with an Intel I219V Gigabit port. Wireless is handled by an Intel Wireless-AC 9260 module supporting Wi-Fi 802.11ac dual-band at up to 1.73 Gbps and Bluetooth 5.0. Expansion slots for a 44-lane CPU include three PCIe 3.0/2.0 x16 slots (configurable up to x16/x16/x8) and two PCIe x1 slots, enabling NVIDIA Quad-GPU SLI and AMD 3-Way CrossFireX configurations. The 2-inch LiveDash OLED display shows real-time system data such as CPU temperature, frequency, and fan speeds. Cooling infrastructure includes dedicated water pump (W_PUMP+) and AIO pump headers, Fan Xpert 4 software control, and passive M.2 heatsinks on two of the three M.2 slots. ASUS 5X Protection III covers the board with SafeSlot PCIe reinforcement, LANGuard surge protection, overvoltage protection, ESD guards, and stainless-steel rear I/O. Aura Sync RGB headers (two standard RGB and one addressable) allow lighting coordination with compatible ASUS components. The UEFI BIOS includes USB BIOS Flashback, MemOK! II memory compatibility, CrashFree BIOS 3, and 5-Way Optimization one-click tuning. Verified Specifications: Form Factor: ATX, 12 x 9.6 in (30.5 x 24.4 cm) | Socket: LGA2066 | Chipset: Intel X299 | Memory: 8x DDR4 DIMM, max 128 GB, up to DDR4-4266 (O.C.) | M.2 Slots: 3x M key (PCIe 3.0 x4; one also SATA) | SATA: 8x 6 Gb/s | PCIe x16 Slots: 3 (44-lane CPU) | Thunderbolt: 2x TB3 Type-C, 40 Gbps | LAN: 5 Gbps (Aquantia AQC111C) + 1 Gbps (Intel I219V) | Wi-Fi: 802.11ac, up to 1.73 Gbps | Bluetooth: 5.0 | Audio: Realtek S1220A 8-channel HD | BIOS: 128 Mb Flash, UEFI AMI | OS: Windows 10 64-bit | Warranty: 3 Years
Datasheet
| Warranty | 3 Years |
|---|---|
| Form Factor | ATX |
| Chipset | Intel® X299 |
| CPU Type | Intel® Socket 2066 CoreTM X-Series Processors* The Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types |
| Lan | Aquantia AQC111C 5G LANIntel® I219V, 1 x Gigabit LANASUS Turbo LAN UtilityASUS LAN Guard |
| Bios | 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F9 Search, F12 PrintScreen, F4 AURA ON/OFF and ASUS DRAM SPD (Serial Presence Detect) memory information |
| Audio | 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-retaskingAudio Feature :- DTS Headphone:X- 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 |
| Memory | Intel® Core™ X-series Processors (6-core above)8 x DIMM, Max. 128GB, DDR4 4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered MemorySupports Intel® Extreme Memory Profile (XMP)* Hyper DIMM support is subject to the physical characteristics of individual CPUs |
| Storage | Intel® X299 Chipset :1 x M.2 x4 Socket 3, with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)*31 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)*1Support Raid 0, 1, 5, 10Intel® Rapid Storage Technology supportsIntel® Core™ X-series Processors (6-core above) :1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)Support Raid 0, 1, 5, 10Intel® Rapid Storage Technology Enterprise supportsIntel® Optane™ Memory Ready |
| Bluetooth | Bluetooth® 5.0 |
| USB Ports | Intel® Thunderbolt™ 3 Controller :2 x USB 3.1 Gen 2 port(s) (USB Type-CTM)ASMedia® USB 3.1 Gen 2 controller : *11 x USB 3.1 Gen 2 front panel connector port(s)Intel® X299 Chipset :5 x USB 3.1 Gen 1 port(s) (1 at back panel, , 4 at mid-board)Intel® X299 Chipset :4 x USB 2.0 port(s) (2 at back panel, , 2 at mid-board)ASMedia® USB 3.1 Gen 1 Hub :3 x USB 3.1 Gen 1 port(s) (3 at back panel, ) |
| Thunderbolt | 2 x Intel® Thunderbolt™ 3 ports(TypeC™) support DisplayPort and Thunderbolt™ video outputsSupports DisplayPort 1.4/ with max. resolution 7680/ x 3840/@ 60 Hz** VGA resolution support depends on VGA cards' resolution.Data transfer rate up to 40 GbpsDaisy-chain up to 12 Thunderbolt devicesUp to 5V/3A, 15W charging support |
| Support Disc | DriversASUS UtilitiesEZ UpdateAnti-virus software (OEM version) |
| Manageability | WfM 2.0, DMI 3.0, WOL by PME, PXE |
| Back I/O Ports | 2 x Thunderbolt 3 ports TypeC™2 x DisplayPort IN ports for Thunderbolt™ 31 x LAN (RJ45) port(s)4 x USB 3.1 Gen 12 x USB 2.0 (one port can be switched to USB BIOS Flashback®)1 x Optical S/PDIF out5 x Audio jack(s)1 x ASUS Wi-Fi GO! module (Wi-Fi 802.11 a/b/g/n/ac and Bluetooth v5.01 x AQC-111C 5G LAN port |
| Expansion Slots | 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 *128-Lane CPU-2 x PCIe 3.0/2.0 x16 (x16, x16/x8)1 x PCIe 3.0/2.0 x16 (x2 mode) *22 x PCIe 3.0/2.0 x1 *1 |
| Operating System | Windows® 10 64-bit |
| Special Features | OC Design – ASUS PRO Clock II Technology5-Way Optimization by Dual Intelligent Processors 5- 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Xpert 4, and Turbo Core AppASUS 5X Protection III :- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!- ASUS Overvoltage Protection: World-class circuit-protecting power design- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!- ASUS Enhanced DRAM Overcurrent Protection – Short circuit damage prevention- ASUS ESD Guards – Enhanced ESD protection2 ” LiveDashAURA :- Aura RGB Strip Headers- Aura Lighting Effects Synchronization with compatible ASUS ROG devices- Aura Addressable Strip Header(s)ASUS Exclusive Features :- USB BIOS Flashback®- MemOK! II- AI Suite 3- Ai Charger- Onboard Button : Power/Reset- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface- Turbo LAN- Pre- mounted I/O shield- ASUS NODE : hardware control interfaceASUS Quiet Thermal Solution :- Stylish Design Heat-pipe solution- Stylish Fanless Design with M.2 Heat-sink solutionASUS Q-Design :- ASUS Q-Code- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED, HDD LED)- ASUS Q-Slot- ASUS Q-DIMM- ASUS Q-ConnectorDIY Friendly Design- Procool- SafeSlotQ-Installer- Auto download driver and software. Friendly for first PC builder |
| Multi-Gpu Support | Supports NVIDIA® Quad-GPU SLI™ TechnologySupports NVIDIA® 3-Way SLI™ TechnologySupports NVIDIA® 2-Way SLI™ TechnologySupports AMD Quad-GPU CrossFireX™ TechnologySupports AMD 3-Way CrossFireX™ Technology |
| Internal I/O Ports | 1 x Aura Addressable Strip Header(s)1 x AAFP connector2 x Aura RGB Strip Header2 x USB 3.1 Gen 1(up to 5Gbps) 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 2242/2260/2280/22110 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)8 x SATA 6Gb/s connector(s)1 x M.2_FAN connector1 x VROC_HW_Key1 x CPU Fan connector(s)1 x CPU OPT Fan connector(s)2 x Chassis Fan connector(s)1 x W_PUMP+ connector1 x AIO_PUMP connector1 x 24-pin EATX Power connector(s)2 x 8-pin EATX 12V Power connectors1 x System panel(s) (Q-Connector) (Chassis intrusion header is inbuilt)1 x MemOK! II switch(es)1 x Thermal sensor connector(s)1 x CPU OV1 x Power-on button(s)1 x Reset button(s)1 x Clear CMOS button(s)1 x Node Connector(s)1 x USB BIOS Flashback® button(s)1 x USB 3.1 Gen 2 front panel connector1 x Q-Code |
| Wireless Data Network | Intel® Wireless-AC 9260Wi-Fi 802.11 a/b/g/n/acSupports dual band frequency 2.4/5 GHzSupports MU-MIMOSupports channel bandwidth: HT20/HT40/HT80/HT160. Up to 1.73Gbps transfer speed |




