Asus Prime X299-A II ATX Motherboard

Asus Prime X299-A II ATX Motherboard

Motherboard • Asus • $ 299.38

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Overview

The Asus Prime X299-A II ATX Motherboard is a feature-rich foundation for Intel's high-end desktop (HEDT) platform, designed to unleash the full potential of Intel Core X-series processors. Built on the Intel X299 chipset with an LGA 2066 socket, this motherboard delivers exceptional performance, robust connectivity, and extensive overclocking headroom for enthusiasts, content creators, and professionals.

Unleash Extreme Performance

With support for up to 256GB of DDR4 memory across eight slots, the Prime X299-A II enables massive multitasking and memory-intensive workloads. Overclockers will appreciate the ability to push memory speeds up to 4266MHz (OC), while the optimized power delivery system ensures stable power for even the most demanding CPUs. The motherboard's premium components and intelligent cooling controls keep temperatures in check during intense sessions.

Comprehensive Connectivity

Connectivity is a cornerstone of the Prime X299-A II. It offers eight SATA 6Gb/s ports for traditional storage, plus three M.2 slots (including one with PCIe 3.0 x4 support) for ultra-fast NVMe SSDs. Two PCIe 3.0 x16 slots are reinforced with SafeSlot technology to support heavy graphics cards and other expansion cards. For external devices, the rear I/O panel includes USB 3.2 Gen 2 (Type-A and Type-C), USB 3.2 Gen 1, USB 2.0, and a PS/2 combo port. Networking is handled by an Intel Gigabit LAN controller, ensuring low-latency online gaming and fast file transfers.

Tailored for Enthusiasts and Creators

Whether you're building a high-performance gaming rig, a workstation for 3D rendering, or a video editing powerhouse, the Prime X299-A II adapts to your needs. The ATX form factor fits standard cases, while the comprehensive fan headers and RGB lighting support (Aura Sync) allow for personalized aesthetics. The BIOS is packed with intuitive tuning options, and the included USB BIOS FlashBack button simplifies firmware updates without a CPU.

Key Features at a Glance

  • Intel X299 chipset with LGA 2066 socket for Intel Core X-series processors
  • 8 DIMM slots, up to 256GB DDR4, speeds up to 4266MHz (OC)
  • Triple M.2 slots for blazing-fast NVMe storage
  • Dual PCIe 3.0 x16 slots with SafeSlot reinforcement
  • USB 3.2 Gen 2 Type-A and Type-C ports for high-speed data transfer
  • Intel Gigabit LAN for reliable networking
  • Premium audio with optical S/PDIF output
  • ASUS Aura Sync RGB lighting for customization

In summary, the Asus Prime X299-A II is a versatile and dependable choice for anyone looking to build a powerful Intel HEDT system. Its blend of performance, expandability, and user-friendly features makes it a smart investment for years to come.

Key Specifications

Form Factor: ATX
Socket: LGA 2066
RAM Type: DDR4
Max. RAM: 256GB
RAM Slots: 8
Chipset: Intel X299
Connectivity
8X SATA 6Gb/s, 2X PCIe 3.0 x16, 3X M.2,, 2X USB 2.0 (one port can be switched to USB BIOS FlashBack),, 1X USB BIOS FlashBackâ„¢ Button(s),, 4X USB 3.2 Gen 1,, 2X USB 3.2 Gen 2 (up to 10Gbps) ports (Type-A + USB Type-CTM),, 1X PS/2 keyboard/mouse combo port(s),, 1X LAN (RJ45) port(s),, 1X Optical S/PDIF out,, 5X Audio jack(s)

Detailed Parameters

Platform:
AMD
Socket:
LGA 2066
RAM Type:
DDR4
Number of RAM Slots:
8
Maximum RAM/slot:
32
Maximum RAM Capacity in GB:
256
PCI Express Version:
3
Form Factor:
ATX
Maximum RAM Speed in MHz:
4266

Where to Buy

Pros

  • Supports up to 256GB DDR4 across 8 slots
  • Triple M.2 slots for flexible NVMe storage
  • Robust power delivery for overclocking
  • USB 3.2 Gen 2 Type-C and Type-A ports
  • ASUS Aura Sync RGB lighting and BIOS FlashBack

Cons

  • PCIe 3.0 only, no PCIe 4.0 support
  • Platform is older (X299) and not compatible with newer CPUs
  • No built-in Wi-Fi or 10GbE

Frequently Asked Questions

What processors are compatible with the Asus Prime X299-A II?

The Asus Prime X299-A II supports Intel Core X-series processors (Skylake-X, Kaby Lake-X, Cascade Lake-X) that use the LGA 2066 socket. It is not compatible with other Intel sockets like LGA 1200 or LGA 1700.

Does the Asus Prime X299-A II support ECC memory?

No, the Asus Prime X299-A II does not support ECC memory. It is designed for non-ECC DDR4 memory modules.

How many M.2 slots does the Asus Prime X299-A II have?

The motherboard has three M.2 slots. All support PCIe 3.0 x4 mode, and one also supports SATA mode. They support various lengths including 2242, 2260, 2280, and 22110.

Does the Asus Prime X299-A II have built-in Wi-Fi?

No, the Asus Prime X299-A II does not include built-in Wi-Fi. However, it has an M.2 slot that can accommodate a Wi-Fi card, or you can use a USB Wi-Fi adapter.

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