---
product_id: 174916026
title: "Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting"
brand: "asus"
price: "$473.76"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/174916026-prime-x299-a-ii-atx-motherboard-intel-x299-lga-2066
store_origin: US
region: United States of America
---

# 12 Power Stages Aura Sync RGB DDR4 4266 MHz Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting

**Brand:** asus
**Price:** $473.76
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Build with the Ultimate Powerhouse!

## Quick Answers

- **What is this?** Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting by asus
- **How much does it cost?** $473.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/174916026-prime-x299-a-ii-atx-motherboard-intel-x299-lga-2066)

## Best For

- asus enthusiasts

## Why This Product

- Trusted asus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Gen Connectivity:** Seamlessly connect with dual M.2 support, USB 3.2 Gen 2 Type-C, and Intel Optane Memory compatibility.
- • **Power Meets Stability:** Enjoy robust power delivery with 12 IR3555 power stages and ultra-durable capacitors for a stable and reliable system.
- • **Effortless Overclocking:** Achieve expert-level CPU performance optimization with Ai overclocking technology that adapts to your setup.
- • **Stay Cool Under Pressure:** Experience unthrottled transfer speeds with a comprehensive cooling solution that reduces M.2 SSD temperatures by up to 20°C.
- • **Maximize Your Performance:** Unlock the full potential of Intel Core X-Series processors with cutting-edge LGA 2066 socket.

## Overview

The Asus Prime X299-A II ATX Motherboard is engineered for high-performance computing, featuring an LGA 2066 socket for Intel Core X-Series processors, robust power design with 12 IR3555 power stages, and advanced cooling solutions. With support for DDR4 memory up to 4266 MHz, triple M.2 drives, and next-gen connectivity options, this motherboard is perfect for gamers and professionals seeking unparalleled performance and reliability.

## Description

Asus Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting

## Features

- Intel x299 LGA 2066 socket: ready for the latest Intel Core X-Series processors to maximize connectivity and speed with up to three M.2 drives, USB 3.2 Gen 2, Intel VROC and Intel Optane Memory compatibility
- Robust power design: 12 IR3555 power stages, ProCool II connectors, alloy Chokes and ultra-durable capacitors for stable power delivery
- Comprehensive cooling solution: ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20° C for unthrottled transfer speeds and enhanced reliability, an array of fan Headers, and options for water pump or AIO
- Next Gen connectivity: Intel Optane Memory Ready, Intel VROC support, Dual M.2 support, Multi-GPU support and USB 3.2 Gen Type-C
- Ai overclocking: quickly optimizes your CPU performance based on the CPU and cooler, achieving results that are extremely close to manual tuning by experts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Processor | 4266 MHz |
| RAM | DDR4 |
| Memory Speed | 2133 MHz |
| Wireless Type | 802.11a/b/g/n/ac, 802.11ax |
| Number of USB 2.0 Ports | 2 |
| Brand | ASUS |
| Series | Prime X299-A II |
| Item model number | Prime X299-A II |
| Item Weight | 4.52 pounds |
| Product Dimensions | 9.6 x 2 x 12 inches |
| Item Dimensions  LxWxH | 9.6 x 2 x 12 inches |
| Computer Memory Type | DDR4 SDRAM |
| Voltage | 12 Volts |
| Manufacturer | ASUS |
| ASIN | B07YD6SXF7 |
| Date First Available | September 25, 2019 |

## Product Details

- **Brand:** ASUS
- **CPU Socket:** LGA 2066
- **Compatible Devices:** Personal Computer
- **RAM Memory Technology:** DDR4
- **Compatible Processors:** Intel Core X-Series
- **Chipset Type:** Intel X299
- **Memory Clock Speed:** 2133 MHz
- **Platform:** Windows 10
- **Model Name:** Prime X299-A II
- **Memory Storage Capacity:** 256 GB

## Images

![Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting - Image 1](https://m.media-amazon.com/images/I/619mrHWaYwL.jpg)

## Questions & Answers

**Q: I h i9-9940x. can i use m.2_1 and m.2_3? if it is possible, can anyone show me how to set the bios for this setup? thanks in advance.**
A: yes, the cpu can support, however, the bios setup is motherboard dependent.

**Q: Is one of the m.2 ports favored over the other. it will be used an m.2 ssd. thanks**
A: I have used the one further from the CPU for a Samsung Pro 1TB NVME SSD, and I'm getting full speed.

**Q: When was this motherboard released?**
A: 2019

**Q: Can you run an i9980xe on this board stock and can it handle overclocking?**
A: The board can definitely handle over locking. As to that specific processor, look up the motherboard on the ASUS web site. Under its support tab there is a complete list of compatible processors as well as ram modules.

## Frequently Bought Together

- Asus Prime X299- A II ATX Motherboard (Intel X299) LGA 2066, 12 IR3555 Power Stages, DDR4 4266 MHz, Triple M.2, USB 3.2 Gen 2 Type-C, Intel LAN and Aura Sync RGB Lighting
- Intel Core i9-10900X Desktop Processor 10 Cores up to 4.7GHz Unlocked LGA2066 X299 Series 165W (BX8069510900X)
- ARCTIC MX-4 (incl. Spatula, 4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/174916026-prime-x299-a-ii-atx-motherboard-intel-x299-lga-2066](https://www.desertcart.us/products/174916026-prime-x299-a-ii-atx-motherboard-intel-x299-lga-2066)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-22*