Description
Overview
The ROG Crosshair X870E Extreme is ASUS’s top-tier AM5 E-ATX motherboard aimed at high-end gaming and extreme overclocking. It uses the AMD X870E chipset and supports AMD Ryzen™ 9000, 8000 and 7000 series processors (refer to ASUS support for the CPU compatibility list). ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
Key features
- Socket: AM5 with AMD X870E chipset (E-ATX form factor 305 x 277 mm). ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
- Memory: 4× DDR5 DIMM slots, up to 256 GB, with high OC support (up to 8200+ MT/s with Ryzen 9000, 9000+ MT/s with Ryzen 8000 and 8000+ MT/s with Ryzen 7000; EXPO/AEMP support). ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
- Expansion & storage: 2× PCIe 5.0 x16 (Q‑Release Slim) with flexible lane modes, up to five M.2 slots (including DIMM.2) and 4× SATA 6Gb/s. PCIe/M.2 behaviour depends on CPU and slot configuration—consult ASUS bifurcation tables. ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
- Networking & USB: Dual high-speed LAN (Marvell AQtion 10Gb + Realtek 5Gb), 2× USB4 (40 Gbps) on the rear, multiple 10 Gbps USB ports and a front USB 20 Gbps Type‑C header with Quick Charge support; on-board Wi‑Fi 7 (2×2, Bluetooth v5.4). ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
- Audio & extras: ROG SupremeFX 7.1 audio (ALC4082) with ESS ES9219 QUAD DAC, a full-colour 5″ LCD on the board, extensive OC controls and a large accessory bundle including ROG DIMM.2, fan kit, Q‑connector and Wi‑Fi antenna. ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))
Who it’s for
This board is aimed at enthusiasts, content creators and extreme overclockers who need the latest AM5 platform features — abundant M.2 storage, advanced networking, and extensive on-board controls and measurement points for tuning. For typical users a smaller board may be more cost‑effective; this model targets maximum expandability and tuning headroom. ([rog.asus.com](https://rog.asus.com/me-en/motherboards/rog-crosshair/rog-crosshair-x870e-extreme/spec/))






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