The ASUS ROG Crosshair X870E APEX is an enthusiast-grade motherboard designed for high-performance AMD desktop systems. Built around the AMD X870E chipset and AM5 socket, it supports compatible AMD Ryzen 9000, 8000, and 7000 Series desktop processors. Its two-slot DDR5 memory layout prioritizes memory overclocking, while PCIe 5.0 expansion, advanced cooling, and high-speed connectivity provide a strong foundation for performance-focused PC builds.
Key Features
- AMD AM5 platform: Supports compatible AMD Ryzen 9000, 8000, and 7000 Series desktop processors.
- DDR5 memory overclocking: Two DIMM slots support up to 128GB of DDR5 memory, with supported overclocked speeds depending on the processor and memory configuration.
- Advanced power delivery: An 18+2+2 power-stage design supports demanding enthusiast configurations.
- High-speed storage and expansion: Includes three onboard PCIe 5.0 M.2 slots and two additional PCIe 4.0 M.2 slots through the ROG DIMM.2 card.
- Modern connectivity: Features Wi-Fi 7, 5Gb Ethernet, dual USB4 ports, and front-panel USB-C connectivity.
Product Specifications
| Specification | Details |
|---|
| Brand | ASUS |
| Part Number / MPN | ROG CROSSHAIR X870E APEX |
| Product Type | Desktop motherboard |
| Product Series | Republic of Gamers (ROG) Crosshair |
| Chipset | AMD X870E |
| CPU Socket | AMD AM5 |
| Supported Processors | Compatible AMD Ryzen 9000, 8000, and 7000 Series desktop processors |
| Form Factor | ATX |
| Dimensions | 30.5 × 24.4 cm |
| Memory Type | DDR5 |
| Memory Slots | 2 × DIMM |
| Maximum Memory Capacity | 128GB |
| Memory Architecture | Dual-channel |
| Memory Overclocking | Up to 8200+ MT/s with Ryzen 9000, 9600+ MT/s with Ryzen 8000, and 8000+ MT/s with Ryzen 7000 processors; supported configurations vary |
| PCIe Expansion | 2 × PCIe 5.0 x16 slots, 1 × PCIe 4.0 x4 slot, 1 × PCIe 3.0 x1 slot; lane availability depends on CPU and configuration |
| M.2 Storage | 3 × onboard PCIe 5.0 x4 M.2 slots and 2 × PCIe 4.0 x4 M.2 slots via ROG DIMM.2 card, with CPU-dependent limitations |
| SATA Connectivity | 4 × SATA 6Gb/s |
| Wireless Networking | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4; module specification may vary |
| Wired Networking | 1 × Realtek 5Gb Ethernet |
| USB4 | 2 × USB4 Type-C ports, up to 40Gbps |
| Audio | ROG SupremeFX ALC4080 7.1-channel HD audio with Savitech amplifier |
| Lighting Support | ASUS Aura Sync and addressable Gen 2 RGB headers |
| Manufacturer | ASUS |
DC Supplies Product Note
The ROG Crosshair X870E APEX is designed for enthusiasts who prioritize memory tuning, expansion flexibility, and advanced connectivity. Processor support, memory speeds, PCIe lane allocation, and M.2 availability depend on the installed CPU and system configuration. Review the official ASUS compatibility information before selecting components.
Frequently Asked Questions
1. Which processors are compatible with this motherboard?
It supports compatible AMD Ryzen 9000, 8000, and 7000 Series desktop processors using the AM5 socket. Check the ASUS CPU support list for specific models and BIOS requirements.
2. How much memory can the motherboard support?
It supports up to 128GB of DDR5 memory across two DIMM slots. Supported memory speeds depend on the processor, memory kit, and system configuration.
3. Does the motherboard support PCIe 5.0?
Yes. It provides PCIe 5.0 expansion slots and three onboard PCIe 5.0 M.2 storage slots, subject to processor and slot-configuration limitations.
4. What networking options are included?
The motherboard includes Wi-Fi 7 wireless networking and one 5Gb Ethernet port.
5. Does it support USB4?
Yes. Two rear USB4 Type-C ports support data transfer speeds of up to 40Gbps and display output through compatible hardware.
