Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor manufacturer | AMD |
| Memory | |
| Maximum internal memory | 256 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory types | DDR5 |
| Unbuffered memory | ![]() |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 8000 MHz |
| Networking | |
| Bluetooth version | 5.4 |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wi-Fi | ![]() |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Internal I/O | |
| CPU fan connector | ![]() |
| ATX Power connector (24-pin) | ![]() |
| Number of EATX power connectors | 2 |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Back panel I/O ports | |
| Ethernet LAN (RJ-45) ports | 1 |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 7 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Storage controllers | |
| RAID support | ![]() |
| Expansion slots | |
| PCI Express x16 slots | 2 |
| PCI Express x1 slots | 2 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| BIOS | |
| Clear CMOS button | ![]() |
| Features | |
| Motherboard form factor | ATX |
| Component for | PC |
| EAN | 4711581494138 |
The ASROCK 90-MXBU40-A0UAYZ is an ATX motherboard built around the AMD B850 chipset for the AM5 socket. It is compatible with AMD Ryzen 7000, 8000, and 9000 series processors, providing a stable foundation for a variety of system builds. A 12+2+1 power phase design delivers consistent voltage to the CPU, ensuring stable operation during demanding computational tasks. The board accommodates up to 256 GB of dual-channel DDR5 memory across four DIMM slots, enabling efficient multitasking and performance in memory-heavy applications.
For expansion and connectivity, this motherboard includes a primary PCIe 5.0 x16 slot for current-generation graphics cards. Storage capabilities are handled by two M.2 slots, one supporting the PCIe Gen5 standard for high-speed solid-state drives, complemented by four SATA III ports. Networking is provided by an integrated 2.5GbE LAN port, Wi-Fi 7, and Bluetooth 5.4 for both high-speed wired and wireless connections. The rear I/O panel offers a comprehensive selection of USB ports, including USB 3.2 Gen 2 Type-A and Type-C, alongside an HDMI 2.1 output for integrated graphics.
Key Features:- Compatible with AMD Ryzen 9000/8000/7000 series processors
- Built on the AMD B850 chipset with an AM5 socket
- Standard ATX form factor for mid- to full-tower cases
- Four DDR5 DIMM slots support up to 256 GB of memory
- One PCIe 5.0 x16 slot for high-performance graphics cards
- Storage options include two M.2 slots and four SATA ports
- Features 2.5GbE LAN, Wi-Fi 7, and Bluetooth 5.4 connectivity
- Utilizes a Realtek ALC897 audio codec
- Supports RAID 0, 1, and 10 configurations
- Includes HDMI 2.1 output for processor-integrated graphics
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