Technical Specifications
General Overview
| Model & Chipset | B450M Steel Legend, AMD B450 Promontory |
| B450M Steel Legend, AMD B450 Promontory | Micro ATX (24.4 × 24.4 cm), AM4 |
| CPU Support | Ryzen 2000/3000/4000G/5000/5000G, Athlon |
Memory & Expansion
| RAM | 4 × DDR4 DIMM (Dual Channel), up to 128GB, up to 3533+ MHz (XMP support) |
| PCIe Slots | 1 × PCIe 3.0 x16, 1 × PCIe 2.0 x16, 1 × PCIe x1 |
| Multi-GPU Support | AMD Quad CrossFireX |
Storage & Graphics
| M.2 & SATA | 2 × M.2 (NVMe/SATA), 4 × SATA 6Gb/s |
| Integrated Graphics (APUs) | HDMI + DisplayPort (4K Supported) |
Audio & LAN
| Audio | Realtek ALC892/897, 7.1 CH HD with gold jacks |
| LAN | Realtek RTL8111H, Gigabit Ethernet |
Rear I/O Ports
| Rear I/O Ports | HDMI, DisplayPort, 6 × USB (2.0, 3.2 Gen1 & Gen2), 1 × Type-C, PS/2, RJ-45, Audio jacks, SPDIF Out |
Build & Cooling
| Power Design | 6-phase Digi Power, Super Alloy features, PCIe Steel Slot |
| Fan Headers | CPU, CPU/WP, 3 × Chassis/WP |
Aesthetics & Software
| RGB Support | 12V RGB, 5V ARGB, AMD Fan LED |
| Software/UEFI | Polychrome Sync, A-Tuning, Instant Flash, Easy RAID |
nternal & Compatibility
| Internal Headers | USB 2.0, USB 3.2 Gen1, COM, TPM, Audio, Speaker |
| OS Support | Windows 10/11 64-bit (excluding Summit Ridge CPUs) |
In The Box
| In The Box | I/O Shield, 2 × SATA Cables, 2 × M.2 Screws |
Warranty Information
| Duration | 3 Years |