It has four DDR4 slots for up to 64 GB RAM. Further features of the B450M STEEL LEGEND include a CPU-dependent graphics solution, a PCIe 3.0 x16 slot, a PCIe 2.0 x16 slot and a PCIe 2.0 x1 slot.
The B450M STEEL LEGEND also features 8-channel sound, a Gigabit LAN interface and four SATA3, two M.2 ports, USB 3.1 type C, USB 3.1 type A and USB 3.0 ports.
| Processor family | Athlon, Ryzen 1st Gen, Ryzen 2nd Gen, Ryzen 3rd generation |
| Memory type | DDR4-RAM |
| Internal connection options | S-ATA III (4x) |
| Peripheral connections | USB 3.0 Type-A (4x) |
| Item number | 11054263 |
| Manufacturer | |
| Category | |
| Manufacturer no. | 90-MXB9Y0-A0UAYZ |
| Release date | 5/7/2019 |
| Form factor | Micro ATX (mATX) |
| Processor socket | AM4 |
| Chipset | AMD B450 |
| Mainboard features | Front panel audio connector |
| Operating system compatibility | Windows 10, Windows 10 Home, Windows 10 Pro |
| Peripheral connections | USB 3.0 Type-A (4x) |
| BIOS type | UEFI AMI |
| Processor family | Athlon, Ryzen 1st Gen, Ryzen 2nd Gen, Ryzen 3rd generation |
| Memory form factor | DIMM |
| Number of pins | 240 x |
| Number of memory modules (RAM) | 4 x |
| Max. memory (RAM) | 64 GB |
| Memory chip | DDR4-3333 |
| Max. RAM OC | 3533 MHz |
| Supported memory speed | 2133 MHz, 2400 MHz, 2933 MHz, 3200 MHz |
| Memory type | DDR4-RAM |
| RAM buffer | Unbuffered |
| Video connections | DisplayPort (1x), HDMI (1x) |
| Video connection version | HDMI 1.4 |
| Multi-GPU technology | AMD CrossfireX |
| Network connections | RJ45 (1x) |
| Ethernet controller brand | Realtek |
| Ethernet controller | Realtek RTL8111H |
| Chip | Realtek ALC892 |
| Audio channel | 7.1 Channel |
| Audio Connections | Coaxial S/PDIF (1x) |
| Internal connection options | S-ATA III (4x) |
| Expansion slot | PCI Express x16 (1x) |
| PCI express version (max.) | 3 |
| Power connectors | 24-pin ATX, 8-pin ATX 12V |
| Scope of delivery | 2 x Serial ATA cable |
| Length | 244 mm |
| Width | 244 mm |
| Height | 244 mm |
| Weight | 750 g |
| Length | 30 cm |
| Width | 28 cm |
| Height | 7 cm |
| Weight | 1.45 kg |
Specifications may include unverified machine translations.