ASROCK B450M STEEL LEGEND | Motherboard AMD B450 Ryzen AM4 Micro ATX

CPU
- Supports AMD AM4 Socket Ryzen 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
- Digi Power design
- 6 Power Phase design

Chipset
- AMD Promontory B450

Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- AMD Ryzen series CPUs (Vermeer) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
- Max. capacity of system memory: 128GB**

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC892/897 Audio Codec)
- Supports Surge Protection
- PCB Isolate Shielding
- Individual PCB Layers for R/L Audio Channel

LAN
- PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Realtek RTL8111H
- Supports Wake-On-LAN

Slots
* AMD Ryzen series CPUs (Vermeer, Matisse, Cezanne, Renoir, Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
* AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) (If you use Athlon 2xxGE series APU, PCIE2 slot will run at x4 mode.)
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
* AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
- 1 x PCI Express 2.0 x1 Slot

Storage
- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug*
- 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Vermeer, Matisse, Cezanne, Renoir, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU and Raven Ridge 2)**
- 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module

Form Factor
- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm

OS
- Microsoft Windows 10 64-bit / 11 64-bit*