ASROCK B450M Steel Legend AMD DDR4 MOBO, AM4, DDR4*4, 1x DP, 1x HDMi, 2x M.2, 4x SATA

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

• 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*
• AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
• AMD Ryzen series APUs (Cezanne) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
• AMD Ryzen series APUs (Renoir) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
• Max. capacity of system memory: 128GB**
• Supports Extreme Memory Profile (XMP) memory modules
• 15μ Gold Contact in DIMM Slots

Ryzen Series APUs (Cezanne):

• 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
• Gold Audio Jacks

• 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

•  PCIE x1 Gigabit LAN 10/100/1000 Mb/s
• Realtek RTL8111H
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Efficient Ethernet 802.3az
• Supports PXE

• Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU*
• DirectX 12, Pixel Shader 5.0
• Shared memory default 2GB. Max Shared memory supports up to 16GB.**
• Dual graphics output: Support HDMI and DisplayPort 1.2 ports by independent display controllers
• Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
• Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required)
• Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 Ports
• Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and DisplayPort 1.2 Ports

• 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
•  Supports AMD Quad CrossFireX™ and CrossFireX™

• 128Mb AMI UEFI Legal BIOS with multilingual GUI support
• Supports “Plug and Play”
• ACPI 5.1 compliance wake up events
• Supports jumperfree
• SMBIOS 2.3 support
• DRAM Voltage multi-adjustment

• ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
• ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)

ASRock Super Alloy

• XXL Aluminum Alloy Heatsink
• Premium 60A Power Choke
• Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
•  I/O Armor
• Sapphire Black PCB
• High Density Glass Fabric PCB
• 2oz Copper PCB

ASRock Steel Slot
ASRock Ultra M.2 (PCIe Gen3 x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

• 1 x COM Port Header
• 1 x TPM Header
• 1 x Chassis Intrusion Header
• 1 x Power LED and Speaker Header
• 1 x RGB LED Header*
• 1 x Addressable LED Header**
• 1 x AMD Fan LED Header***
• 1 x CPU Fan Connector (4-pin)****
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)*****
• 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)******
• 1 x 24 pin ATX Power Connector
• 1 x 8 pin 12V Power Connector
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
• 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)

• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x DisplayPort 1.2
• 1 x Optical SPDIF Out Port
• 2 x USB 2.0 Ports (Supports ESD Protection)
• 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
• 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
• 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
• 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
• HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)

• ASRock Motherboard Utility (A-Tuning)
• ASRock Polychrome SYNC
• ASRock XFast LAN

UEFI

• ASRock Full HD UEFI
• ASRock Instant Flash
• ASRock Easy RAID Installer

•  Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans
• CASE OPEN detection
• Voltage monitoring: +12V, +5V, +3.3V, Vcore

• Quick Installation Guide, Support CD, I/O Shield
•  2 x SATA Data Cables
•  2 x Screws for M.2 Sockets

• Microsoft® Windows® 10 64-bit / 11 64-bit*

*Summit Ridge do not officially support Windows® 11.

• FCC, CE
• ErP/EuP ready (ErP/EuP ready power supply is required)