ASRock B450M STEEL LEGEND Specification
| Unique Feature | ASRock USB 3.2 Gen2 |
| – 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) | |
| – High Density Glass Fabric PCB | |
| – I/O Armor | |
| – Sapphire Black PCB | |
| – 2oz Copper PCB | |
| ASRock Steel Slot | |
| ASRock Full Coverage M.2 Heatsink | |
| ASRock Ultra M.2 (PCIe Gen3x4) | |
| ASRock POST Status Checker (PSC) | |
| ASRock Full Spike Protection (for all USB, Audio, LAN Ports) | |
| ASRock Live Update & APP Shop | |
| 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 B450 |
| Memory | – Dual Channel DDR4 Memory Technology |
| – 4 x DDR4 DIMM Slots | |
| – AMD Ryzen series CPUs (Vermeer) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| – AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| – AMD Ryzen series APUs (Cezanne) support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| – AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| – AMD Ryzen series APUs (Picasso) support DDR4 3333+(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* | |
| BIOS | – 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 | |
| Graphics | – 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 | |
| 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 | |
| – Gold Audio Jacks | |
| LAN | – 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 | |
| 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 – Supports AMD Quad CrossFireX™ and CrossFireX™ |
|
| 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 | |
| Connector | – 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 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection) | |
| Rear Panel I/O | – 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 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) | |
| – 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) | |
| – 4 x USB 3.1 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) | |
| Software and UEFI | Software |
| – ASRock Motherboard Utility (A-Tuning) | |
| – ASRock Polychrome SYNC | |
| – ASRock XFast LAN | |
| UEFI | |
| – ASRock Full HD UEFI | |
| – ASRock Instant Flash | |
| Support CD | – Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar |
| Accessories | – Quick Installation Guide, Support CD, I/O Shield |
| – 2 x SATA Data Cables | |
| – 2 x Screws for M.2 Sockets | |
| Hardware Monitor | – 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 | |
| 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* |
| Certifications | – FCC, CE |
| – ErP/EuP ready (ErP/EuP ready power supply is required) |
