Key Features
Model: Asrock B450 Steel Legend
Support AMD AM4 Socket CPU
Supports DDR4 3533+ (OC)
2 PCIe 3.0 x16, 4 PCIe 2.0 x1
AMD Quad CrossFireX
Basic Information | |
Supported CPU | AMD AM4 Socket - Digi Power design - 6 Power Phase design |
Chipset | AMD Promontory B450 |
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 |
Form Factor | ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm |
Expansion Slots | |
PCI | AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge) - 2 x PCI Express 3.0 x16 Slots (PCIE1: x16 mode; PCIE4: x4 mode) AMD Ryzen series CPUs (Raven Ridge) - 2 x PCI Express 3.0 x16 Slots (PCIE1: x8 mode; PCIE4: x4 mode) (If you use Athlon 2xxGE series APU, PCIE1 slot will run at x4 mode.) AMD Athlon series CPUs - 2 x PCI Express 3.0 x16 Slots (PCIE1: x4 mode; PCIE4: x2 mode) - 4 x PCI Express 2.0 x1 Slots - Supports AMD Quad CrossFireX™ and CrossFireX |
M.2 Socket | 1 x Ultra M.2 Socket |
Memory | |
Type | Dual Channel DDR4 Memory Technology |
Slots | 4 x DDR4 DIMM Slots |
Supported 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 (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 |
Maximum Memory | 64GB |
Graphics | |
Graphics | -Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz - Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2160) @ 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 |
Max Shared Memory | 2GB |
Connector & Ports | |
HDMI | 1 x HDMI Port |
Display Port (s) | 1 x DisplayPort 1.2 |
USB (s) | 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) |
LAN Port (s) | 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) |
Audio | HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) |
Internal I/O Ports | 1 x COM Port 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) |
TPM (Trusted Platform Module ) | 1 x TPM Header |
Warranty Information | |
Manufacturing Warranty | 03 years |