| Basic Information | |
| Supported CPU | Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors |
| 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 | Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm |
| Expansion Slots | |
| PCI | AMD Ryzen series CPUs (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 (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™ |
| M.2 Socket | 1 x Ultra M.2 Socket (M2_1) |
| Memory Specifications | |
| Memory Type | Dual Channel DDR4 Memory Technology |
| Slots | 4 x DDR4 DIMM Slots |
| Supported Memory Type | 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 |
| Max. Memory | 64GB |
| Connector & Ports | |
| HDMI | 1 x HDMI Port |
| Display Port (s) | 1 x DisplayPort 1.4 |
| 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) |
| Supported Storage | 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 |
| 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 |
| 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 | Shared memory default 2GB. Max Shared memory supports up to 16GB |
| Warranty Information | |
| Manufacturing Warranty | 03 years warranty |
The ASRock B450M Steel Legend AMD Micro-ATX motherboard is designed for high-performance computing and exceptional durability. Built to support AMD’s Ryzen 2000, 3000, and 5000 Series desktop processors with an AM4 socket, it ensures a seamless experience for both gaming and productivity tasks. With the AMD Promontory B450 chipset, the motherboard offers reliable performance and stability for demanding applications. One of the standout features of the B450M Steel Legend is its robust memory support, capable of handling up to 64GB of dual-channel DDR4 RAM. It supports various memory speeds, including DDR4 3533+ (OC) for Ryzen 3000 and 5000 series, providing users with the flexibility to choose their preferred memory configuration. Additionally, the motherboard includes multiple expansion slots, including PCI Express 3.0 x16 slots and PCI Express 2.0 x16 slots, making it ideal for high-performance graphics cards and other expansion needs. The B450M Steel Legend also excels in connectivity, with HDMI 1.4 and DisplayPort 1.4 outputs that support 4K resolution, delivering crystal-clear visuals. USB connectivity is extensive, with USB 3.1 Gen2 Type-A, Type-C, and multiple USB 3.1 Gen1 ports, providing quick data transfer speeds. It also features an RJ-45 LAN port for reliable wired networking and offers advanced audio with HD audio jacks for a superior sound experience. Built with durability in mind, the ASRock B450M Steel Legend includes reinforced steel slots, advanced cooling options, and a comprehensive range of internal I/O ports for easy connectivity of additional devices. The motherboard’s design incorporates RGB LED headers for customizable lighting and is backed by a 3-year warranty, ensuring a long-lasting, reliable solution for your computing needs.
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