Asrock B450M Steel Legend AMD Micro-ATX Motherboard

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)

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

Type	Dual Channel DDR4 Memory Technology

Slot	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

-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

Manufacturing Warranty

03 years

HDMI	1 x HDMI Port

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

Display Port (s)

1 x DisplayPort 1.2

Asrock B450M Steel Legend AMD Micro-ATX Motherboard

Asrock B450M Steel Legend AMD AM4 Socket.Supports DDR4 3533+ (OC)1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1. AMD Quad CrossFireX™. Graphics Output: DisplayPort, HDMI. 7.1 CH HD Audio (Realtek ALC892 Audio Codec), Nichicon Fine Gold Series Audio Caps. 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (PCIe Gen3 x2 & SATA3).2 USB 3.1 Gen2 (Rear Type-A+C). 6 USB 3.1 Gen1 (2 Front, 4 Rear). Realtek Gigabit LAN

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