Product Specification

CPU

Chipset : AMD B450

CPU Socket : AM4

Back Panel I/O

USB

1 x USB 3.1 / USB 3.2 Gen 2 Type-A

1 x USB 3.1 / USB 3.2 Gen 2 Type-C

4 x USB 3.1 / USB 3.2 Gen 1 Type-A

2 x USB 2.0 Type-A

Thunderbolt : None

Display

1 x DisplayPort Output

1 x HDMI Output

Audio

5 x 3.5 mm

1 x S/PDIF

Ethernet / Controller : 1 x Realtek RTL8111H Gigabit

PS/2 : 1 x Combo

Memory

Memory Slots : 4 x 288-Pin

Memory Support : DDR4 2133, 2400, 2667, 2933, 3200, 3466, 3533 MHz

Maximum Capacity : 64 GB

Channel Architecture : Dual Channel

ECC Support : Non-ECC Unbuffered

Storage Expansion

SATA : 4 x SATA III

M.2

1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4, SATA III)

1 x M Key 2230, 2242, 2260, 2280 (SATA III)

U.2 : None

RAID Support : RAID 0, 1, 10 (SATA)

Internal I/O

Expansion Slots

1 x PCIe 3.0 x16

1 x PCIe 2.0 x16

1 x PCIe 2.0 x1

USB

1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port)

2 x USB 2.0 Header (Supports 4 USB Type-A Port)

Multi-GPU Support : Quad-GPU AMD CrossFireX

Air Cooling

1 x 4-Pin CPU

3 x 4-Pin System

Liquid Cooling

1 x 4-Pin Pump

3 x Radiator Fan

Power Connectors

1 x 24-Pin Mainboard

1 x 8-Pin ATX

Security : Chassis Intrusion, TPM Module

LED Header : 2 x RGB

Audio : 1 x Speaker

Legacy : 1 x Serial

BIOS

ROM : 128 Mb

Front Panel I/O

I/O Connection Headers : AAFP, USB 3.1 / USB 3.2 Gen 1

Audio

Audio Codec : Realtek ALC892 (7.1-Channel)

Software

Supported Operating Systems : Windows 10 (64-Bit)

Physical

Form Factor : Micro-ATX

Dimensions : 9.6 x 9.6" / 24.38 x 24.38 cm

Packaging Info

Package Weight : 3.235 lb

Box Dimensions (LxWxH) : 12.25 x 11.25 x 2.46"

ASRock B450M Steel Legend Socket AM4/ AMD Promontory B450/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/MicroATX Motherboard

(3690 Total Review)

The ASRock B450M Steel Legend is a resilient, feature-packed Micro‑ATX motherboard built for gaming and solid performance. Supports AMD Ryzen 2000–5000 series CPUs, so that you can upgrade your system in the future whenever you want.

Additionally, with 4 DDR4 DIMM slots up to 64 GB at OC speeds, this motherboard is capable enough to provide smooth performance and multitasking. Whether you are a gamer, creator, or any other user, this board is ready to deliver you a great computing experience.

Product Features

Chipset: AMD Promontory B450.
Slots: 3x PCI-Express 3. 0 x16 Slots (one runs at x8, one runs at x4), 3x PCI Express 2. 0 x16 Slots (run at x4), 1x PCI Express 2. 0 x1 Slot.
Audio: Realtek ALC892 7. 1-Channel High Definition Audio CODEC with content protection.

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Out of Stock · Last Checked At: Oct 30, 2026

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