ASRock B450M Steel Legend Review & Specs

ASRock B450M Steel Legend Socket AM4 Quad CrossFireX SATA3&USB3.1 M.2 A&GbE MicroATX

ASRock B450M Steel Legend Socket AM4 Quad CrossFireX SATA3&USB3.1 M.2 A&GbE MicroATX

- ASRock

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  • 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
  • Multi-graphics: Supports AMD Quad Crossfire and Crossfire Technology
  • Audio: Realtek ALC892 7. 1-Channel High Definition Audio CODEC with content protection
  • LAN: Realtek RTL8111H PCIE x1 Gigabit Ethernet Controller

Specifications Overview

Model
  • B450M STEEL LEGEND
  • 90-MXB9Y0-A0UAYZ
Release Date February 2019

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM4
Form factor Micro ATX
Chipset AMD B450
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC892
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 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 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
  • 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
  • 4 x USB 3.2 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)
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 1
SATA 6 Gbps Ports 4
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
RAM Slots 4
Maximum Supported RAM 128GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0


Critic Reviews

86

Feature-packed and with good build quality, we found this board offered a taste of every feature we want in premium boards. It may not have the beefiest VRM out there, but it does make up for it with other niceties like the ARGB header, dual M.2 ports,...


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