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ASRock B450M Steel Legend

B450 · AM4 · Micro-ATX
ASRock B450M Steel Legend product image

General

ChipsetB450
SocketAM4
Form FactorMicro-ATX
Supported CPU FamiliesAthlon - Raven Ridge, Athlon - Raven2, Athlon - Dali, Ryzen 1000, Ryzen 2000, Ryzen 2000G, Ryzen 3000, Ryzen 3000G, Ryzen 4000G, Ryzen 5000, Ryzen 5000G

Highlights

Memory4× DDR4 · max 128 GB · 3533 MT/s
M.2 Slots2×
GPU Slots2× x16 · PCIe 3.0
Fastest USBUSB 10 Gbps
NetworkLAN 1 Gbps
Power Stages4+4 phases · 55 A

Manufacturer Links

BIOS downloads ↗CPU support list ↗Driver downloads ↗
Is this part compatible with your build?Analyze part compatibility together with PC Analysis.
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Memory

Memory TypeDDR4
Max RAM Speed3533 MT/s
Max RAM128 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportYes

Expansion and Storage

PCIe Version3.0
PCIe x16 Slots2
PCIe x1 Slots1
PCIe Slot Modes
1× PCIe 3.0 x16
1× PCIe 2.0 x16 · electrical: x4
1× PCIe 2.0 x1
M.2 Slots
M.2_1: PCIe 3.0 x4
M.2_2: PCIe · SATA supported
SATA Ports4
Highest USBUSB 10 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout4+4
CPU Phases4
SoC Phases2
Amps per Phase55 A
PWM ControllerISL95712 (max. 7 phases)
MOSFET4x 55A SM4337/8x SM4336 (High-/Low-Side)

Connectivity and Audio

Audio CodecRealtek ALC892
LAN ChipRealtek RTL8111H (1Gb/s)
Rear I/O
2× USB 2.0 Type-A
4× USB 5Gbps Type-A
1× USB 10Gbps Type-A
1× USB 10Gbps Type-C
1× HDMI
1× DisplayPort
1× 1 Gbps LAN
5× Audio jacks (3.5 mm)
1× S/PDIF optical out
1× PS/2
Front Panel Headers
4× USB 2.0
2× USB-A 5Gbps
HD Audio (front audio)
Case Fan Headers
1× 4-pin PWM fan
4× Pump (liquid cooling)
RGB Header
1× ARGB (5V 3-pin)
2× RGB (12V 4-pin)
RGB Zones
RGB
2 zones (chipset heatsink, I/O cover)
TPM HeaderYes
BIOS Chip16 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
White Build-compatible (PCB primarily black)
supports AMD 2-Way-CrossFireX (x16/x4)