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Compare 5 products

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ASRock B450 Steel Legend Motherboard
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ASRock B450M-HDV Motherboard
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ASRock B450M PRO4 Motherboard
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MSI B450-A Pro - ATX Motherboard
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MSI B450M Pro-VDH MAX Motherboard

General

Motherboard typeATXMicro-ATXMicro-ATXATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4Socket AM4
Cooling type
N/A
N/A
N/A
Passive
N/A

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 3466 MHz
  • 3533 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3066 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3733 MHz
  • 3866 MHz
  • 3066 MHz
RAM technologyDDR4DDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMMDIMM
Maximum RAM size64 GB32 GB64 GB64 GB64 GB
Number of memory slots42444
Unbuffered memoryyes
N/A
N/A
N/A
N/A
Memory channelsDualDualDualDualDual
Non-ECCyes
N/A
N/A
yes
N/A
ECC
N/A
N/A
N/A
yes
N/A

Audio properties

Audio codecRealtek ALC892Realtek ALC887Realtek ALC892Realtek ALC892Realtek ALC892
Audio output channels7.17.17.17.17.1

Technical details

Compatible processor seriesAMD AAMD RyzenAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors1
N/A
N/A
1
N/A

Internal I/O ports

Number of COM connectors1
N/A
1
N/A
N/A
CPU fan connectoryesyesyesyes
N/A
12V power connectoryesyesyes
N/A
N/A
ATX Power connector (24-pin)YYYY
N/A
TPM connectoryesyesyesyesyes
Number of SATA III connectors64464
Number of chassis fan connectors
N/A
1
N/A
4
N/A
Serial port headers
N/A
N/A
N/A
11
EPS power connector (8-pin)
N/A
N/A
N/A
yes
N/A
RGB LED pin header
N/A
N/A
N/A
yes
N/A
Front panel connector
N/A
N/A
N/A
yes
N/A

Rear panel I/O ports

S/PDIF out portyes
N/A
N/A
N/A
N/A
HDMI ports quantity11111
HDMI version1.4
N/A
N/A
N/A
N/A
Ethernet LAN (RJ-45) ports11111
PS/2 ports quantity11111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
N/A
1
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
N/A
12
N/A
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44424
DisplayPorts quantity1
N/A
N/A
N/A
N/A
DisplayPort version1.2
N/A
N/A
N/A
N/A
VGA (D-Sub) ports quantity
N/A
1111
DVI-D ports quantity
N/A
1111
Microphone input
N/A
N/A
N/A
yes
N/A
Headphone outputs
N/A
N/A
N/A
1
N/A

Network

Wi-Fino
N/A
N/A
N/A
no
Ethernet LAN (Network)yesyesyesyesyes
LAN controllerRealtek 8111HRealtek RTL8111HRealtek RTL8111HRealtek RTL8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width12.01 in9.09 in9.61 in12.01 in9.61 in
Depth9.61 in8.11 in9.61 in9.61 in9.61 in

Often compared with ASRock B450 Steel Legend

Often compared with ASRock B450M-HDV

Often compared with ASRock B450M PRO4

Often compared with MSI B450M Pro-VDH MAX