Compare 5 products

	ASRock B450 Pro4	ASRock B450M Steel Legend	ASRock Fatal1ty B450 Gaming K4	MSI B450-A Pro - ATX	Supermicro X7DA8

Memory
Supported memory bus clock	2400 MHz 2133 MHz 2667 MHz 2933 MHz 3200 MHz	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 1866 MHz 2133 MHz 2667 MHz 2800 MHz 2933 MHz 3000 MHz 2667 MHz 3200 MHz 3466 MHz 3066 MHz	667 MHz 533 MHz
RAM technology	DDR4	DDR4	DDR4	DDR4	DDR2
Memory slots type	DIMM	N/A	DIMM	DIMM	N/A
Maximum RAM size	64 GB	64 GB	64 GB	64 GB	32 GB
Number of memory slots	4	N/A	4	4	N/A
Memory channels	Dual	N/A	N/A	Dual	N/A
ECC	N/A	N/A	N/A	yes	N/A
Non-ECC	N/A	N/A	N/A	yes	N/A

Technical details
Compatible processor series	AMD Ryzen	N/A	AMD Ryzen	AMD Ryzen	N/A
Maximum number of processors	1	1	1	1	2
Maximum number of SMP processors	N/A	N/A	N/A	1	N/A

BIOS
BIOS type	UEFI AMI	AMI	UEFI AMI	UEFI AMI	Phoenix
BIOS features	Multilingual BIOS JumperFree SMBIOS 2.3 support UEFI BIOS ACPI 5.1 support	Multilingual BIOS JumperFree SMBIOS 2.3 support UEFI BIOS ACPI 5.1 support	Multilingual BIOS JumperFree SMBIOS 2.3 support UEFI BIOS ACPI 5.1 support	BIOS FlashBack+ MSI ClickBIOS 5	DMI 2.1 support ACPI 1.0 support SMBIOS 2.3 support IPMI support
BIOS memory size	128.0 mB	N/A	128.0 mB	N/A	N/A
System Management BIOS (SMBIOS) version	2.3	N/A	2.3	N/A	N/A
ACPI version	5.1	N/A	5.1	N/A	N/A