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ASRock Z390 Extreme4 Motherboard

ASRock Z390 Extreme4

ASRock Z390 Pro4 Motherboard

ASRock Z390 Pro4

Supermicro H8DAR-T Motherboard

Supermicro H8DAR-T

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General
Motherboard type	ATX	ATX	Extended ATX
Processor socket	LGA 1151	LGA 1151	Socket 940

Memory
Supported memory bus clock	2400 MHz 2133 MHz 2666 MHz 2800 MHz 2933 MHz 3200 MHz 3733 MHz 3600 MHz 3800 MHz 3866 MHz 4000 MHz 4133 MHz 4300 MHz 4266 MHz	2400 MHz 2133 MHz 2666 MHz 2800 MHz 2933 MHz 3200 MHz 3733 MHz 3600 MHz 3800 MHz 3866 MHz 4000 MHz 4133 MHz 4300 MHz	400 MHz 333 MHz 266 MHz
RAM technology	DDR4	DDR4	DDR
Memory slots type	DIMM	DIMM	N/A
Maximum RAM size	64 GB	128 GB	32 GB
Number of memory slots	4	4	N/A
Memory channels	Dual	Dual	N/A
ECC	yes	yes	N/A
Non-ECC	yes	yes	N/A
Unbuffered memory	N/A	yes	N/A
Extreme Memory Profile (XMP)	N/A	yes	N/A

Technical details
Compatible processor series	Intel Core i3 Intel Core i5 Intel Core i7 Intel Core i9	Intel Celeron Intel Core i3 Intel Core i5 Intel Core i7 Intel Pentium	N/A
Maximum number of processors	1	1	2
Maximum number of SMP processors	N/A	1	N/A

BIOS
BIOS type	UEFI AMI	UEFI AMI	AMI
BIOS features	Multilingual BIOS UEFI BIOS SMBIOS 2.7 support Secure Backup UEFI Technology ACPI 6.0 support	Multilingual BIOS UEFI BIOS SMBIOS 2.7 support ACPI 6.0 support	DMI 2.3 support ACPI 2.0 support SMBIOS 2.3 support IPMI support
BIOS memory size	256.0 mB	128.0 mB	N/A
System Management BIOS (SMBIOS) version	2.7	2.7	N/A
ACPI version	6.0	6.0	N/A

Dimensions
Width	12.01 in	12.01 in	12.01 in
Depth	9.61 in	8.82 in	13.07 in

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