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ASRock X99 Extreme6 Motherboard

ASRock X99 Extreme6

ASRock X99 WS Motherboard

Supermicro X10DRW-E Motherboard

Supermicro X10DRW-E

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General
Motherboard type	ATX	ATX	N/A
Processor socket	LGA 2011	LGA 2011-v3	LGA2011-v3

Memory
Supported memory bus clock	1600 MHz 1333 MHz 1066 MHz 1866 MHz 2133 MHz 2800 MHz 2933 MHz 2400 MHz 3000 MHz	1600 MHz 1333 MHz 1066 MHz 1866 MHz 2133 MHz 2800 MHz 2933 MHz 2400 MHz 3200 MHz	2400 MHz 1600 MHz 1866 MHz 2133 MHz
RAM technology	DDR4	DDR4	DDR4
Memory slots type	DIMM	DIMM	N/A
Maximum RAM size	128 GB	128 GB	2 TB
Number of memory slots	8	8	N/A
Unbuffered memory	yes	yes	N/A
Memory channels	Quad	Quad	N/A
ECC	no	yes	N/A
Non-ECC	yes	yes	N/A
Extreme Memory Profile (XMP)	N/A	yes	N/A

Technical details
Compatible processor series	Intel Core i7	Intel Core i7	N/A
Maximum number of processors	1	1	2
Maximum number of SMP processors	N/A	1	N/A
Data bus transfer rate	N/A	N/A	9.6 GT/s

BIOS
BIOS type	UEFI AMI	UEFI AMI	AMI
BIOS features	SMBIOS 2.3.1. support ACPI 1.1 support Untied Overclocking Technology Secure Backup UEFI Technology	Multilingual BIOS SMBIOS 2.3.1. support ACPI 1.1 support Untied Overclocking Technology Dual BIOS Secure Backup UEFI Technology	UEFI BIOS ACPI 4.0 support SMBIOS 2.7.1 support IPMI 2.0 support
BIOS memory size	256.0 mB	16.0 mB	N/A
ACPI version	1.1	5.0	N/A