Motherboards lineup Revealed and Features explained

Asus X79 Sabertooth: The X79 Sabertooth is armed with Thermal Armor, Thermal Radar, Newer Digi+ Power Control, TUF components and Asus' SSD Caching.

There is a heat pipe connected from the VRM to the Stacked-fin MOSFET sink with a fan for active cooling. The fan will suck air in and blow through the the rear I/O and through the lower part of the heatsink.

One thing you'll have to keep in mind: This board uses Iron Ferrite chokes rather than Alloy Chokes.

The second is the Bios Flashback feature. You plug your flash drive with the newer UEFI and press the bios button on the rear I/O shield. Another beauty of this is that as long as the board is powered up even without the memory and the processor, the new UEFI will be flashed on the board.

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Asus Republic of Gamers Rampage IV Extreme: There are 4 digital controllers for CPU and Memory with finer frequency interval from 300 to 1100KHz, better Power Block MOSFETs that are more than 90% efficient at 15A and Black metallic chokes that are rated 50A. The board uses Japanese capacitors with better low endurance and 5times longer lifespan.

SubZero Sense lets you to connect 2 K- type Thermocouple to monitor temperatures via the Bios, TurboV Evo and the OC Key (you'll know about that when you read the stuff below), even on system standby.

OC Key has an iROG chip that does not have a sleep mode and collects the report from iROG chip on the board, that collects relevant information and controls from VGA Hotwire and Subzero Sense feature mentioned above.

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