Asus Maximus IV Extreme RoG review

Is this the best Sandy Bridge motherboard?

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We're only beginning to get to grips with the immense performance and overclocking headroom of Intel's new Sandy Bridge processors. It's therefore difficult to draw really firm conclusions about the comparative performance of the first compatible motherboards.

However, what we can say for sure is that the Asus Maximus IV Extreme RoG is making the most of the 2.0 revision of Turbo Boost that comes with Sandy Bridge. During testing, the Maximus runs an Intel Core i7-2600K processor at a constant 3.8GHz under load, regardless of the number of active cores.

Tech Labs

Tech labs

Bench 1

Bench 2

Bench 3

Bench 4


Tech Specs

Product TypeDesktop Motherboard
Chipset ManufacturerIntel
Chipset ModelP67 Express
Multi GPU SupportedSLI, CrossFireX
Number of PCI Express x16 Slots4
Memory TechnologyDDR3 SDRAM
Processor SocketSocket H2 LGA-1155
Brand NameAsus
Form FactorExtended ATX
Processor SupportedCore i7, Core i5, Core i3
Total Processor Supported1
Maximum Memory32 GB
64-bit ProcessingYes
Number of Memory Slots4
Audio Channels7.1
Gigabit EthernetYes
Number of SATA Interfaces8
RAID SupportedYes
Number of Total Expansion Slots6
Network (RJ-45)Yes
Total Number of USB Ports9
Number of USB 3.0 Ports1
PS/2 PortYes
Number of PS/2 Ports1
Total Number of Onboard USB Ports10
Number of Onboard USB 2.0 Ports8
PCI Express StandardPCI Express 2.0
Total Number of PCI Express Slots6
Processor TechnologyTurbo Boost Technology 2.0
Width304.8 mm
Depth269.2 mm
ManufacturerASUS Computer International
Product ModelMaximus IV Extreme
Product NameMaximus IV Extreme Desktop Motherboard
Controller TypeSerial ATA/600, Serial ATA/300
Manufacturer Part NumberMAXIMUS IV EXTREME REV 3.0
Manufacturer Website Address
Marketing Information

The Intel P67 Express is the latest single-chipset design to support new socket 1155 Intel Core i3/Core i5/Core i7 2nd generation processors. It provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. Additionally, the P67 provides 2 SATA 6Gb/s and 4 SATA 3Gb/s ports for faster data retrieval at double the bandwidth of current bus systems.