ASUS ROG Maximus XII Extreme Review 15

ASUS ROG Maximus XII Extreme Review

CPU Performance »

Storage Interfaces

Storage Support
SATA:8x 6 Gb/s Intel Z490
ASMedia ASM1061
M.2 (32 Gb/s):4x* PCIe 3.0 x4, SATAIntel Z490
USB (rear):6x USB 3.2 Gen1
2x USB 2.0
4x USB 3.2 Gen2 10 Gb/s
1x USB 3.2 Gen2x2 20 Gb/s
Intel Z490
ASMedia ASM3242
USB (internal):4x USB 2.0
4x USB 3.1 Gen1
2x USB 3.1 Gen1 Type-C
Intel Z490
ASMedia ASM1074
ASMedia ASM3142

Storage Performance

The ASUS ROG Maximus XII Extreme has an excellent complement of storage options, with lots of USB options, eight SATA ports, a total of four M.2 slots, and even a Thunderbolt expansion card.


The ASUS ROG Maximus XII Extreme uses four ASMedia controllers to add extra storage connectivity.

HDTune Pro (SATA 6 Gb/s)



HDTune Pro (USB3.0 Front Panel)



HDTune Pro (USB 3.1 Type-C)



HDTune Pro (NVMe M.2)

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