Results: HD Tach SATA-6G and USB 2 and 3
HD Tach Hard Drive and USB

This aging, but still useful benchmark takes a closer look at HD and USB performance.  Both USB 2.0 and 3.0 performance was tested using the Sharkoon USB 3.0 HD Dock and a fast 1TB 7200 RPM drive.  A second drive was used for SATA-6G performance figures rather than just using the boot drive.

HD Tach SATA-6G

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  1

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  2

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  3

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  4

HD Tach USB 2.0

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  5

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  6

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  7

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  8

HD Tach USB 3.0

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  9

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  10

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  11

Asus Crosshair IV Extreme: More Lucid for AMD - Motherboards  12

In an interesting switch, the Extreme board shows a marked increase in burst reads over the previous boards in SATA-6G mode.  The Extreme also shows a small improvement in USB 2.0 speeds over the Formula, but it is pretty minimal.  The SB850 southbridge has been out for quite some time now, and between BIOS enhancements and a fairly recently refreshed AHCI driver from AMD, it is a very solid I/O controller.


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