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Asus Rampage IV Black Edition (X79) Motherboard Review

With its emergence as the new standard for high-speed portable devices, USB 3.0 performance on a modern motherboard needs to be good to ensure that data transferral bottlenecks aren’t created.

We tested USB 3.0 performance using an ADATA SP300 SSD connected to an Icy Box IB-223StU3 USB 3.0 enclosure (ASMedia ASM1051 controller). ATTO was the benchmark used.

USB 3

adata-sp300-(turbo)

Using ASMedia’s ASM1042 host controllers, USB 3.0 performance on the Rampage IV Black Edition is distinctly average. Fatigue to our test SSD has probably shaved a few MB/s from the Rampage IV Black Edition’s transfer rate.

Also valid is the possibility that the board’s ASM1184e PCI-E lane-splitting chipset may be introducing additional latency and losses into the PCI-E subsystem which has had a small effect on the performance of controllers feeding off it.

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