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ASUS ROG STRIX B550-E Gaming & B550-F Gaming (WiFi)

M.2 PCIe Performance

We test M.2 PCIe performance using an Aorus PCIe Gen 4 2TB SSD. This SSD uses a Phison-based PCIe Gen 4 controller.

Full speed M.2 performance is easily obtained from the CPU-connected Gen 4 x4 slot. Of course, running any SSD through the chipset-connected M.2 slot will result in lower maximum transfer rates and the introduction of bandwidth headaches through the CPU-to-chipset link speed.

Thermal performance from the aluminium M.2 heatsinks was superior to the alternative design used by Gigabyte. The ASUS boards kept our heavily pushed SSD close to 50C and showed no signs of allowing the drive to go near its thermal throttling temperature.

USB 3.2 Gen 2 10Gbps Performance

We test USB 3.2 Gen 2 10Gbps performance using a PCIe NVMe SSD connected to a Sabrent SSD enclosure.

We comfortably managed a solid 1GBps from the chipset-fed USB 3.2 Gen 2 10Gbps ports on the ASUS ROG STRIX B550-F Gaming (WiFi).

As the B550-E Gaming does not have any chipset-fed ports on the rear IO, we could not test its speed capability. This is because there is a bug with our Sabrent SSD enclosure and the AMD Ryzen CPU-fed 10Gbps USB ports that is present on ALL vendors’ motherboards.

This is not ASUS’ fault and looks to be a Sabrent/AMD problem. It is certainly worth noting, however.

SATA 6Gbps Performance

For SATA 6Gbps testing we use a Crucial MX300 750GB SSD.

SATA performance is as we would expect from the chipset-fed ports.

Audio

Rightmark Audio Analyser is a freeware benchmarking utility designed to objectively test the performance characteristics of audio solutions. We setup a line-in line-out loop and execute the record/playback test before generating the results report you see below. A sampling mode of 24-bit, 192 kHz was tested.

Both motherboards get ‘Very Good’ overall ratings from Rightmark Audio Analyzer for their SupremeFX-based solutions.

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