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ATTO Disk Benchmark
The ATTO disk benchmark is a Windows-based utility for testing storage performance of any storage drive or controller. We use the default benchmark setup.
M.2 PCIe Performance
For M.2 testing we use a Toshiba OCZ RD400 256GB M.2 PCIe NVMe SSD.
M.2 performance is as expected for the 32Gbps PCIe 3.0 X4 link and the M.2 heatsink does an adequate job of keeping thermals out of the throttling zone, even under prolonged (10 minutes +) stress testing.
It's not the most effective M.2 cooling solution as we often see temperatures in the low-60s, not high-70s, but it should prevent the worst of any thermal throttling.
USB Performance
We test USB 3.0 and 3.1 performance using a pair of Transcend SSD370S 512GB SSDs in RAID 0 connected to an RaidSonic Icy Box RD2253-U31 2-bay USB 3.1 enclosure powered by an ASMedia ASM1352R controller.
USB performance was standard fare for both USB 3.0 and 3.1
SATA III 6Gbps Performance
For SATA 6Gbps testing we use an OCZ Trion 150 480GB SSD.
SATA performance was equally typical.
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 is tested where available. If unavailable the closest alternative operating mode available is used and clearly marked.
Audio performance was very good across the range of tests and reflects the quality of the ALC1220 codec. ASUS has implemented the codec well and the dual operational amplifiers is a nice touch for headphone users too.
