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i/o crest si-pex40129
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I/O CREST w/2x970Pro's WAY SLOW??
* I/O Crest SI-PEX40129 controller card * Slot 2 * Two m.2 970 Pro 512MB * Format RAID/0 HFS boot drive * 2010 cMP 5,1/12 core 3.46 GHz, * Boot ROM 140 * High Sierra 10.13.6(17G5019) Read/Write speeds are only 380/390MBs and should be in the 2000MBs. Any idea what I did wrong? I also tried a...