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| Yes, PCIe drives are rather expensive, but SSDs are breaching SATA 3's 6 Gbps in RAID, so the PCIe bus is currently the only way to get past this limit. SATA Express (or SATAe) 3.2 will combine both SATA and PCIe to reach 16 Gbps.
Unfortunately, there are no SATAe drive or motherboard or chipset at the moment, even though SATA 3.2 was ratified back in 2013, and even worse, there are no announcement of upcoming or future SATAe devices by anybody, not even Intel, which seems very strange to me. Asus has a SATAe motherboard prototype with unfinished custom connectors, but nothing available yet. | |
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