Today, ASRock released a M.2 SSD expansion card at CES 2018 that supports four M.2 SSD arrays and all four M.2 interfaces provide 32Gbps bandwidth.
ASUS has released a Hyper M.2 x16 expansion card, also supports four M.2 interfaces, but not enough is only up to M.2 2280 specifications, compared to ASRock Ultra Quad M.2 expansion The card supports up to four M.2 22110 SSDs.
Ascore said that Ultra M.2 M.2 slot expansion card slot design, each M.2 interface to the PCI-E interface line distance compared to ASUS horizontal arrangement shorter, with lower transmission delay .
The Ultra Quad M.2 expansion card enclosure comes with a 50mm diameter fan and 6pin independent power supply for NVMe RAID on Intel X299 and AMD X399 platforms for $ 69.99.
