Main control chipset: JMB582. The PCI-E slot is 1x and also support 4x/8x/16x... Supoort SATA NGFF Key B+M SSD with 2230/2242/2260/2280..
Applicable slot: NGFF Key B+M SSD to PCI-E Host.. It has PCI-E 1x interfaces, which can be connected to two SSDs, and supports desktop motherboard PCI-E port.