M.2 stands for Next Generation  Form Factor which is invented for PCI-SIG by Intel  and it is developed for flat and high-efficiency equipment such as Ultrabook™  or Tablet PCs. It is a natural transition from the  Mini Card and Half Mini Card to a smaller form factor in both size and volume  which supports multiple function add-in cards/modules including: Wi-Fi,  Bluetooth, global navigation satellite systems, near field communication,  Hybrid digital radio, wireless gigabit alliance (WiGig), wireless wide area  network and solid-state storage devices. Also adds functionality to USB 3.0,  display Port, SDIO and SSD-PCIe.
      P16S-P16F is an extender board for M.2 (NGFF)  SATA-SSD.
Design the FFC (Flat Flexible Cable) cable for flexible use.
Design type 2242 dimension M.2(NGFF) golden finger for 
Socket 2 SATA-base Key B/B+M  slot.
Can support all dimension of SSD cards: 2230, 2242, 2260, 2280, 22110.
The extender is designed to minimize the signal degradation effects of the  extender by proven design techniques. 
It’s also a powerful tool for engineers and factory tests.