The M.2 NVMe + M.2 SATA SSD PCIe x4 Adapter is a unique product with 2 very different M.2 Slot. It can offer the fastest boot or data access thru the NVMe SSD and at the same time provide very fast storage through the M.2 SATA SSD. It provides the link between PCIe 4 lanes of data path straight to the NVMe SSD resulting in super-fast data transfer and another M.2 interface for your M.2 SATA SSD. This adapter allows for flexible installation of an M.2 (NGFF) of different size like 42, 60, or 80mm in length with varying capacity. This M.2 adapter will give you the best performance possible for your system. 
 
Model:     UGT-M2PC200
 
Primary M.2 Type:     NVMe or AHCI SSD using M Key only
Secondary M.2 Type:     SATA SSD using B Key
M.2 size:     Length support 22x42mm, 22x60mm or 22x80mm
Internal Interface:     2 x M.2 (NGFF)
PCIe Interface:     PCIe v3.0 or PCIe v2.0 x4 (4 lanes)
Power:     PCIe Bus powered (3.3V)
Dimensions:     5.8 x 4.7 x 0.7 inches / 148 x 120 x 17 mm
Weight:     3 oz. / 85 g
 
 
System Requirements:
For booting, system requires UEFI BIOS with booting support 
Available system board PCIe x4 or x8 or x16 slot
OS support like Windows® 7/8/8.1/10 (Windows 10 preferred), or Linux (Latest Kernel) 
 
 
What's Included: M.2 NVMe + M.2 SATA SSD PCIe x4 Adapter, Mount and Screws set, Low Profile Bracket, Quick Installation Guide