2X M.2 SSD to U.2 Adapter 2In1 M.2 NVMe and -Bus NGFF SSD to PCI-E U.21100 High speed signal enhancement technology, SFF-8639 U.2 Transmission Protocol.
Support NVME SSD & SATA NGFF SSD
Two groups of 5A high-power DC to DC power supply modules.
High elasticity connector, strong connection, durability, stability and earthquake resistance, and hardware protection.
Note: Two disks can work at the same time, but U2 X16 expansion card must be .

B: m.2 NGFF of SATA protocol; Usually there are two space (supported by this product).
M key: m.2 NVME of pcie protocol; Usually a space (supported by this product).
M.2 disks can be used only if they have NVME or SATA label on them.
Specifications:
Name: M.2 to U.2 expansion card.
PCI-E3.0 X4 GEN3
Transmission speed: U2 SFF-86
type: without shell
colour: black
Material: PCB
Size: 96x65mm

Package Contents:
2 x adapter plate
2 x screwdriver (random colors, don't accept the specified color)
2 pack x Screws