Key Features:
Requires NUC 14 Pro (NUC14RVH) Adds a 2.5 Gb/s Ethernet LAN Jack
Networking I/O: 1x 2.5Gb Ethernet (RJ45) 
System Connection: PCIe (Unspecified Interface) x16
OS Compatibility: Windows
Package Weight: 0.16 lb
Box Dimensions (LxWxH): 5.4 x 4.1 x 1.2"