Vantec CB-U320GNA User Guide - Page 5

 Supports advanced link down power saving when Ethernet cable is unplugged  Supports ACPI, APM, OSPM, and Wake-on-LAN  Supports jumbo frame up to 9K bytes  USB Cable Type A & 2 x RJ45 connection  LED indicators for Ethernet connection  Support Windows XP, 7, 8, 8.1 / Mac OS X 10.8 or Greater / Latest Linux kernel Software Offload  Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (Large send v1 and Large send v2) support IEEE  Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control CB-U320GNA Page 5