PROMISE SANLink2 (SLE2002TNAA) 20 Gb/s Thunderbolt 2 to 10GBase-T Ethernet Bridge Adapter Type: 10Gigabit Ethernet Card Color: Black Specifications: Protocols: SCSI-FCP, FCP2 External Ports: 2 x 10GBase-T Ethernet ports Thunderbolt Ports/Host Bus Type: 2 x 20 Gb/s Thunderbolt 2 ports (daisy-chained device support) Transfer Rates: Full duplex @ 10 Gb/s Auto-negotiate with 1 Gb/s LED Indicators: 2 x LEDs: Green: Link status Amber: Link speed OS Support Mac OS X 10.8.5, 10.9 (Mavericks) or later Windows (OEM only) Parts: 3 Year Labor: 3 Year