We updated our systems and no longer have a need for these. Help me find them a new home.
Info from Promise website:
System Highlights

• SANLink2 10GBase-T connects a Mac Pro, MacBook or Windows HP Thunderbolt 2 devices to the local network to access shared media
• Revolutionizes how creative professionals connect from a Thunderbolt 2 device to a Fibre Channel SAN or directly to Ethernet
• Built to maximize the available line rate of Thunderbolt 2
• Access to low-latency, high-bandwidth storage reduces file load times, allows for instantaneous response time during timeline scrubbing, and reduces the amount of time required for large media file transfers
• A complete out-of-the-box solution, simply plug in your SANLink2 with a power adapter into a Thunderbolt port
• SANLink2 10GBase-T ports can be used to connect a Thunderbolt 2 enabled Mac Pro, MacBook Pro, MacBook Air, or iMac directly to 10Gbps Ethernet network using a high-speed Thunderbolt 2 I/O port
• Supports PROMISE VTrak Series and OS X
• Supports OS X while maintaining a quiet and small environmental footprint
• Quiet, cool, and small environmental footprint
• Thunderbolt cable included

Benefits

• Streamline workflows for creative professionals
• Remove storage bottlenecks for portable and desktop systems that were once unable to connect directly to a Fibre Channel SAN
• Edit files in real time in native uncompressed formats