The LTNG-XQ-RM is a quad (4) slot Thunderbolt 2 to PCIe adapter featuring dual TB2 bridge controllers (two TB2 connections to host computer required) in an easy to install rackmount product. Self powered with a 460W power supply and cooled by a quiet but powerful internal cooling system, it will accommodate up to four compatible full-height/full-length x16 (x4 electrically) PCIe cards including powerful graphics cards. Of course the LTNG is also expandable by daisy-chaining to additional TB2 compatible devices. Also available with internal 8 disk-ready RAID storage system as LTNG-XQ-8-RM.