Sonnet Echo Express SEIIIe Thunderbolt 3 Edition (3-Slot PCIe Card Expansion Chassis)

Connects three pcie cards to any mac with thunderbolt 3 ports-use multiple high-performance pcie cards at the same time Three pcie 3.0 slots-supports three full-height, half-length+ (up to 7.75 inches long) 40gbps thunderbolt 3 interface-offers 2750 mb/s of pcie bandwidth, doubling the performance of thunderbolt 2 Two thunderbolt 3 (usb-c) ports-one port reserved for connection to the computer See Computer Compatibility at Bottom of Page, Includes 2-year warranty and free lifetime customer support since 1986