Sonnet Echo Express SE I interface cards/adapter PCIe

Connects a PCIe Expansion Card to Computers Without Slots-Use high-performance PCIe cards with any Mac or Windows PC with a Thunderbolt 3 port (not to be used as a GPU chassis) One PCIe 3.0 x8 Slot-Supports one half-length+ (up to 7.75 inches long), full-height, single-width PCIe card (plus one daughter card) 40Gbps Thunderbolt 3 Interface-Offers 2750 MB/s of PCIe bandwidth, doubling the performance of Thunderbolt 2 Full Performance In a Small and Light Design-Takes up little space on the desktop, but large enough to support nearly every Thunderbolt-compatible PCIe card, at full performance Two Thunderbolt 3 (USB-C) Ports-One port reserved for connection to the computer; second port supports daisy-chaining of up to five additional Thunderbolt(5) devices to your computer, attaching a single USB(6) peripheral device, or connecting up to two 4K displays or one 5K display(4)