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 (no longer for use as a GPU chassis)
One PCIe 3.0 x8 Slot—Supports one half-length+ (as much as 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 at the desktop, but big enough to improve just about each Thunderbolt-compatible PCIe card, at full performance
Two Thunderbolt 3 (USB-C) Ports—One port reserved for connection to the pc; second port supports daisy-chaining of as much as five additional Thunderbolt(5) devices for your computer, attaching a single USB(6) peripheral device, or connecting as much as two 4K displays or one 5K display(4)
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis (Echo-EXP-SE!-T3)
Amazon.com Price: $316.67 (as of 08/05/2025 09:42 PST- Details)
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
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