Dual-Slot Thunderbolt 3 PCIe Expansion Chassis
Connect two compatible PCIe cards to a Thunderbolt 3 or Thunderbolt 4 computer with an external aluminium chassis providing PCIe 3.0 x4 connectivity and DisplayPort output.
Key features
Two external PCIe card slots
Install up to two compatible single-slot PCIe cards measuring no more than 203mm in length.
Thunderbolt 3 and 4 host support
Connect the chassis to a compatible Thunderbolt 3 or Thunderbolt 4 computer using the supplied host cable.
PCIe 3.0 x4 bandwidth
The two mechanical x16 slots are electrically PCIe 3.0 x4 and dynamically share up to 32Gbps.
Integrated display connectivity
DisplayPort 1.4 and a downstream Thunderbolt port support compatible display configurations up to a single 8K/5K 60Hz or dual 4K 60Hz.
What to know
Expand systems without internal slots
Add compatible capture, networking, storage, audio or other PCIe expansion cards to selected laptops and compact computers.
Powered, cooled enclosure
A 120W external power adapter and active fan support installed cards; each slot provides 25W, with up to 40W available when a card uses the internal SATA power connector.
Australian version with official StarTech.com warranty
2-Year manufacturer warranty
This is the Australian version supplied by DeviceDeal and is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep your DeviceDeal invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms and product assessment.
StarTech 2TBT3-PCIE-ENCLOSURE FAQ
What does the 2TBT3-PCIE-ENCLOSURE do?
It lets a compatible Thunderbolt 3 or Thunderbolt 4 computer use up to two supported PCIe expansion cards externally.
How many PCIe cards fit in the chassis?
It supports up to two single-slot cards measuring no more than 203mm in length.
Are the slots full x16 electrically?
No. They use mechanical x16 connectors but operate electrically at PCIe 3.0 x4.
Can I install a graphics card?
No. StarTech states that graphics cards are not supported.
How much bandwidth is available?
The slots dynamically share up to 32Gbps, with listed per-slot performance up to 21.6Gbps or 2700MB/s.
What display output is available?
The chassis provides DisplayPort 1.4 and a downstream Thunderbolt port for compatible displays, subject to host and display capabilities.
Does the enclosure need drivers?
The enclosure itself is driverless, but installed PCIe cards may require manufacturer drivers.
What warranty covers the 2TBT3-PCIE-ENCLOSURE?
This Australian-version product is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep the DeviceDeal invoice as proof of purchase; claims remain subject to StarTech.com terms and assessment.
