The houses one PCIe card; insert the card into the Chassis, connect the Chassis to your Mac's Thunderbolt port, and you can use the card. The Chassis will be available in two sizes, one size to house half-length cards, and another size for full-length cards.

The Magma is also a PCIe card adapter box, but it houses up to three PCIe cards, not just one. Magma also includes a travel bag, in case you decide to bring it along with your Thunderbolt-equipped MacBook Pro or MacBook Air.

Several other Thunderbolt products were on display at the Advanced Technology Zone in IDF. The Matrox is designed to work with the company's current lineup of video editing devices (Thundebolt-equipped MXO2s will be available in September). The Promise is a Fibre Channel-to-Thunderbolt adapter that allows Macs to connect to high-speed Fibre Channel SANs.

The LaCie was one of the , but it has yet to hit the market. If you don't have a 17-inch MacBook Pro but would like to use ExpressCard/34 expansion cards, the $150 Sonnet is what you need. It allows you to use ExpressCard/34 cards via Thunderbolt.