Just use a FireWire 800 to 400 adapter, they are passive and therefore are very cheap. One option is Apple's Thunderbolt to Firewire adapter. It's Thunderbolt 2 though, and FireWire 800, so you have a ...

It comes with USB 2.0 and FireWire 800 ports (and a FireWire 400 adapter), plus enough space to back up any MacBook or MacBook Pro twice over. Rugged construction, flexible interfaces, good bang for ...

3 external, 1 shared internal FireWire400 port, with supported data transfer rates up to 400 Mbps Compliant with IEEE 1394a 2000 as well as 1394-1995 standards Includes Low Profile installation ...

OWC’s Mercury On-The-Go FireWire 800/400 + USB 2.0 is a Mac-ready, fast, bus-powered portable hard drive that eschews style for substance. Equipped with USB, FireWire 800, and FireWire 400 connection ...

While Apple's new adapter can be attached to a computer by its FireWire connection, it will not provide Thunderbolt over FireWire. Topher Kessler MacFixIt Editor Topher, an avid Mac user for the past ...

i could be wrong, but my iMac only shows one firewire bus in System Profiler. so it may just come down to whatever's convenient wire-wise.

PCI Express(R) Card Offers Four USB 3.0 Ports Plus Three FireWire(R) 800 Ports, Supports Storage, Hubs, and Other Devices IRVINE, Calif. -- Sept. 17, 2013 --Sonnet today introduced the Tango(TM) 3.0 ...

Awaking from a winter’s slumber, Apple released a slew of new products Tuesday, covering everything from Time Capsule and AirPort Extreme to the Mac mini, iMac, and Mac Pro lines. The updates also ...

The Iomega eGo BlackBelt Mac Edition ($199.99 list) is a large capacity 1TB portable hard drive for Mac laptops and desktops. It's Time Machine-compatible, so it works right out of the box. It comes ...