LaCie d2 Hard Drive Extreme with Triple Interface
We couldn't have picked a better product for our first look at a FireWire 800 external hard drive than LaCie's 250GB d2 Hard Drive Extreme. It's handsome, built like a tank, wonderfully quiet, capacious, and extremely fast. It's also priced on a par with mainstream competition from and Maxtor, though it trumps them with the versatility of three interfaces: USB 2.0, FireWire, and sizzling FireWire 800.
Standing vertically at about 6.25 inches high and about 1.7 inches wide (the base is a stabilizing 2.3 inches wide) the matte silver Extreme is undeniably attractive. The front panel sports only a large but subdued blue power switch/activity light; however, the d2 Extreme's versatility is evidenced by a heavily populated back panel, with two FireWire 800 ports, a single FireWire 400 port, one USB 2.0 port, a Kensington lock port, an AC jack, and a heat-dissipating vent.
As you can gather from the port list, FireWire 800, a.k.a. IEEE 1394b or FireWire B, and its IEEE 1394a predecessor aren't physically compatible in their pure forms, though the new spec does provide for "bilingual" type connections, which the LaCie drive doesn't implement. The higher 100MB per second bandwidth of 1394b comes with the help of two additional wires to assure signal integrity, plus an extra wire for future expansion, hence, FireWire 800 cables and connectors use 9 pins instead of IEEE 1394a's 6 (or 4 without the two wires that provide bus power). But it's also backward-compatible, so you can use 9-pin to 6-pin and 9-pin to 4-pin adapters that ignore the extra wires, though you'll be operating in 1394a mode. Unfortunately, motherboards and PCs that support FireWire 800 are as rare as hen's teeth these days, so, unless you're buying a newer Mac, you'll probably need an adapter such as the Adaptec FireConnect 8300 we used for our testing.