LaCie has launched its fourth-generation range of external hard drives. Capacity ranges from 160GB to 2TB in an "ultra-compact" metal enclosure. The drives offer transfer rates of 88MB/s per drive and 800Mbits/s per bus. The d2 Extreme offers FireWire 800, FireWire 400, and USB 2.0 connectivity. The drives make it easy to daisy-chain, stack, stand upright or rack-mount multiple units. "LaCie d2 Extreme drives are ideal for audio/video editors who demand professional performance to edit, store and exchange large projects, even in cross-platform environments (Mac and Windows). Home users will benefit from the d2 Extreme’s ease of use." No software or drivers are needed.

LaCie d2 Extreme drives comes in the following three case sizes:

LaCie Bigger Disk Extreme for professional use comes in a compact 5.25’’ 2U design and offers fast data transfer rates of up to 88MB/s and 800Mbits/s per bus with FireWire 800. Drives feature special new pipes that help draw heat away from the hard drive, as well as automatic temperature-controlled smart fans that shut off when not needed making them even quieter than previous generation Bigger Disk Extremes. Available capacities include 1TB ($900), 1.2TB ($1100) and 2TB ($2300).

LaCie Big Disk Extreme for professional use comes in a compact 5.25’’ 1U design and offers the same fast data transfer rates and heat dissipation features as the Bigger Disk Extreme. Available capacities include 1TB ($1200), 600GB ($480) and 500GB ($400).

LaCie d2 Extreme for home use comes in a compact 3.5’’ 1U design and offers data transfer rates of up to 64MB/s with FireWire 800. Drives are equipped with standard heat dissipation features, though no fan is needed in this single-drive model. Available capacities include 160GB ($180), 250GB ($220),
300GB ($260) and 500GB ($600).