on Tuesday introduced three new triple-interface models of its External Hard Drive. The new drives feature FireWire 800 along with USB 2.0 and FireWire 400. All drives features 7200RPM disk mechanisms in capacities from 160GB to 400GB. The drives can be placed horizontally and stacked on top of each other or mounted vertically. They also feature Kensington security slots. Dantz Development Corp.’s Retrospect Express is included to enable Mac users to use the drive for backup and archival. The 160GB drive costs US$199, the 250GB drive costs $279 and the 400GB drive costs $429. Iomega’s Web site was not updated with information about the new drives as MacCentral posted this article, but the company indicated in a press release that the new drives should be available immediately.