http://www.macnn.com/articles/04/01/12/acuta.4.raid.solution/
Accusys launches Acuta 4 ATA-based RAID solution
updated 12:15 am EST, Mon January 12, 2004
Acuta 4 RAID solution
, a newly designed ATA external solution with both Firewire 800 and USB 2.0 as well as S-ATA support. The driverless 4-disk array supports 4x ATA-100/133 drives with RAID 0, 1+0, and 5+spare support. The hot-swappable disk supports up to 2TB of storage, offers 2MB of on-board cache, and LED indicators for disk status, fan status, power. It also features GUI support for system status monitoring (via an RS-232 port) and event notification through an audible alarm or email. The $1000 system is shippping now in the US.
