Compaq packs 3-kVA UPS in 3.5-inch space

HOUSTON, TEXAS — Compaq Computer has introduced the UPS R-3000 XR, one of the industry’s first 2U (3.5-inch) rack-mount uninterruptible power supplies (UPSes) offering 3 kilovolt-amperes per 2.7 kilowatts, thus qualifying it as one of the small