Tailored for networking and datacom apps, the AHF series 650W front-end power supplies now includes a 12-Vdc version with active PFC and 3.3-Vdc auxiliary standby power. Measuring 3.07” X 1.57” X 12.38”, the units deliver up to 53.3A across an ac-input range from 90 to 264 Vac. In their 1U x 2U format, up to five modules can reside in a standard 19” rack in a 1U high profile. Pricing for the 12V models starts below $200 each/1,000. MARTEK POWER, Torrance, CA. (310) 202-8820.