Comprising 2- and 4-bay tower NAS devices, models AS5002T, AS5004T, AS5102T and AS5104T are equipped with 2.41 GHz dual-core Intel Celeron CPUs or 2.0 GHz quad-core Intel Celeron CPUs and 1 or 2 GB SO-DIMM DDR3L memory (expandable to 8 GB max). Automatic burst function lets CPU to increase its frequency to 2.58 and 2.41 GHz, while smart fans automatically regulate system temperature for stable operation. Automatic smart system sleep mode, instant wake, and ADM 2.3 OS are standard.