The Technorack series of Seismic Zone 4 cabinets can withstand large amounts of shock and vibration, suiting them for heavy-duty indoor applications. Made of a rugged cold rolled steel frame with reinforced structural steel corner angles, they come in heights from 15U to 47U, widths up to 1200 mm, and depths up to 1000 mm. They've been tested with a static load capacity of 2000 lb in accordance with NEBS Zone 4 and GR-63-CORE standards in three manually perpendicular axes—from front to back, side to side, and vertically. Dynamic load-carrying capacity is 1600 lb. Pricing starts at $1000, and lead time is within four weeks.