Tripp Lite Sr42ubexp Rack Enclosure Server Cabinet No Sides – 42u – 19″ – 19″ 42u. Country of Origin: China. This item is brand-new, factory sealed. SmartRack enclosures are designed for secure, high density server and networking applications in IT environments. Designed with provisions to integrate cooling, power distribution and cable management, SmartRack enclosures make ideal homes for mission-critical equipment. Vendor-neutral square hole/cage nut mounting for guaranteed compatibility with all EIA-310-E compliant 19 equipment. Toolless mounting slots allow quick installation of PDUs and vertical cable managers. Adjustable mounting rails include an easy-view depth index to eliminate time-consuming measurements. SmartRack enclosures hold up to 3000 lbs and support cooling, cable management, power distribution and monitoring features that keep critical servers and network equipment operating nonstop. Tripp Lite by Eaton. SR42UBEXP Rack Enclosure Server Cabinet No Sides – 42U – 19. Eaton Tripp Lite Series 42U SmartRack Expandable Standard-Depth Server Rack Enclosure Cabinet – side panels not included (SR42UBEXP). This product is not eligible for return. Read our full policy. We focus on making purchasing online a pleasant experience. Our sales office is located in beautiful town of Redondo Beach, California, just a few miles South of Los Angeles International Airport. We do not stock any inventory at our sales office. Why are our prices so low? We have modeled our business much like a wholesaler. We sell in huge volume and have streamlined our operations to provide you with the best combination of price and service available anywhere.