A RAID controller allows your computer to treat an array of drives as a single logical unit, speeding up data storage and providing redundancy in case one drive fails. The Dell KMCCD RAID Controller (a PERC H730 Mini Monolithic controller) is built to manage up to 32x SAS??connected drives over two x4 internal SAS ports. It connects to your Dell PowerEdge Servers via its high??speed PCI Express 3.0 connection and ensures speedy storage with its generous 1GB Non??Volatile Flash??Backed Write Cache. This HPE J8693A Switch has been tested for complete functionality by our expert in??house Certified Technician and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our 90 Day Warranty. *Please note, we have additional refurbished HPE Switches in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning??fast IT?needs!