A backplane is a board that adds new connectors (for memory, storage, additional processing, etc.) to an existing configuration. They are often used to save space, or to provide a more reliable connection than a cable.?The?SuperMicro BPN-SAS3-826EL1 backplane?is built to provide?12 3.5″ SAS?connections for your?SuperMicro CSE-826?configuration.?This?SuperMicro BPN-SAS3-826EL1 Backplane?has been removed form a working unit, tested for complete functionality by our expert in-house?SuperMicro?Certified Technician, and is ready to ship today!Purchase with confidence, as the photos above represent the exact quality of your items which are bundled with our?90 Day warranty.*Please note, we have additional SuperMicro BPN-SAS3-826EL1 Backplanes 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 your lightning fast IT needs!