It may look like a normal 4-bay NAS, but it has a nifty trick up its sleeve. You may not be familiar with the name QSAN, but the company have been supporting the enterprise sector with FAS, SAN, NAS storage products since they were formed in 2004. The XN5004T is aimed more towards the SMB sector and is the entry level model in the company’s XCubeNAS XN5000 series, a model line-up that includes rackmount systems as well as tower NAS designs like the XN5004T.