Today conventional servers are generally used for Ceph deployments, but an interesting emerging technology is that of embedding a compact system right onto a drive's electronics board, including dual Ethernet interfaces. One can think of these novel assemblies as disk drives that run Linux onboard. As each only needs to power a single OSD, their modest processors and bandwidth are sufficient. An OSD chassis, instead of being an expensive general-purpose computer, becomes effectively a disk array with an embedded network switch. These microserver drives are not yet widely available or implemented, but hold promise for interesting, scalable, modular Ceph systems of tomorrow.