RXD1215sas Reliable, scalable SAS storage expansion unit Massive scalability up to 180 drives Up to fifteen RXD1215sas can be connected to the dual RC18015xs+ computing nodes1, accommodating massive scalability up to 180 drives and maximum raw storage beyond 1PB2. The shared storage architecture eliminates the need for data replication over the network, in addition to drastically reducing deployment costs. 15 180 1440TB Expansion units Drive bays raw storage Hardware redundancy enhances system uptime RXD1215sas is equipped with redundant hardware com model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS