The Sun StorEdge A3500 and A3500FC arrays are high-performance, RAID 5-capable data storage solutions for the enterprise. These advanced subsystems incorporate hot-swappable, redundant components, and dual controllers, making them high-availability solutions for OLTP applications. They are fully compatible with Sun StorEdge A1000 and D1000 arrays, which makes it easy to migrate from one solution to another as your needs change. And because performance and capability scale together, the Sun StorEdge A3500 and A3500FC arrays effortlessly support departmental systems, multi-terabyte data centers, and everything in between.In order to receive this product, customer returns four SPARCstorage Array 1XX with 25 GB of disk space, or two SSA 2xx with 50 GB of disk space, or RSM2000/A3000 system with 63 GB of disk space.