Think Server SA120 direct attach storage offers enormous expansion, with twelve 3.5" high capacity front-panel drive bays, up to two I/O controllers & four optional rear-panel 2.5" SSD drive bays to improve throughput. Coupled with Think Server host servers configured with LSI Cache Cade technology, these SSD drives enable the Think Server SA120 to provide additional cache, low latency & deliver amazing IOPS improvements. This clever, scalable design provides an optimal tiered storage solution.