The Isilon IQ 5400S delivers more than 1 million IOPS from a single file system - 10X more than the leading traditional NAS Fiber Channel solution - and over 30 gigabytes per second ( GBps ) of aggregate throughput from a single file system . With its significant transactional performance increase , the 5400S enables enterprises to properly support mission-critical applications , accelerate business processes and speed time-to-market , while empowering verticals such as media and entertainment and design and simulation with the efficient high-performance their process-heavy workloads require . Combining 15,000 RPM Serial Attached SCSI ( SAS ) drive technology , Quad-Gigabit Ethernet front-end networking , high performance InfiniBand back-end node interconnects , and up to 16 gigabytes ( GB ) of globally coherent cache per node with Isilon 's OneFS operating system , the S-Series delivers the highest performance scale-out NAS system for the most data-intensive file-based applications .