Fusion-io, Inc. was a computer hardware and software systems that designs and manufactures products using flash memory technology. The Fusion ioMemory was marketed for applications such as databases, virtualization, cloud computing, big data.They are suitable for I/O-intensive applications that require a high number of possible I/O operations per second (IOPS). Fusion-io ioDrives come at Capacities: 160 GB (SLC), 320 GB (MLC), 640 GB (MLC) Supports Operating Systems: 64-Bit Microsoft Server 2003/2008, 64-Bit Microsoft Windows XP/Vista/Win7, RHEL 4/5, SLES 10/11, OEL v4/v5,Debian and Ubuntu cores, supports Cache: Fusion-io ioDrive does not use DRAM cache such as in hard drives or SSDs. Therefore, cache content will not be lost in case of a power failure, CPU: the ioDrive does not have its own CPU, Monitoring: by fio-snmp-agentx SNMP Agent.