Data storage systems are used to store, protect and manage computer data.

RAID disk arrays are collections of storage disks with integrated controllers to manage the storage of data

RAID controllers are computer boards that control RAID systems

RAID products include component within a RAID system, such as RAID controllers and RAID disk arrays.

IEEE 1394 products, FireWire^® use an interface standard developed  by Apple Computer and adopted by the the Institute of Electrical and Electronics Engineers (IEEE) for very fast digital data transfers.

Hard drives are integral, non-volatile, electronic data storage units inside computers.

PCI Express products (PCIe products) use a computer protocol and interface format which communicates more quickly than peripheral component interconnect (PCI), a standard which PCIe is designed to replace.