IBM(R) 3.5-inch 1 TB SATA II HDDs provide highest capacity and performance for storage in System x, BladeCenter, and Storage and I/O Blade systems The addition of 1 TB HDD offerings to the IBM System x and BladeCenter family of 3.5-inch SATA II drives offers the highest performance options and provides a wider selection of choices to satisfy a wide range of applications. These new drives are positioned at the top of our SATA HDD line. These two 1 TB SATA II HDDs provide 3.5-inch form factor options that are available as single-port hot-swap or dual-port hot-swap configurations. Key features and benefits include: -Up to 7,200 rpm speed to help optimize performance.-Outstanding reliability that enables operation in RAID environments without compromising application performance or availability.You can put together a winning combination for data-storage applications when you install these new high-performance SATA HDDs in your IBM System x, BladeCenter, and blade I/O configurations. Performance 1 TB performance characteristics include: -Formatted capacity of 1,000,000 MB. -Drive to host interface that supports up to 3.0 Gb/s burst rate. -Drive media to buffer interface that supports sustained interface data transfers of up to 112 MB/s average.-Spindle speed of 7,200 rpm. -Average latency of 4.17 ms. -Average seek on reads of less than 9 ms. -Hot-swap capability.-SAS interface with dual port option. Reliability -SAS compliance enables these HDDs to connect directly into System x, BladeCenter, and storage and I/O blades. -S.M.A.R.T Technology allows software utilities to alert you of certain impending drive failures so replacements can be made before a problem occurs. -Rigorous testing through the ServerProven program instills confidence that your storage subsystem is compatible and will function reliably. -The HDDs come with a one-year, limited warranty.