Seagate ST4000NM0255 4TB SAS 6Gb s ES 7200RPM 128MB 3.5 512e SED Bare

3.5-inch enterprise drive with industry-leading conventional magnetic
recording (CMR) technology
Advanced Write Caching feature enables up to 100% performance improvement in
random writes over last-generation drive
12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and
4Kn) for easy integration into replicated and RAID multi-drive storage servers and
systems
State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-toend SAS-based data integrity for accurate data storage
Industry-leading rotational vibration design helps ensure consistent performance in
dense multi-drive systems
Engineered for 24x7 workloads of 550TB/yr
Robust performance with dual processors, ramp load technology, top-cover-attached
motor and humidity sensor for optimum performance in all chassis
On-demand PowerBalance™ feature available for lower power/performance in
random read/write environments
Seagate Secure® Self-Encrypting Drive featuring Instant Secure Erase for cost-saving
drive retirement and secure data-at-rest protection
Seagate SeaTools™ diagnostic software to provide drive self-tests ensuring no
unnecessary downtime and maximizing TCO