3.5 "HAS5300HDD SAS HDD SAS Enterprise for SynologyStudiate systems for top performance and reliability in the Synologygrazies systems to the excellent integration with DSM and the Hardware Synology, the hard disks Has5300 Sas systematically ensure sector leading performance in the Enterprise installations. The HAS5300 units come Subjected to 200,000 hours of rigorous test on the Hardware Synology, they boast a 2.5 million hours MTTF and are covered by a five -year -old Synology limited warranty. Performancefine at 274 MB/s of data transfer supporting units up to 27% faster in the Synology NasDiamandability of 2.5 million ore -aging, aging. via DSM