The Synology SAT5221 3840 GB SATA SSD is built to endure 24/7 workloads in Synology systems with stable performance up to 30,000 4K random write IOPS. Lifetime analytics provide actionable insights into the disk lifespan for informed decisions regarding upgrades and replacements. Only compatible with select Synology systems. Please check the compatibility with your system on the manufacturer's website. Warranty claims will not be accepted if used in systems not intended by Synology.