The RS1221RP+ is an 8-bay 2U rackmount NAS built on Synology's AMD Ryzen platform, designed for continuous operation in business and data-centre environments. Eight drive bays natively support 3.5" SATA hard drives as well as 2.5" SATA HDDs and SSDs, driven by a 2.2 GHz AMD Ryzen V1500B quad-core processor and 4GB of DDR4 ECC RAM (expandable to 32GB). Four Gigabit Ethernet ports handle networking, alongside two USB 3.0 Type-A ports, one eSATA port, and a PCIe Gen 3.0 x8 (x4 link) slot for expansion. RAID 0, 1, 5, 6, 10 and JBOD are supported, with an AES-NI hardware encryption engine for secure data at rest. Where this model differs from the RS1221+ is power: dual redundant 350W power supplies, so a second hot-swap unit keeps the RackStation running if one PSU fails — built for environments that can't tolerate downtime. Runs Synology DiskStation Manager (DSM).