The Radxa Penta SATA HAT (RA006FFC) turns your Raspberry Pi 5 into a powerful and compact NAS device. Featuring four SATA 3.0 ports plus one powered eSATA port, it supports 2.5″ or 3.5″ drives with a total storage capacity of up to 100 TB in software RAID (0/1/5). Using the PCIe FFC interface ensures high throughput. Power can be delivered via a 12 V adapter, standard ATX connector, or the Pi’s USB‑C. Advanced features include hard disk sleep mode, PWM-controlled fan support, and an optional OLED display for system information.