TS-h665U is designed for small and medium-sized businesses, powered by an Intel® quad-core processor, and equipped with dual 2.5GbE network ports that support port trunking for up to 5 Gbps network bandwidth. A PCIe expansion slot allows flexible upgrades, such as adding a 10GbE/5GbE network card or a QM2 card for M.2 SSD caching, delivering exceptional expandability. With the built-in Intel® AES-NI encryption engine, TS-h665U-RP maintains outstanding data access performance even when accelerating AES 256-bit encryption. Within a 1U chassis, TS-h665U-RP offers four 3.5-inch SATA bays and two high-expandability E1.S slots, delivering a powerful and efficient multitasking NAS solution. TS-h665U comes with the QuTS operating system preinstalled, offering ZFS data integrity and immutability to protect against data tampering.