TS-264 is a compact 2-bay NAS with superior performance. Supporting up to 24 TB storage and 4 TB M.2 SSD caching at an affordable price, the TS-264 fulfills your multitasking challenges for file management, backup, collaboration, and video conversion.The TS-264 uses the QTS operating system by default. You will be able to switch to using the QuTS hero operating system. QuTS hero provides benefits such as ZFS data integrity and WORM technology to prevent data tampering. (Switching to QuTS hero is supported starting from QTS 5.2.1.)2.5GbE is a must!TS-264 is as fast as a single-port 10GbE NAS with up to 589 MB/s transfer speeds by setting port trunking with the two built-in 2.5GbE (2.5G/1G/100M) ports.Quad-core for multitaskingPerform additional tasks, stream more media, and have more services running with an Intel quad-core processor optimized for multitasking.Smooth video conversionBuilt-in GPU for enhanced video conversion, allowing videos to be smoothly streamed from the NAS to mobile devices.Upgrade to dual-port 10GbEFutureproof your network connection by installing a PCIe dual-port 10GbE network card that delivers up to 1,644 MB/s transfer speed.Faster USB transferTwo USB 3.2 Gen 2 (10Gbps) ports allow faster backup to/from USB devices.More M.2 NVMe SSDsIf two M.2 slots aren't enough, install a QM2 PCIe expansion card for more M.2 SSD slots.