Download media files without having to power up your PC with the built-in BitTorrent client. Y QNAP TS-653D, NAS, Tower, Intel® Celeron®, J4125, 8 GB, DDR4 QNAP TS-653D. Type: NAS. Chassis type: Tower. Device class: Small & Medium Business. Processor family: Intel® Celeron®, Processor model: J4125, Processor frequency: 2 GHz. Internal memory: 8 GB, Internal memory type: DDR4. Total installed storage capacity: 84 TB, Installed storage drive type: HDD. Operating system installed: QNAP Turbo System