Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y QNAP TS-653A, NAS, Tower, Intel® Celeron®, N3150, 4 GB, DDR3L QNAP TS-653A. Type: NAS. Chassis type: Tower. Device class: Small & Medium Business. Processor family: Intel® Celeron®, Processor model: N3150, Processor frequency: 1.6 GHz. Internal memory: 4 GB, Internal memory type: DDR3L. Total installed storage capacity: 24 TB, Installed storage drive type: HDD. Operating system installed: QNAP Turbo System