QNAP TS-231K, NAS, Tower, Annapurna Labs, Alpine AL-214, 1 GB, DDR3 QNAP TS-231K. Type: NAS. Chassis type: Tower. Device class: Home & Home Office. Processor family: Annapurna Labs, Processor model: Alpine AL-214, Processor frequency: 1.7 GHz. Internal memory: 1 GB, Internal memory type: DDR3. Total installed storage capacity: 0 TB. Operating system installed: QNAP Turbo System