NAS QNAP (TS-233, Without HDD.)BrandQNAPModelTS-233CPU ModelARM 4-core Cortex-A55 2.0GHz processorOperating SystemQTS 5.0.0System Memory2 GB, not expandableNote: Reserves some RAM for use as shared graphics memory.Drive Interface3.5-inch SATA hard disk drives2.5-inch SATA hard disk drives2.5-inch SATA solid state drivesNumber of Drives2 x 3.5-inch ..