QNAP NAS TS-231K 2 Bay NAS Alpine AL-214 4-Core 1.7GHz 1GB DDR3 512MB 2x3.5' SATA Hot Swap 2xGbE 3xUSB 3.2 Tower LED Windows/MAC Powered by quad-core 1.7 GHz processor, the TS-231K provides 2 drive bays storage space to securely store your important files and data, while allowing you to easily share files with family and friends. Featuring a compact pure white minimalist design, the TS-231K can easily integrate with any home décor and takes up very little space. The TS-231K comes with lockable drive trays, ensuring the drives will not be accidentally removed or fall out and cause data loss. The TS-231K provides comprehensive local, off-site and cloud backup and secure Snapshot technology to help create a reliable backup and disaster recovery plan. In the event of a system crash or accidental file deletion, you can quickly restore the system to its normal state. Specification: CPU AnnapurnaLabs, an Amazon company Alpine AL-214, 4-core, 1.7GHz CPU Architecture 32-bit ARM Floating Point Unit yes Encryption Engine yes System Memory 1GB DDR3 Flash Memory 512 MB (Dual boot OS protection) Drive Bay 2 x 3.5-inch SATA 6Gb/s, 3Gb/s Hot-swappable yes SSD Cache Acceleration Support yes USB 3.2 Gen 1 port 3 Form Factor Tower LED Indicators Power, Status, LAN, USB, HDD1-2 Buttons Power, Reset, USB Auto Copy Dimensions (HxWxD) 161 × 102 × 219 mm Weight (Net) 2.39 kg Power Supply Unit 60W/65W Adapter, 100-240V Power Consumption: HDD Sleep Mode 8.46 W Fan 1 x 7 cm smart fan (12V DC)