QNAP NAS TS-431K 4-Bay 3.5' SATA 6GB/s Alpine AL-214, 4-core, 1.7GHz processor, Tower 1GB DDR3, 32-bit ARM Powered by quad-core 1.7 GHz processor, the TS-431K provides 4 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-431K can easily integrate with any home décor and takes up very little space. The TS-431K comes with lockable drive trays, ensuring the drives will not be accidentally removed or fall out and cause data loss. The TS-431K 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. The TS-431K is powered by a quad-core 1.7 GHz CPU that features more CPU cores to enhance system performance. With 1 GB RAM, two Gigabit LAN ports, and SATA 6 Gb/s drives, the TS-431K delivers high performance, while also maintaining data security. The TS-431K also features three USB 3.2 Gen 1 ports, allowing you to transfer large media files between the NAS and your devices. The USB port on the front panel supports one touch copy, making it convenient for you to backup data on your external device to a NAS or vice versa with just one click. 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 4x 3.5-inch SATA 6Gb/s, 3Gb/s Hot-swappable yes SSD Cache Acceleration Support yes Gigabit Ethernet Port (RJ45) 2 Jumbo Frame yes USB 3.2 Gen 1 port 3 Form Factor Tower LED Indicators Power, Status, Buttons Power, Reset, USB Auto Copy Dimensions (HxWxD) 161 × 160 × 219 mm Weight (Net) 3 kg