QNAP TS-431X3-2G 4 Bay AnnapurnaLabs AL-314 quad-core 1.7GHz processor, 2 GB RAM 4x 3.5-inch SATA Hot-swappable 1 x 10GbE SFP+ port 3 xUSB 3.2 Tower 2 yrs warranty Powered by Annapurna Labs Alpine AL-314, quad-core 1.7 GHz processor, 2GB DDR3L RAM, one 1GbE LAN port and one 2.5GbE LAN port, the TS-431P3 features a 2.5GbE RJ45 port, providing up to 2.5 times the speed of regular Gigabit Ethernet and enabling smoother multimedia playback and everyday usage. The TS-431P3 ensures data security by supporting AES 256-bit encryption and various local/remote/cloud backup options – including snapshot protection that allows for files and data to be reverted to previously-recorded states if they are accidentally deleted, modified or affected by malware. The TS-431P3 includes a 1GbE port and a 2.5GbE port to provide a smoother NAS experience and multimedia playback. Additional network connection options from QNAP include USB 3.2 Gen 1 to 5GbE adapters (supports N-BASET/Multi-Gig), QXG 5GbE PCIe cards, and QNAP QSW 10GbE switches. All these options allow users to revolutionize their home network at a cost-effective price. The TS-431P3 features three USB 3.2 Gen 1 port that delivers outstanding multitasking performance. CPU AnnapurnaLabs, an Amazon company Alpine AL314, 4-core, 1.7GHz CPU Architecture 32-bit ARM Floating Point Unit System Memory 2GB SO-DIMM DDR3 Memory Slot 1 x SO-DIMM DDR3 Flash Memory 512 MB (Dual boot OS protection) Drive Bay 4x 3.5-inch SATA 6Gb/s, 3Gb/s Hot-swappable 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 1 USB 3.2 Gen 1 port 3 Dimensions (HxWxD) 169 × 160 × 219 mm Weight (Net) 2.01 kg Operating temperature 0 - 40 °C (32°F - 104°F) Power Supply Unit 90W Adapter, 100-240V 2-year warranty