QNAP TS-453D-4G 4-Bay NAS Intel® Celeron® J4125 quad-core 2.0 GHz processor 4 GB DDR4 (1 x 4 GB) 64-bit 4 x 3.5-inch SATA 2 x2.5 Gigabit Tower 3yr warranty The new-gen Wi-Fi 6 (802.11ax) trend has driven higher bandwidth demands for wired and wireless network connections. By integrating Intel® Celeron® J4125 quad-core 2.0 GHz processor and 2.5GbE connectivity, the TS-453D not only provides modern businesses an excellent NAS solution to upgrade to 2.5GbE environments for productive daily backup/restore tasks, but also provides gamers with ample storage for their vast game collections. Up to 5 Gbps transfer speeds can be made by setting port trunking with the two built-in 2.5GbE ports. The TS-453D also supports PCIe expansion, multi-cloud backup, cloud storage gateways, 4K HDMI output and real-time transcoding, alongside expandable storage capacity and feature-rich apps to perform as a cost-efficient, reliable 2.5GbE NAS. Specification CPU Intel® Celeron® J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz) CPU Architecture 64-bit x86 Graphic Processors Intel® HD Graphics 600 Encryption Engine  (AES-NI) System Memory 8 GB SO-DIMM DDR4 (2 x 4 GB) Drive Bay 4 x 3.5-inch SATA 6Gb/s, 3Gb/s 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via PCIe expansion card 10 Gigabit Ethernet Port Optional via PCIe expansion card 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 USB 2.0 port 3 USB 3.2 Gen 1 port 2 HDMI Output 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) LED Indicators Power/Status, LAN, USB, HDD1-4 Dimensions (HxWxD) 6.61 × 6.69 × 8.9 inch Weight (Net) 5.22 lbs Operating temperature 0 - 40 °C (32°F - 104°F) Power Supply Unit 90W adapter, 100-240V 3yr warranty