QNAP TS-853DU-RP-4G 8 Bay NAS Intel® Celeron® J4125 quad-core 2.0 GHz 4 GB RAM SO-DIMM DDR4 Hot-swappable 2x2.5GbE 2xUSB 3.2 Redundan power 2U 3yrs

QNAP TS-863XU-RP-4G 8 Bay NAS AMD GX-420MC quad-core 2.0 GHz processor, 4 GB RAM SO-DIMM DDR3L Hot-swappable 4 Gigabit Ethernet Redundan power 3yrs Powered by an Intel® Celeron® J4125, quad-core 2.0 GHz processor, the TS-853DU-RP features two 2.5GbE RJ45 ports, providing up to 2.5 times the speed of Gigabit Ethernet and enabling smoother multimedia playback and everyday usage. With a PCIe Gen 2.0 x 2 slot, the TS-853DU-RP provides flexibility in extending NAS functionality, allowing you to install various cards for extra network ports, M.2 SSD caching/tiering, or Wi-Fi connectivity. The TS-853DU-RP ensures data security with AES 256-bit encryption, boosting system performance while ensuring the safety of sensitive business data stored. 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 Floating Point Unit Encryption Engine Hardware-accelerated Transcoding System Memory 4 GB SO-DIMM DDR4 (1 x 4 GB) Maximum Memory 8 GB (2 x 4GB) Memory Slot 2 x SO-DIMM DDR4 Flash Memory 4GB (Dual boot OS protection) Drive Bay 8 x 3.5-inch SATA 6Gb/s, 3Gb/s Hot-swappable M.2 SSD Slot Optional via a PCIe adapter SSD Cache Acceleration Support 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 PCIe Slot 1 Slot 1: PCIe Gen 2 x2 USB 2.0 port 2 USB 3.2 Gen 1 port 2 HDMI Output 1, HDMI 1.4b Form Factor 2U Rackmount LED Indicators HDD 1-8, Status, LAN, Expansion, Power Operating temperature 0 - 40 °C (32°F - 104°F Power Supply Unit 300W (x2), 100-240V Fan 2 x 80mm, 12VDC 3 yrs warranty redundant power supply