DiskStation DS420j DS420j Features: 4-bay home NAS with over 60 TB raw capacity support, suitable for data backup and file sharing 64-bit 4-core 1.4 GHz processor and 1 GB DDR4 memory Over 112 MB/s encrypted sequential reading and writing throughput Easy-to-deploy surveillance solution that supports up to 16 IP cameras Energy-saving design with only 7.88 W consumed in hibernation mode Backed by Synology 2-year limited warranty Specifications: CPU Model: Realtek RTD1296 Architecture: 64-bit Frequency: 4-core 1.4 GHz Memory System Memory: 1 GB DDR4 non-ECC Storage Drive Bays: 4 Compatible Drive Type: 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD Maximum Single Volume Size: 108 TB External Ports RJ-45 1GbE LAN Port: 1 USB 3.0 Port: 2 File System Internal Drives: EXT4 External Drives: EXT4, EXT3, FAT, NTFS, HFS+, exFAT Appearance Size (Height x Width x Depth): 184 mm x 168 mm x 230 mm Weight: 2.21 kg Noise Level 20.6 dB(A) Power Supply Unit / Adapter 90 W Power Consumption 21.71 W (Access) 7.88 W (HDD Hibernation) System Fan 80 mm x 80 mm x 2 pcs Temperature Operating: 0°C to 40°C (32°F to 104°F) Storage: -20°C to 60°C (-5°F to 140°F) IronWolf 6TB ST6000VN001 Features: 1- to 8-bay network attached storage (NAS) Desktop RAID and servers Multimedia server storage Private cloud Specifications: Capacity: 6 TB Interface: SATA 6Gb/s Form Factor: 3.5 in Cache Size: 256 MB Disk Speed (RPM): 5400rpm