Synology DiskStation DS223j ,2-Bay Realtek RTD1619B 4-core 1.7GHz ,1GB DDR4 ,3.5" Diskless NAS (Tower) ,1 x Gen3 x8 slot (x4 link)
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Its two-bay layout supports a practical introduction to centralised storage without adding unsupported expansion claims. Two-bay storage Use supported SATA drives to centralise household or small-team data. Multi-platform access Manage files and media through supported desktop, mobile and browser tools. Private cloud control Keep shared data on a system you manage rather than relying only on public-cloud storage. Backup destination Collect copies of important computer and mobile files in one organised location. Compact footprint The 165 × 100 × 225.5 mm enclosure fits easily into a home or small workspace. Quiet operation A supplied 18.2 dB(A) noise rating supports placement in everyday environments. Who is the Synology DS223j best for? A strong choice for First-time NAS buyers Household file and photo storage Small-team document sharing Basic computer and mobile backup Compact private cloud deployments Consider another model if you need You need hot-swappable drive bays You require expandable memory You need multiple network ports You need PCIe or drive-bay expansion Key specifications Model DS223j Product type 2-bay entry-level desktop NAS Processor Realtek RTD1619B CPU cores 4 CPU frequency 1.7 GHz System memory 1 GB DDR4 non-ECC Drive bays 2 Drive categories | 3.5" SATA HDD; 2.5" SATA SSD (with optional 2.5" Disk Holder) Built-in network 1 × 1GbE USB ports 2 × USB 3.2 Gen 1 Dimensions Not specified Weight 0.88 kg Warranty 2-year hardware warranty, extendable to 4 years with extended warranty plus Full technical specifications Processor, memory and storage CPU Model Realtek RTD1619B CPU Quantity 1 CPU Core 4 CPU Threads 4 CPU Architecture 64-bit CPU Frequency 1.7 GHz Hardware Encryption Engine Supported System Memory 1 GB DDR4 non-ECC Memory notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Drive Bays 2 Drive Type | 3.5" SATA HDD; 2.5" SATA SSD (with optional 2.5" Disk Holder) Hot Swappable Drive* - Network, ports and expansion RJ-45 1GbE LAN Port 1 USB 3.2 Gen 1 Port* 2 External Ports notes | This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.; The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. Physical design and power Size (Height × Width × Depth) 165 mm × 100 mm × 225.5 mm Weight 0.88 kg System Fan 92 mm × 92 mm × 1 pcs Fan Speed Mode | Full-Speed Mode; Cool Mode; Quiet Mode; Low-power Mode Brightness Adjustable Front LED Indicators Supported Power Recovery Supported Noise Level* 18.2 dB(A) Scheduled Power On / Off Supported Wake on LAN / WAN Supported Power Supply Unit / Adapter 60 watts AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 16.31 watts (Access); 4 watts (HDD Hibernation) British Thermal Unit 55.62 BTU/hr (Access); 13.64 BTU/hr (HDD Hibernation) Others notes |; | Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8% Environment, warranty and package Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Operating Humidity 8% to 80% RH Storage Humidity 5% to 95% RH Certification | FCC; CE; BSMI; VCCI; RCM; UKCA; EAC; CCC; KC; BIS Warranty 2-year hardware warranty, extendable to 4 years with extended warranty plus Warranty notes | The warranty period starts from the purchase date as stated on your purchase receipt. | Environment RoHS Compliant Packaging Content | Main Unit X 1; Accessory Pack X 1; AC Power Adapter X 1; AC Power Cord X 1; RJ-45 LAN Cable X 1; Quick Installation Guide X 1 Frequently asked questions about the Synology DS223j What is the Synology DS223j?The Synology DS223j is a 2-bay entry-level desktop NAS for first-time nas buyers, household file and photo storage, small-team document sharing.Which processor is in the Synology DS223j?It uses the Realtek RTD1619B with 4 cores at 1.7 GHz.How much memory does the Synology DS223j include?It includes 1 GB DDR4 non-ECC. No higher memory capacity is stated in the verified hardware specification.How many drive bays does the Synology DS223j have?It has 2 internal drive bays.Which drive types does the Synology DS223j support?| 3.5" SATA HDD; 2.5" SATA SSD (with optional 2.5" Disk Holder). Confirm exact drive models on Synology’s compatibility list.What networking is built into the Synology DS223j?The verified built-in network interfaces are 1 × 1GbE.What external ports does the Synology DS223j provide?It provides 2 USB 3.2 Gen 1 ports alongside 1 × 1GbE.Does the Synology DS223j include storage drives?No. This listing identifies the Synology DS223j as diskless, so compatible drives are selected separately.What are the Synology DS223j dimensions?It measures Not specified and weighs 0.88 kg.What warranty applies to the Synology DS223j?Synology specifies 2-year hardware warranty, extendable to 4 years with extended warranty plus. Warranty-extension availability depends on region. Important information: DS223j is listed as diskless; compatible storage drives are selected separately. Confirm exact drives, memory and accessories on Synology’s compatibility list for DS223j. Actual usable capacity and performance depend on installed drives, storage configuration, workloads and network environment.