Seagate ST4000NM004A 3.5" 4TB SAS 12Gb/s 7200 RPM 256MB rackmount NAS
- 4 TB
- SAS 12Gb/s
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A 1U rackmount NAS with AMD Ryzen V1500B processor, 8GB DDR4 RAM, dual 10GbE ports, and 48TB of Synology Plus drives pre-installed
The Synology RS826+ is a 1U rackmount NAS built around a 2.2 GHz AMD Ryzen V1500B processor with four cores and eight threads. It arrives with 8 GB of DDR4 ECC memory installed and four 12 TB Synology Plus drives pre-loaded for 48 TB of raw capacity. Four 1 GbE RJ-45 ports and a dual-port 10 GbE 10GBASE-T adapter provide high-speed network connectivity out of the box.
The unit measures 44 mm high, 480 mm wide and 492.6 mm deep and weighs 6.4 kg, so confirm your rack can accommodate a 1U device of that depth. Ensure you have Cat 6a or better cabling for the 10 GbE ports and sufficient switch ports for the four 1 GbE links if you plan to use link aggregation. The power supply accepts 100-240 VAC at 50/60 Hz with a standard AC cord included.
This configuration fits remote offices or edge sites that want a tested, pre-populated NAS without additional assembly. Organisations requiring more than four drive bays, higher memory than 32 GB maximum, or 25 GbE connectivity should consider larger rackmount models or models with additional PCIe expansion.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 8 GB |
| Storage | |
| Drives included | 48 TB (4 × 12 TB) |
| Connectivity | |
| Management options | Web-Based, DHCP Client |
| Ports & slots | |
| LAN ports | 4 × 10/100/1000M 2 × 10GbE 10GBASE-T |
| USB ports | 2 x USB 3.2 Gen 1 Ports |
| Power | |
| Power details | 100-240 VAC 50/60 Hz |
| Size & build | |
| Form factor | 4-Bay |
| Product dimensions | 44 mm × 480 mm × 492.6 mm |
| Product weight | 6.4 kg |
| In the box | |
| In the box | Main Unit × 1 Accessory Pack × 1 AC Power Cord × 1 All Configuration Items |
| Environment & compliance | |
| Temperature range | 0 °C - 35 °C |
| Humidity range | 5-95% R.H |
| More details | |
| Indicator lights | Power, HDD (Hard Disk Drive), LAN (10/100) |
The box contains the RS826+ main unit, an accessory pack and an AC power cord. Four 12TB Synology Plus drives, 8GB DDR4 RAM and a Synology 2-Port 10GbE adapter are already installed. No further components are required for basic operation.
The unit ships with 8GB DDR4 ECC installed and supports expansion to 32GB. For typical file sharing, backup and light virtualisation the included 8GB is sufficient; heavier multi-VM workloads benefit from adding more memory.
That number comes from Synology's internal test environment using the installed 10GbE adapter. Real-world speeds depend on your network infrastructure, client devices and workload mix, so actual throughput will usually be lower.
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