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 four drive bays holding 48TB, an AMD Ryzen V1500B processor, 16GB DDR4 RAM, and a dual-port 25GbE adapter
The Synology RS826+ is a 1U rackmount NAS powered by a 2.2 GHz AMD Ryzen V1500B four-core, eight-thread processor. It arrives fully assembled with 16GB DDR4 ECC memory and four 12TB Synology Plus drives for 48TB total capacity. A Synology 2-Port 25GbE SFP28 adapter is installed in the PCIe Gen3 slot. Four 1GbE RJ-45 ports support Link Aggregation. This unit suits edge locations, remote offices and growing business storage environments.
Verify that your rack provides a 1U space measuring 44 mm in height and sufficient depth for the 492.6 mm chassis. The four drive bays accept 3.5-inch SATA hard drives or 2.5-inch SATA SSDs only. Ensure your switch or router has SFP28 ports for the 25GbE links and RJ-45 ports for the 1GbE connections. Confirm the operating environment stays within 0°C to 35°C and 5% to 95% relative humidity. A 100-240 VAC 50/60Hz power source is required.
The installed 25GbE adapter frees the PCIe Gen3 slot for future expansion if additional network speed or other add-in cards are needed later. Four 1GbE ports provide immediate failover and load balancing without extra hardware. Memory can be expanded up to 32GB using compatible DDR4 ECC modules. Two USB 3.2 Gen 1 ports allow direct attachment of external backup targets or UPS signalling. The web-based management and DHCP client simplify deployment in existing network topologies.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 16 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 × 25GbE SFP28 |
| 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) |
Yes, the unit arrives fully assembled with four 12TB Synology Plus drives, 16GB DDR4 ECC memory and a Synology 2-Port 25GbE SFP28 adapter pre-installed in the PCIe Gen3 slot.
The installed 16GB DDR4 ECC is sufficient for most small-business workloads; add another 16GB module only if you plan heavy virtualization or many concurrent Docker containers.
Those are sequential speeds measured under Synology test conditions; real-world SMB transfers over the four 1GbE ports or the 25GbE adapter will be lower and depend on drive mix, RAID type and client network.
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