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, 32 GB DDR4 memory, 3.2 TB cache and 32 TB of installed drives, powered by a quad-core AMD Ryzen V1500B processor
The Synology RS826RP+ is a 1U rackmount NAS built for edge deployments, branch offices and remote business workloads. It uses a quad-core AMD Ryzen V1500B processor at 2.2 GHz with 32 GB DDR4 memory. The unit ships fully assembled with four 8 TB Synology Plus drives for 32 TB raw capacity and two 1.6 TB enterprise SSDs for 3.2 TB cache.
This system replaces basic file servers that lack integrated caching and redundant networking. The jump is worth it when workloads need sequential throughput above 2000 MB/s read and 1300 MB/s write plus automatic failover across four 1GbE ports. A single RX426 expansion unit can double bay count to eight and scale raw capacity toward 192 TB with supported drives.
Four 1GbE RJ-45 ports cap aggregate throughput at the gigabit level even with Link Aggregation. The PCIe Gen3 slot accepts one 10GbE or 25GbE adapter, an M.2 SSD adapter or a combined M.2 and 10GbE card, but only a single card fits. Drive bays accept 3.5-inch SATA hard drives and 2.5-inch SATA SSDs only.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826RP+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 32 GB |
| Storage | |
| Drives included | 32 TB (4 × 8 TB) |
| Connectivity | |
| Management options | Web-Based, DHCP Client |
| Ports & slots | |
| LAN ports | 4 × 10/100/1000M |
| 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 | 8.0 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) |
It is a 1U rackmount 44 mm high, 480 mm wide, 492.6 mm deep and weighs 8.0 kg, so it fits a standard 19-inch rack with front and rear rails spaced for that depth.
The system arrives fully assembled with four 3.5-inch 8TB drives in the hot-swap bays and two 1.6TB cache modules pre-installed; the step often missed is confirming the cache is recognised in DSM after first boot.
The four 8TB drives and two 1.6TB cache modules are covered by Synology's own drive warranty; plan replacement when SMART health drops below threshold or the warranty period ends.
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