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 quad-core Ryzen processor, four 4TB drives, 3.2TB cache and redundant power for edge deployments
The Synology RS826RP+ is a 1U rackmount NAS powered by an AMD Ryzen V1500B quad-core processor at 2.2 GHz with 4GB DDR4 RAM. It ships fully assembled with four 4TB Synology Plus drives for 16TB raw capacity and two 1.6TB enterprise SSDs providing 3.2TB cache. Four 1GbE RJ-45 ports support link aggregation and failover for continuous network availability.
The four installed 4TB drives deliver 16TB of immediate capacity while the dual 1.6TB cache SSDs accelerate frequent reads and writes. A single RX426 expansion unit can be attached to double bay count to eight and scale raw storage toward 192TB using supported 24TB drives. Sequential throughput exceeds 2,000 MB/s read and 1,300 MB/s write under tested configuration.
The package includes the main unit, accessory pack, AC power cord, four 4TB NAS hard drives and two 1.6TB enterprise cache SSDs pre-installed and validated. A PCIe Gen3 slot remains open for a 10GbE or 25GbE adapter, an M.2 SSD adapter, or a combined M.2 and 10GbE card. Buyers needing more than four bays or 10GbE connectivity out of the box must add the expansion unit or adapter separately.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826RP+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 4 GB |
| Storage | |
| Drives included | 16 TB (4 × 4 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) |
Yes, each RJ-45 port auto-negotiates down to 10 or 100 Mbps, so the NAS will connect to older switches without any configuration changes.
Open DSM Storage Manager; the SSD Cache section will show two 1.6 TB volumes mounted and the cache status will read "Normal" once the initial scan finishes.
The system ships fully assembled with all four 3.5-inch 4 TB drives in the front bays and both 1.6 TB cache modules seated in the internal M.2 slots.
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