Seagate ST4000NM004A 3.5" 4TB SAS 12Gb/s 7200 RPM 256MB rackmount NAS
- 4 TB
- SAS 12Gb/s
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A compact 1U rackmount NAS with four drive bays, 16GB DDR4 ECC memory, 1.6TB enterprise cache, and 48TB of Synology Plus drives, powered by a 2.2 GHz AMD Ryzen V1500B processor
The Synology RS826+ is a 1U rackmount NAS built for edge locations and growing business storage. It uses a 2.2 GHz AMD Ryzen V1500B four-core processor with 16GB DDR4 ECC memory installed. The unit arrives fully assembled with 48TB of Synology Plus drives and 1.6TB Enterprise cache.
This NAS fits remote offices needing compact, high-capacity storage with four 1GbE ports and a PCIe Gen3 slot for future 10GbE or 25GbE upgrades. Buyers who require more than four drive bays or higher base memory than 16GB should look at larger rackmount platforms.
The 1.6TB cache, built from two 800GB Synology Enterprise modules, accelerates frequent read and write workloads. If your workloads do not benefit from large SSD cache, a configuration without this cache tier reduces cost while keeping the same drive capacity.
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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 |
| 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 unit ships fully assembled with four 12 TB Synology Plus drives and two 800 GB enterprise cache modules pre-installed, plus 16 GB DDR4 ECC RAM.
The 16 GB DDR4 ECC memory included handles most edge and remote-office tasks; the board supports expansion to 32 GB if virtualization or heavier databases are expected.
Synology tests show up to 2 000 MB/s sequential read and 1 300 MB/s sequential write; actual speeds depend on drive mix, RAID type and network topology.
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