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 48 TB of Synology Plus drives, 32 GB DDR4 ECC memory, 3.2 TB enterprise cache, and a 2.2 GHz AMD Ryzen V1500B processor
The Synology RS826+ is a 1U rackmount network-attached storage appliance built for edge sites, remote offices and growing business environments. It ships fully assembled with a 2.2 GHz AMD Ryzen V1500B four-core processor, 32 GB DDR4 ECC memory, 3.2 TB of enterprise cache on two 1.6 TB modules and 48 TB of raw capacity across four 12 TB Synology Plus drives.
This unit suits organisations that want high-speed cache, four-bay density and the option to add 10 GbE or 25 GbE adapters via the PCIe Gen3 slot. Buyers who require more than four drive bays, built-in 10 GbE ports or a different processor architecture should evaluate other platforms.
The single specification that decides fit is the four-bay 1U form factor combined with a PCIe Gen3 slot for future network upgrades. If the deployment demands more bays or no expansion slot, this model will not match the requirement.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 32 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 is rated for continuous operation up to 35 °C ambient; sustained loads beyond that may trigger thermal protection.
Synology does not publish a decibel figure; the 1U chassis uses temperature-controlled fans that ramp up under heavy I/O.
A compatible PCIe Gen3 10 GbE or 25 GbE network adapter must be installed in the single expansion slot.
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