Seagate ST4000NM004A 3.5" 4TB SAS 12Gb/s 7200 RPM 256MB rackmount NAS
- 4 TB
- SAS 12Gb/s
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A 4-bay 1U rackmount NAS with AMD Ryzen V1500B processor, 8GB DDR4 RAM, 1.6TB cache and 32TB of Synology Plus drives pre-installed
The Synology RS826+ is a 1U rackmount network-attached storage server built for edge locations and growing business environments. A 2.2 GHz AMD Ryzen V1500B four-core processor and 8GB DDR4 ECC memory provide the compute base for file services and virtualization workloads. Four drive bays accept 3.5-inch SATA hard drives or 2.5-inch SATA SSDs. This unit ships fully assembled with four 8TB Synology Plus drives and 1.6TB of enterprise cache.
The chassis operates between 0°C and 35°C with humidity tolerance from 5% to 95% non-condensing. Power input accepts 100-240 VAC at 50/60Hz through a single AC cord. Four integrated 1GbE RJ-45 ports handle network traffic with Link Aggregation for load balancing and failover. A PCIe Gen3 slot remains available for future 10GbE or 25GbE adapter upgrades.
The configuration replaces standalone 2-bay or 4-bay desktop NAS units that have reached capacity or lack rackmount form factor. The jump is worth it when a business needs 32TB of raw storage in 1U, ECC memory protection, and the option to add high-speed networking without replacing the appliance. Buyers who need more than four drive bays or built-in 10GbE ports should consider larger chassis models.
Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 8 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 | 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) |
Use the included accessory pack to secure the 44 mm high chassis in a standard rack; the step often missed is tightening both front and rear rack screws so the 6.4 kg unit cannot shift under vibration.
The four 8 TB Synology Plus drives and the two 800 GB enterprise cache modules are the only field-replaceable storage parts; the 8 GB DDR4 ECC memory can be expanded up to 32 GB if workloads grow.
The four 1 GbE RJ-45 ports saturate before the CPU or cache, so continuous throughput above roughly 1 000 MB/s requires adding a 10 GbE or 25 GbE adapter in the PCIe Gen3 slot.
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