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, a 2.2 GHz AMD Ryzen V1500B processor, 8 GB DDR4 memory and 64 TB of pre-installed Synology Plus drives, fully assembled and tested
The Synology RS826+ is a 1U rackmount NAS built for edge locations, remote offices and growing business storage environments. It arrives fully assembled and tested with 8GB DDR4 ECC memory and four 16TB Synology Plus drives for 64TB of raw capacity. An AMD Ryzen V1500B four-core, eight-thread processor at 2.2 GHz powers the platform. Four drive bays accept 3.5-inch SATA hard drives or 2.5-inch SATA SSDs.
The unit operates from 100-240 VAC at 50/60 Hz within a temperature range of 0°C to 35°C and 5-95% relative humidity. Four integrated 1GbE RJ-45 ports and two USB 3.2 Gen 1 ports handle connectivity without adding active cooling components. A single PCIe Gen3 slot is available for a compatible 10GbE or 25GbE adapter if additional bandwidth is required. The compact 44 mm height keeps airflow requirements modest.
Under Synology test conditions the system delivers more than 2,000 MB/s sequential read and 1,300 MB/s sequential write throughput. Link Aggregation across the four 1GbE ports provides network load balancing and automatic failover during prolonged transfers. The AMD Ryzen V1500B maintains consistent multi-threaded performance for file services, backup and virtualization workloads. Memory can be expanded up to 32 GB to support heavier concurrent workloads.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 8 GB |
| Storage | |
| Drives included | 64 TB (4 × 16 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) |
Slide each drive into a bay until the latch clicks, then verify in DSM that all four appear in Storage Manager; the missed step is forgetting to initialise the storage pool before creating volumes.
The four 16 TB SATA drives are the primary wear items; plan to replace them after their rated workload or when SMART alerts indicate degradation.
The four 1 GbE RJ-45 ports cap aggregate throughput at roughly 1 000 MB/s, well below the 2 000 MB/s read and 1 300 MB/s write the CPU and drives can deliver.
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