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 20 TB drives, 16 GB DDR4 RAM, 3.2 TB cache and a quad-core AMD Ryzen V1500B processor for edge and branch workloads
The Synology RS826RP+ is a 1U rackmount network-attached storage system built for edge deployments, branch offices and remote business workloads. It uses a quad-core, eight-thread AMD Ryzen V1500B processor at 2.2 GHz and comes with 16GB of DDR4 memory. The unit includes four hot-swappable bays populated with four 20TB Synology Plus drives for 80TB of raw capacity, plus two 1.6TB enterprise cache SSDs for 3.2TB of read/write acceleration.
The chassis operates between 0 °C and 35 °C with humidity tolerance of 5 to 95 percent relative humidity. It draws power from a redundant 100 to 240 VAC supply at 50 or 60 Hz. Four integrated 1GbE RJ-45 ports support link aggregation, load balancing and automatic failover. Two USB 3.2 Gen 1 ports and a PCIe Gen3 slot allow additional network adapters or an M.2 SSD adapter to be added without opening the case.
Synology reports sequential read and write performance above 2,000 MB/s and 1,300 MB/s respectively under its tested configuration. The cache SSDs reduce latency and improve IOPS for HDD-based arrays during prolonged workloads. One Synology RX426 expansion unit can be attached to double the bay count to eight and raise raw capacity to 192TB using supported 24TB drives. The system is fully assembled and tested before shipment.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826RP+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 16 GB |
| Storage | |
| Drives included | 80 TB (4 × 20 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) |
Mount the 1U chassis using the included accessory pack into a 44 mm rack space, connect the AC power cord to 100-240 VAC, link the four RJ-45 ports, then access the web-based management to create storage pools before data is written.
The four 20 TB SATA drives and two 1.6 TB cache SSDs are the only field-replaceable parts; drives typically last several years under 0-35 °C operation, while cache SSDs endure heavy write cycles and may need swapping sooner.
The four 1 GbE ports cap aggregate throughput at roughly 1000 MB/s, so network bandwidth saturates before the AMD Ryzen V1500B processor or 16 GB DDR4 memory reach their limits.
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