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 holding 64TB of storage, 16GB DDR4 memory, 800GB cache and a 2.2 GHz AMD Ryzen V1500B processor for business edge deployments
The Synology RS826+ is a 1U rackmount NAS built around a 2.2 GHz AMD Ryzen V1500B four-core processor. It ships with 16GB DDR4 ECC memory, 800GB of Synology Enterprise cache on two 400GB modules, and four 16TB Synology Plus drives for 64TB total capacity. Four 1GbE RJ-45 ports and two USB 3.2 Gen 1 ports provide wired connectivity.
This unit suits businesses that need a pre-configured, tested storage appliance for edge locations or branch offices. It is not for buyers who require 10GbE or 25GbE connectivity out of the box, nor for environments that need more than four drive bays without adding an expansion unit. The single PCIe Gen3 slot allows a compatible network card to be added later.
The chassis provides exactly four 3.5-inch or 2.5-inch SATA bays, so raw capacity is capped at the four included 16TB drives unless larger compatible drives are swapped in. Memory can be expanded to 32GB, and the operating range is 0°C to 35°C with 5 to 95 percent relative humidity.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 16 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) |
Mount the 1U chassis using the supplied accessory pack; the step often missed is linking all four 1GbE RJ-45 ports for load balancing and failover before deploying services.
The four 16TB Synology Plus drives and two 400GB Enterprise cache modules are the only field-replaceable storage components; the 16GB DDR4 ECC memory can be expanded to 32GB if workloads grow.
Sequential throughput caps at roughly 2,000 MB/s read and 1,300 MB/s write under Synology test conditions, so the 1GbE network interfaces saturate before the Ryzen V1500B processor does.
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