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, 32 GB DDR4 ECC memory, a 2.2 GHz AMD Ryzen V1500B processor, 32 TB of Synology Plus drives, and a dual-port 25 GbE adapter
The Synology RS826+ is a 1U rackmount NAS powered by an AMD Ryzen V1500B processor with four cores and eight threads at 2.2 GHz. It ships fully assembled and tested with 32GB of DDR4 ECC memory and four 8TB Synology Plus drives for 32TB raw capacity. Four integrated 1GbE RJ-45 ports and an included dual-port 25GbE SFP28 adapter provide high-speed connectivity. Two USB 3.2 Gen 1 ports allow external device attachment.
This unit fits remote offices and edge locations that require 25GbE throughput out of the box. Buyers who need more than four drive bays or who require a different network interface should consider other configurations. The installed 32GB memory matches the maximum supported capacity, so further RAM expansion is not possible. Organisations needing denser storage or alternative form factors will need a different platform.
The chassis provides exactly four drive bays, which determines the maximum number of installed drives and therefore the upper bound of raw storage. With the supplied 8TB drives the system delivers 32TB; any capacity increase requires replacing drives with larger models. This bay count is the fixed constraint that decides whether the RS826+ matches a deployment's storage scale.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 32 GB |
| Storage | |
| Drives included | 32 TB (4 × 8 TB) |
| Connectivity | |
| Management options | Web-Based, DHCP Client |
| Ports & slots | |
| LAN ports | 4 × 10/100/1000M 2 × 25GbE SFP28 |
| 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) |
This unit ships with both 32 GB DDR4 RAM and 32 TB (4 x 8 TB) of Synology Plus drives already installed, so no choice between them is needed.
Under Synology test conditions the system can deliver over 2,000 MB/s sequential read and 1,300 MB/s sequential write, giving fast large-file throughput for backups or media workloads.
The four RJ-45 ports cap at 1 Gb/s each and support Link Aggregation; the two SFP28 ports run at 25 Gb/s, so total network throughput depends on which ports you connect and your switch capability.
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