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, AMD Ryzen V1500B processor, 16GB DDR4 memory, four 4TB SATA drives and a dual-port 10GbE adapter, fully assembled and tested
The Synology RS826+ arrives fully assembled and tested with 16GB DDR4 ECC memory, a Ryzen V1500B processor and four 4TB Synology Plus drives installed. A two-port 10GbE adapter is pre-fitted in the PCIe Gen3 slot alongside four 1GbE RJ-45 ports. The 1U rackmount chassis measures 44mm × 480mm × 492.6mm and operates from 100-240 VAC.
Confirm you have 1U of rack height and 492.6mm of usable depth with cable clearance. The unit draws 100-240 VAC at 50/60Hz; ensure your PDU or UPS provides the correct connector. Empty bays accept 3.5-inch or 2.5-inch SATA drives only. Memory can be expanded to 32GB using compatible DDR4 ECC modules.
This configuration serves remote offices, edge sites or departments that want immediate 10GbE file access and 16TB capacity without build time. Buyers needing more than four drive bays, 25GbE connectivity or GPU-accelerated workloads should consider larger rackmount platforms.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 16 GB |
| Storage | |
| Drives included | 16 TB (4 × 4 TB) |
| Connectivity | |
| Management options | Web-Based, DHCP Client |
| Ports & slots | |
| LAN ports | 4 × 10/100/1000M 2 × 10GbE 10GBASE-T |
| 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) |
The package includes the main unit, an accessory pack, an AC power cord, 16GB DDR4 RAM, a Synology 2-Port 10GbE Adapter, and four 4TB Synology Plus NAS drives pre-installed. No separate drive purchase is required.
The unit ships with 16GB DDR4 ECC memory installed. The processor supports expansion up to 32GB if your workloads demand more capacity in the future.
Those sequential speeds were recorded under Synology test conditions. Real-world transfer rates will depend on network configuration, drive health, and the mix of file sizes being moved.
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