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, AMD Ryzen V1500B processor, 4GB DDR4 memory, four 8TB SATA drives and a dual-port 10GbE adapter pre-installed
The Synology RS826+ arrives fully assembled with four 8TB Synology Plus drives, 4GB DDR4 ECC memory and a 2-port 10GbE adapter installed. A 2.2 GHz AMD Ryzen V1500B four-core processor handles file services, virtualization and backup workloads for remote offices or edge sites. The 1U chassis fits standard racks and operates between 0°C and 35°C.
Four onboard 1GbE RJ-45 ports support Link Aggregation for load balancing and failover. The included 10GbE adapter uses a PCIe Gen3 slot, leaving no free expansion slot for a second high-speed card. Sequential throughput reaches 2,000 MB/s read and 1,300 MB/s write under vendor test conditions, so the 1GbE ports will saturate well before the CPU or drives.
Organisations moving from single-gigabit NAS units gain immediate 10GbE connectivity without extra procurement steps. The jump is worth it when collaborative editing, VM storage or replication traffic regularly exceeds 1GbE limits. Buyers who need more than four drive bays or a second 10GbE adapter should consider a larger chassis.
Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 4 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 × 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 unit ships with 4 GB of DDR4 ECC RAM installed and supports expansion up to 32 GB if your workloads need more headroom.
Those are sequential throughput numbers measured under Synology test conditions; real-world speeds depend on the drives, RAID type, network topology and concurrent workloads.
The two-port 10GBASE-T adapter provides up to 10 Gbps per port over standard RJ-45 cabling, limited by the PCIe Gen3 slot bandwidth and the switch or router at the other end.
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