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 an AMD Ryzen V1500B processor, 4GB DDR4 RAM, four 1GbE ports, a 2-port 10GbE adapter and 80TB of Synology Plus drives pre-installed
The Synology RS826+ arrives fully assembled with four 20 TB Synology Plus drives, an AMD Ryzen V1500B processor and 4 GB DDR4 memory. A dual-port 10GbE adapter is installed in the PCIe slot alongside four 1 GbE RJ-45 ports. The 1U chassis measures 44 mm × 480 mm × 492.6 mm and operates from 0 °C to 35 °C.
IT teams who want immediate 80 TB storage without drive installation or network-card setup will benefit. The system supports up to 32 GB DDR4 ECC memory and sequential throughput above 2 000 MB/s read and 1 300 MB/s write under Synology test conditions. Buyers requiring more than four drive bays, 25 GbE connectivity out of the box, or GPU-accelerated workloads should evaluate other platforms.
Only four SATA bays are available, so raw capacity cannot exceed the installed 80 TB without replacing drives. The single PCIe Gen3 slot is already occupied by the included 10GbE adapter, preventing further network upgrades unless that card is removed. Memory can grow to 32 GB, but drive-count and slot constraints are fixed by the 1U form factor.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 4 GB |
| Storage | |
| Drives included | 80 TB (4 × 20 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 system delivers more than 2000 MB/s sequential read and 1300 MB/s sequential write under Synology test conditions, so large file copies and backup streams run at multi-gigabit rates.
The add-in adapter provides two 10GBASE-T RJ-45 ports, capping each link at 10 Gbps and allowing 10 GbE connectivity over standard copper cabling.
Each bay accepts 3.5-inch or 2.5-inch SATA drives; the unit ships with four 20 TB drives for 80 TB total raw capacity.
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