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, an AMD Ryzen V1500B processor, 16GB DDR4 memory, 3.2TB SSD cache and 48TB of pre-installed storage, fully assembled and tested
The Synology RS826RP+ is a 4-bay rackmount NAS powered by a quad-core, eight-thread AMD Ryzen V1500B processor running at 2.2 GHz. It arrives fully assembled and tested with 16GB DDR4 RAM, 3.2TB of enterprise cache across two 1.6TB modules, and four 12TB Synology Plus NAS drives providing 48TB of raw storage. Four integrated 1GbE ports support Link Aggregation for bandwidth scaling and automatic failover.
The four hot-swappable bays accept compatible 3.5-inch SATA hard drives and 2.5-inch SATA SSDs. One Synology RX426 expansion unit can be connected to increase the system to eight drive bays and up to 192TB of raw storage using supported 24TB drives. A PCIe Gen3 slot provides flexibility for compatible 10GbE or 25GbE network adapters, an M.2 SSD adapter, or a combined M.2 SSD and 10GbE adapter. Verify that your rack provides 44mm height clearance and 100-240 VAC 50/60Hz power.
Under Synology's tested configuration the system delivers sequential read and write performance of over 2,000 and 1,300 MB/s respectively. Compatible SSDs can be used for caching to reduce latency and improve IOPS in HDD-based arrays during extended workloads. The AMD Ryzen V1500B processor maintains throughput across eight threads while operating within a 0°C to 35°C temperature range and 5-95% relative humidity. Four 1GbE ports with Link Aggregation provide network resilience under continuous traffic.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826RP+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 16 GB |
| Storage | |
| Drives included | 48 TB (4 × 12 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 | 8.0 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, accessory pack, AC power cord, 16GB DDR4 RAM, 3.2TB cache (2 x 1.6TB), and four 12TB drives fully assembled. No additional components are required for operation.
This unit is supplied with four 12TB Synology Plus drives for 48TB raw capacity. The system supports up to 24TB per bay, so 12TB is a mid-range choice that leaves room for future expansion.
That read speed is achievable with Link Aggregation across the four 1GbE ports under tested conditions. Real-world throughput depends on network topology, client hardware, and the mix of file sizes being transferred.
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