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 quad-core AMD Ryzen V1500B, four 1GbE ports, 4GB DDR4, 1.6TB cache and 24TB of pre-installed drives
The Synology RS826RP+ is a 1U rackmount network-attached storage system built for edge deployments, branch offices, and remote business workloads. It ships fully assembled and tested with four drive bays populated by 6 TB Synology Plus drives for 24 TB of raw capacity. A quad-core AMD Ryzen V1500B processor and 4 GB of DDR4 memory handle file services and virtualization tasks.
The single specification that determines fit is the pre-installed 1.6 TB read-write cache composed of two 800 GB Synology Enterprise SSDs. This cache tier accelerates random I/O on the hard-drive array, reducing latency for databases and virtual-machine workloads. Buyers who need more cache capacity or a different SSD endurance class cannot expand the cache without replacing these modules.
Under Synology's tested configuration the system delivers sequential read speeds above 2000 MB/s and write speeds above 1300 MB/s across its four integrated 1 GbE ports with Link Aggregation. The 1U chassis operates within a 0 °C to 35 °C range, and the redundant power supply maintains uptime during continuous multi-user access without thermal throttling.
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| Product | |
|---|---|
| Brand name | Synology |
| Model name | RS826RP+ |
| Processor | |
| CPU | AMD Ryzen |
| Memory | |
| Installed RAM | 4 GB |
| Storage | |
| Drives included | 24 TB (4 × 6 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) |
Synology tests show sequential read speeds above 2000 MB/s and write speeds above 1300 MB/s with the included 1.6 TB enterprise cache and four 6 TB drives.
Link Aggregation combines the four ports so a single client can exceed a single 1 Gbps link, while also providing load balancing and automatic failover if one cable or switch port drops.
The unit measures 44 mm high, 480 mm wide and 492.6 mm deep and holds four hot-swappable bays for 3.5-inch SATA hard drives or 2.5-inch SATA SSDs.
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