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Silver 1U rackmount server with four front drive bays and redundant power supplies

Synology Inc.

Synology RS826RP+ 4-Bay Rackmount NAS 16GB 80TB 25GbE

SKU CH-51MZ-ZXV29

A compact 1U rackmount NAS with 4 hot-swap bays, 16GB DDR4 RAM, a 2-port 25GbE adapter and 80TB of Synology Plus drives pre-installed

  • CPUAMD Ryzen
  • Form factor4-Bay
  • LAN ports4 × 10/100/1000M 2 × 25GbE SFP28
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM16 GB
  • Drives included80 TB (4 × 20 TB)
  • Quad-core Ryzen V1500B at 2.2 GHz drives 2000 MB/s sequential reads
  • Dual 25GbE SFP28 ports plus four 1GbE links enable high-throughput networking
  • 16 GB DDR4 memory supports demanding multi-user workloads
  • Four 20 TB Synology Plus drives deliver 80 TB raw capacity out of the box
  • Redundant 100-240 VAC power supplies keep the 1U rack unit running

Synology RS826RP+ 4-Bay Rackmount NAS

The Synology RS826RP+ is a 1U rackmount NAS powered by a quad-core AMD Ryzen V1500B processor at 2.2 GHz with 16GB DDR4 RAM. It arrives fully assembled with four 20TB Synology Plus drives for 80TB raw capacity and includes a 2-port 25GbE SFP28 adapter installed in the PCIe slot. Four 1GbE RJ-45 ports support Link Aggregation and failover for resilient network connectivity.

Suits edge and branch offices needing dense 1U

This unit fits environments that want a pre-validated appliance with redundant power supplies and hot-swappable 3.5-inch SATA bays. Buyers who need more than four internal bays without adding an RX426 expansion unit should consider a larger chassis. Workloads requiring M.2 SSD caching or 10GbE over RJ-45 will need a different PCIe card than the one supplied.

Deciding specification: 2-port 25GbE SFP28 adapter

The installed 25GbE adapter defines the high-speed network interface and occupies the single PCIe Gen3 slot, so no other expansion card can be added simultaneously. If your infrastructure uses 10GbE RJ-45 or you plan to add an M.2 SSD adapter, this specific configuration will not match those requirements.

How it compares

Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.

Price $5,492.99
Cheaper than about 60% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS826RP+
Processor
CPUAMD Ryzen
Memory
Installed RAM16 GB
Storage
Drives included80 TB (4 × 20 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports4 × 10/100/1000M
2 × 25GbE SFP28
USB ports2 x USB 3.2 Gen 1 Ports
Power
Power details100-240 VAC 50/60 Hz
Size & build
Form factor4-Bay
Product dimensions44 mm × 480 mm × 492.6 mm
Product weight8.0 kg
In the box
In the boxMain Unit × 1
Accessory Pack × 1
AC Power Cord × 1
All Configuration Items
Environment & compliance
Temperature range0 °C - 35 °C
Humidity range5-95% R.H
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

Should I pick the 80 TB bundle or add my own drives later?

The unit ships with four 20 TB Synology Plus drives already installed, giving 80 TB raw capacity out of the box. You can still add an RX426 expansion unit later for up to 192 TB total.

What does the 2 000 MB/s sequential read figure mean for daily workloads?

That throughput was measured in Synology's test configuration with the AMD Ryzen V1500B at 2.2 GHz and 16 GB DDR4. Real-world speeds depend on drive mix, RAID level, and network load.

How fast can the 25 GbE SFP28 ports actually move data?

The two SFP28 ports run at 25 GbE each. Actual transfer rates are limited by the PCIe Gen3 slot, the CPU, and the storage array, so sustained speeds will be below the theoretical maximum.

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