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Black 1U rackmount NAS with four front drive bays, rear dual power supplies and network ports

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 32GB 32TB 25GbE

SKU CH-HWTW-E78G2

A 4-bay rackmount NAS with Xeon D-1726 processor, 32GB DDR4 memory, 32TB of enterprise drives, and dual 25GbE SFP28 ports

  • CPUIntel Xeon
  • Form factor4-Bay
  • LAN ports2 x RJ-45 10GbE LAN Ports 2 x SFP28 25GbE Ports via Synology
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM32 GB
  • Drives included32 TB (4 × 8 TB)
  • Intel Xeon D-1726 6-core processor drives demanding workloads
  • 32GB DDR4 ECC memory supports virtualization and databases
  • 32TB enterprise storage with four 8TB Synology drives
  • Dual 25GbE SFP28 plus dual 10GbE RJ-45 for high-speed networking
  • 1U rackmount design fits standard 481.9mm cabinets

4-Bay Xeon Rackmount NAS

The Synology RS1626xs+ is a 1U enterprise rackmount NAS built around an Intel Xeon D-1726 six-core processor and 32 GB of DDR4 ECC memory. It ships fully assembled with four 8 TB Synology enterprise drives providing 32 TB of raw storage. The system targets businesses that need virtualization, file sharing, backup and surveillance in a compact rackmount form factor.

Dual 25GbE and 10GbE networking

Two built-in 10GbE RJ-45 ports and a Synology PCIe card with dual SFP28 25GbE ports handle high-throughput workloads. A dedicated out-of-band management LAN port keeps administration separate from data traffic. The unit operates between 5 °C and 35 °C on 100–240 VAC power with redundant C13 to C14 cords.

32 TB pre-populated with enterprise drives

The array arrives with four 8 TB Synology Enterprise NAS drives installed and tested, delivering 32 TB of capacity immediately. Two M.2 NVMe slots and a PCIe Gen4 x8 slot allow cache or expansion, while a compatible Synology expansion unit can scale the system to 16 drives. Buyers who need more bays or a different drive configuration should consider other models.

How it compares

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

Price $8,917.99
Pricier than about 65% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS1626xs+
Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included32 TB (4 × 8 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Ports
2 x SFP28 25GbE Ports via Synology PCIe Card
1 x Out-of-Band Management LAN Port
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 × 481.9 mm × 668.5 mm
Product weight9.5 kg
In the box
In the boxMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items
Environment & compliance
Temperature range5 °C - 35 °C
Humidity range8% to 80% RH
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

How do I install the 2-Port 25GbE PCIe card and which slot should I use?

Insert the Synology 2-Port 25GbE Adapter into the PCIe Gen4 x8 expansion slot; the unit arrives fully assembled and tested with the card already seated in that slot.

Which components may need replacement after extended operation?

The four 8TB Synology Enterprise NAS drives are the primary field-replaceable units; the 16GB DDR4 ECC RDIMM memory and M.2 NVMe cache modules can also be swapped if required.

What thermal limit appears first during sustained heavy workloads?

The operating temperature ceiling of 35 °C is the first environmental limit reached under continuous high load; internal throttling protects the Xeon D-1726 processor before that point.

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