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Silver 1U rackmount NAS with four front drive bays, status LEDs and two power supplies

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 32GB 3.2TB Cache 16TB Drives

SKU CH-D19C-MCX3K

Enterprise 4-bay rackmount NAS with Xeon D-1726 processor, 32GB DDR4, 3.2TB NVMe cache and 16TB of pre-installed drives

  • CPUIntel Xeon
  • Form factor4-Bay
  • LAN ports2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM32 GB
  • Drives included16 TB (4 × 4 TB)
  • Intel Xeon D-1726 6-core processor powers virtualization and business workloads
  • 32GB DDR4 ECC memory supports multi-tasking and data integrity
  • 2TB NVMe cache accelerates frequent data access
  • 16TB enterprise drives provide protected storage capacity
  • Dual 10GbE RJ-45 ports enable high-speed network connectivity

Synology RS1626xs+ 4-Bay Rackmount NAS

The Synology RS1626xs+ is a 1U rackmount network-attached storage server built for business workloads. It ships fully assembled with an Intel Xeon D-1726 processor, 32GB of DDR4 memory, 3.2TB of NVMe cache, and four 4TB enterprise drives installed.

Who this suits and who should look elsewhere

This unit fits organisations that need integrated 10GbE networking, hardware-accelerated encryption, and room to grow with a Synology expansion unit. Buyers who require more than four internal drive bays, a different processor family, or a tower form factor should consider other models.

Dual 10GbE RJ-45 ports define connectivity

Two 10GbE RJ-45 LAN ports and a dedicated management port provide high-throughput, low-latency network access without extra adapters. This built-in 10GbE capability is the key specification that determines whether the RS1626xs+ matches your infrastructure.

How it compares

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

Price $9,914.99
Pricier than about 70% of the 763 comparable items (median $6,564.99).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSynology
Model nameRS1626xs+
Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included16 TB (4 × 4 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Port
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

What maintenance will the four 4TB enterprise NAS drives need over time?

The four 4TB Synology Enterprise NAS drives are sealed units with no user-serviceable parts; plan to replace any drive that SMART reports as degrading or that DSM marks as failed.

Which limit appears first when the Xeon D-1726 runs sustained workloads?

The 32GB DDR4 ECC memory ceiling is reached before the six-core Xeon D-1726 saturates, so memory capacity becomes the first bottleneck.

How much heat and power does the 1U rackmount draw when running all day?

The unit operates on 100-240 VAC at 50/60 Hz within a 5 °C to 35 °C ambient range; power draw varies with drive and cache activity.

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