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Silver 2U rackmount chassis with twelve front drive bays and front panel LEDs

Synology Inc.

Synology Inc. RS3626xs 12-Bay Rackmount NAS 32GB DDR4 192TB (12 x 16TB) 25GbE Adapter

SKU CH-RHSV-98FE4

A 12-bay rackmount NAS with 32GB DDR4, a Xeon D-1726 processor, twelve 16TB SATA drives and dual 25GbE SFP28 ports

  • CPUIntel Xeon
  • Form factor12-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 included192 TB (12 × 16 TB)
  • Enterprise-grade Xeon D-1726 processor drives demanding workloads
  • 12-bay chassis holds 192TB of Synology Enterprise drives
  • Dual 25GbE SFP28 ports deliver ultra-fast network throughput
  • 32GB DDR4 ECC memory ensures data integrity under load
  • Redundant power supplies protect uptime from single failures

Enterprise 12-Bay NAS with 25GbE

The Synology RS3626xs is a 2U rackmount network-attached storage server pre-loaded with 192 TB of raw capacity across twelve 16 TB enterprise-class SATA drives. A six-core Intel Xeon D-1726 processor and 32 GB of DDR4 ECC memory drive file services, virtualization and backup workloads for businesses that need high throughput in a compact form factor. Dual redundant power supplies protect uptime against a single supply failure.

Upgrade from 10GbE or single-port 25GbE

The included two-port 25GbE SFP28 adapter replaces slower 10GbE links or single-port 25GbE cards, doubling available bandwidth for hypervisor storage, video editing shares or multi-site replication. The jump is worth it when sustained sequential workloads regularly saturate 10 Gb/s links or when failover across two physical ports is required for service-level agreements. Two PCIe Gen 4 x8 slots remain open for future caching or fibre-channel expansion.

Limits of 25GbE SFP28 and 12-bay SATA

Throughput tops out at 25 Gb/s per port, so aggregate bandwidth cannot exceed 50 Gb/s without additional adapters. Twelve 3.5-inch bays cap raw capacity at the installed 192 TB unless larger SATA drives become available. Memory maxes at 48 GB, limiting concurrent virtual machines or heavy deduplication tasks. Operating temperature range stops at 35 °C, requiring controlled server-room cooling.

How it compares

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

Price $16,422.99
Pricier than about 90% 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 nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included192 TB (12 × 16 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
2 × 25GbE SFP28
USB ports2 x USB 3.2 Gen 1 Ports
Power
Power details100-240 VAC 50/60 Hz
Size & build
Form factor12-Bay
Product dimensions88 mm × 482 mm × 724 mm
Product weight14.5 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 range0 °C to 35 °C (32 °F to 95 °F)
Humidity range8% to 80% RH
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

What rack depth and weight clearance does the 88 mm × 482 mm × 724 mm, 14.5 kg chassis require?

The 2U unit is 724 mm deep and weighs 14.5 kg; verify your rack rails support at least that depth and load before mounting.

Which expansion slot do I use for the included 2-port 25GbE SFP28 adapter, and what common step is missed?

Install the adapter in one of the two PCIe Gen 4 x8 slots, then attach the SFP28 transceivers and cables — many forget to seat the transceivers fully so the link never comes up.

When will the twelve 16 TB SATA drives need replacement, and what is the memory upgrade path?

Plan drive replacement after the rated workload or warranty period; memory can be expanded from 32 GB to 48 GB using compatible DDR4 ECC modules.

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