NAS Buying guide NAS Buying Guide

Synology UC3200 is designed for high-availability SAN environments, Synology Unified Controller UC3200 offers active-active architecture for non-distruptive iSCSI service. It provides resilient data protection solutions with a simplified management interface while maximising service uptime for critical services. UC3200 is backed by Synology's 5-year limited warranty

  • High performance, active-active storage solution to provide non-disruptive iSCSI services
  • Over 140,000 4K Random Write IOPS enterprise-class performance with low latency
  • Flexible capacity able to scale up to 36 drives with RXD1219sas expansion units
  • Virtualization-ready with VMware vSphere, Microsoft Hyper-V, Citrix XenServer and
  • OpenStack Cinder compatibility
  • Resilient cache protection mechanism to prevent data loss
  • Instant data protection with built-in snapshot and replication technologies
  • Simple and unified user interface to effortlessly manage data and storage tasks
  • Backed by Synology's 5-year limited warranty



Model Unfied Controller UC3200 (SAS)
Classification Enterprise
Form Factor 2U Rack Mount
Scalable Yes
HDD Pre-Installed Diskless
Drive Bays 12 ( Expand upto 36 Bays with 2 x RXD1219SAS)
Drive Bay Configuration (#) 12 x 3.5/2.5" SAS HDD/SSD
Storage Capacity (Installed) None
Hot Swap Bays Yes
Processor Intel Xeon D-1521 4-core
CPU Clock Speed 2.4GHz
Memory DRAM (Installed / Max) 8GB / 64GB
Memory Type DDR4 ECC UDIMM
USB Port No
eSATA Port No
LAN 2 x 1GbE RJ-45 + 1 x 10GbE RJ-45 (10GBASE-T) ) Per Controller
Cooling Fan 4 x (60 x 60 x 51 mm)
Package Contents Main Unit (1), AC Power Adapter (1), RJ45 Cable (2), Accessory Pack (1)
Packaging Retail
Warranty 5 years


Number of Controller Module 2


CPU Model Intel Xeon D-1521
  CPU Quantity (per controller) 1
  CPU Architecture 64-bit
  CPU Frequency Quad Core 2.4 (base) / 2.7 (turbo) GHz
  Hardware Encryption Engine (AES-NI)  


System Memory (per controller) 8 GB DDR4 ECC UDIMM
  Pre-installed Memory Module (per controller) 8 GB (8 GB x 1)
  Total Memory Slots (per controller) 4
  Expandable Memory (per controller) 64 GB (16 GB x 4)
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.


Drive Bays 12
  Maximum Drive Bays with Expansion Unit 36 (RXD1219sas)
  Compatible Drive Type* (See all supported drives)
  • 3.5" SAS HDD
  • 2.5" SAS HDD
  • 2.5" SAS SSD
  Maximum Internal Raw Capacity 192 TB (16 TB drive x 12) (Capacity may vary by RAID types)
  Maximum Raw Capacity with Expansion Units 576 TB (16 TB drive x 36) (Capacity may vary by RAID types)
  Maximum Single Volume Size* 108 TB
  Hot Swappable Drive  
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port (per controller) 2 (with Link Aggregation / Failover support)
  RJ-45 10GbE LAN Port (per controller) 1


PCIe Expansion (per controller) 1 x Gen3 x8 slot (x8 link)
  Add-In-Card Support PCIe Network Interface Card (Learn more)

File System

Internal Drives Btrfs


Size (Height x Width x Depth) 88 mm x 482 mm x 724 mm
  Weight 19.7 kg
  Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS1317)
  Notes The rail kit is sold separately


System Fan (per controller) 60 mm x 60 mm x 2
  Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  Easy Replacement System Fan  
  Power Recovery  
  Noise Level* 51.3 dB(A)
  Power Supply Unit / Adapter 500W
  Redundant Power Supply  
  AC Input Power Voltage 100 V to 240 V AC
  Power Frequency 50/60Hz, Single Phase
  Power Consumption* 417.48 W (Access)
274.38 W (HDD Hibernation)
  British Thermal Unit 1425.45 BTU/hr (Access)
936.85 BTU/hr (HDD Hibernation)
  • Power consumption is measured when it's fully loaded with Seagate ST3600057SS hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate ST8000NM0075 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology server at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.


Operating Temperature 0°C to 35°C (32°F to 95°F)
  Storage Temperature -20°C to 60°C (-5°F to 140°F)
  Relative Humidity 5% to 95% RH


  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI


5 Years
  Notes The warranty period starts from the purchase date as stated on your purchase receipt. 


RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1

Optional Accessories

  • D4EC-2666-8G DDR4 ECC UDIMM*
  • D4EC-2400-16G DDR4 ECC UDIMM*
  • Expansion Unit: RXD1219sas X 2
  • Synology Ethernet Adapter E10G17-F2
  • Synology Ethernet Adapter E10G18-T1
  • Synology Ethernet Adapter E10G18-T2
  • Synology Rail Kit Sliding - RKS1317
  Notes All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
SKU UC3200
Barcode # 846504003129
Shipping Weight 4.0000kg

Manufacturer Warranty: 5 Year

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