SYNOLOGY 

SYNOLOGY 12-BAY ACTIVE-ACTIVE DUAL CONTROLLER SAN UC3400 (DISKLESS)

Mfg Part Number:  UC3400  
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Price: $10,052.77 + Free Shipping
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In Stock: 4
Last Updated: Feb 22, 2026
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Reliability and High Availability

Active-active dual controllers work simultaneously to ensure zero downtime in the event of a controller failure while the non-transparent bridge (NTB) enables inter-domain communication to maximize the protection of in-flight data.

Active-Active SAN with enterprise-class performance

Designed for mission-critical environments, UC3400 is a high-availability SAN solution supporting Fibre Channel (FC) and iSCSI protocols. With over 180,000 4K random write IOPS,1it supports a wide range of demanding workloads.

Virtualization-ready

Full certification for VMware, vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack environments

Support for Windows Offloaded Data Transfer (ODX), VMware vSphere Storage APIs Array Integration (VAAI), and ALUA ensure optimized and efficient storage operations

OpenStack®Cinder support enables UC3400 to become a block-based storage component

Flexible network options

Boost network from 10GbE and dual 1GbE RJ-45 ports to 10/25 Gb Ethernet cards or 16 Gb Fibre channel host bus adapters on each controller.2

Built-in data protection and security

Maximize service uptime for critical services and enhance data security with snapshot protection and self-encrypting drive support in UC3400.

Snapshot Replication

Built-in software offers application-aware snapshot protection and instant recovery of virtual machines in iSCSI LUNs in the event of a disaster.

Self-encrypting drive support

Storage expansion

Simple capacity expansion of up to 576 TB of raw storage is available with two Synology RXD1219sas Expansion Units.3

Performance backed by Synology drives

Leverage high sustained performance and reliability with enterprise-grade drives with built-in protection designed for Synology systems.

Main Specification
General Information
Manufacturer Synology, Inc
Manufacturer Part Number UC3400
Manufacturer Website Address http://www.synology.com
Brand Name Synology
Product Model UC3400
Product Name UC3400 SAN Storage System
Packaged Quantity 1
Product Type SAN Storage System
Storage
Number of Hard Drives Supported 12
Number of Hard Drives Installed 0
Number of Solid State Drive Supported 12
Number of Solid State Drive Installed 0
Processor & Chipset
Number of Processors Installed 2
Processor Manufacturer Intel
Processor Type Xeon
Processor Model D-1541
Processor Core Octa-core (8 Core)
Processor Speed 2.10 GHz
Memory
Standard Memory 16 GB
Memory Technology DDR4 SDRAM
Network & Communication
Ethernet Technology Gigabit Ethernet
Ethernet Technology 10 Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays 12
Number of 2.5"/3.5" Bays 12
Total Number of Expansion Slots 2
Expansion Slot Type PCI Express 3.0 x8
Controllers
Number of Controllers 2
Controller Type Serial Attached SCSI (SAS)
RAID Supported Yes
RAID Levels 0, 1, 5, 6, 10, Basic, JBOD, RAID F1
Interfaces/Ports
Number of SAS Ports (External) 2
Network (RJ-45) Yes
Number of Network (RJ-45) Ports 6
Software
Operating System DiskStation Manager
Management & Protocols
Protocols iSCSI
Protocols Telnet
Protocols SSH
Protocols SNMP
Power Description
Number of Power Supplies Installed 2
Maximum Power Supply Wattage 500 W
Redundant Power Supply Yes
Physical Characteristics
Height 3.5"
Width 19"
Depth 28.5"
Form Factor Rack-mountable
Rack Height 2U
Weight (Approximate) 43.43 lb
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