Synology UC3400 12-Bay Diskless SAS Unified Controller
Synology UC3400 12-Bay Diskless SAS Unified Controller
Description
No. of Controller Module: 2
CPU: Intel Xeon D-1541, 8-core 2.1 (base)/2.7 (turbo) GHz
RAM: 8GB DDR4 ECC UDIMM (per controller), Max Memory Capacity: 64GB (4x 16GB) (per controller)
Drive Bays: 12
Compatible Drive Types: 2.5" Dual-Port SAS SSD, 3.5" Dual-Port SAS HDD
I/O: 2x RJ45 1GbE, 1x RJ45 10GbE
PCIe Expansion: 1x Gen3 x8 Slot (x8 link) (per controller)
UC3400
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Learn more
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
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BANK TRANSFER (EFT)
Accepted payment methods
Description
No. of Controller Module: 2
CPU: Intel Xeon D-1541, 8-core 2.1 (base)/2.7 (turbo) GHz
RAM: 8GB DDR4 ECC UDIMM (per controller), Max Memory Capacity: 64GB (4x 16GB) (per controller)
Drive Bays: 12
Compatible Drive Types: 2.5" Dual-Port SAS SSD, 3.5" Dual-Port SAS HDD
I/O: 2x RJ45 1GbE, 1x RJ45 10GbE
PCIe Expansion: 1x Gen3 x8 Slot (x8 link) (per controller)
UC3400
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Learn more
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
Read more

UC3400
Active-active SAN for mission-critical environments.
Non-disruptive block storage services
Dual Controller Module
Ensure interruption-free iSCSI and FC services
High Performance
Over 180,000 4K Random Write IOPS, and up to 576 TB of storage
Virtualisation-ready
Full support for mainstream virtualization systems
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 maximise 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,1 it supports a wide range of demanding workloads.
Virtualisation-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.
Built-in data protection and security
Maximise 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
Native support for self-encrypting drives (SEDs) provide hardware-level encryption for mission-critical and sensitive data at rest.
UC3400
1 - Power Button and Indicator
2 - High Availability Status Indicator
3 - Alert Indicator
4 - Mute Button
5 - Drive status indicators
6 - Drive trays
7 - Rail Kit Release Tabs
8 - Power Ports
9 - PSU indicators
10 - PSU fans
11 - PCI Express Expansion Slots
12 - Console ports
13 - 1GbE RJ-45 Ports
14 - 10GbE RJ-45 ports
15 - Expansion Ports
16 - Reset Buttons
17 - Remove Indicators
18 - Alert Indicators
19 - Status Indicators
20 - Power Indicators
3.5" Dual-Port SAS HDD
CPU: Intel Xeon D-1541
8-core 2.1 (base)/2.7 (turbo) GHz
Drive Bays: 12
I/O: 2x RJ45 1GbE
1x RJ45 10GbE
No. of Controller Module: 2
PCIe Expansion: 1x Gen3 x8 Slot (x8 link) (per controller)
RAM: 8GB DDR4 ECC UDIMM (per controller)
Max Memory Capacity: 64GB (4x 16GB) (per controller)
Synology UC3400 12-Bay Diskless SAS Unified Controller
UC3400






