Specifications
Form Factor
4U rackmount server chassis, 19-inch compatible
Cooling
Supports a 360 mm all-in-one (AIO) water cooler for effective CPU heat dissipation
Front Radiator
Front supports 3 x 120 mm fans, a 240 mm radiator or a 360 mm radiator
Construction
1.2 mm thick SGCC steel for superior hardware protection and long-term durability
Dimensions
480 mm x 427 mm x 176.8 mm
Motherboard
Supports SSI-EEB and various form factors up to high-performance configurations
Power Supply
Supports a standard ATX PSU or a mini-redundant PSU for mission-critical redundancy
Drive Bays
1 x 3.5-inch HDD plus 1 x 2.5-inch SSD, or 2 x 2.5-inch SSDs
Optional Cage
HDD/GPU fan cage adds a 120 mm fan to enhance GPU airflow
Expansion
7 expansion slots for add-in cards and accelerators
Front I/O
USB front-panel connectivity
Sibling Model
UNC-411E-B — 4U E-ATX 19-inch rackmount chassis (7 slots, up to 330 mm GPU, 140 mm cooler)
Related Line
Chieftec Titan 1650W PSUs, Duplex redundant PSUs, ICEBERG PRO CLC-360 AIO cooler
Target Use
AI/lab servers, GPU workstations in rack, industrial control and storage builds
Overview
Chieftec's UNC-409S-AIO is a 4U rackmount server chassis engineered to deliver robust performance and dependable reliability in demanding industrial environments. Constructed from 1.2 mm thick SGCC steel, it protects hardware while offering flexible configuration options.
Its headline feature is support for a 360 mm all-in-one water cooler, enabling effective CPU heat dissipation for high-performance and AI-oriented builds inside a standard rack. It accommodates SSI-EEB motherboards, accepts either a standard ATX PSU or a mini-redundant PSU for redundancy, and provides 7 expansion slots plus optional GPU-fan-cage cooling.
QS Compute supplies Chieftec racks, chassis, redundant PSUs and AIO coolers to system integrators, industrial-PC builders and datacentre teams, with volume pricing and configuration support.
Key Benefits
360 mm AIO support for high-TDP CPUs in a 4U rack. 1.2 mm SGCC steel for rugged durability. PSU flexibility — standard ATX or mini-redundant for redundancy. SSI-EEB and 7 slots for multi-GPU/accelerator builds. Industrial-grade reliability for mission-critical deployments.
Applications
AI and GPU lab servers in 19-inch racks; industrial control and edge-server builds; storage and NAS chassis; test-bench and engineering workstations; redundant-PSU mission-critical deployments; system-integration and OEM builds.
Request a Quote — CHIEFTEC UNC-409S-AIO 4U RACK SERVER CHASSIS — 360 MM AIO SUPPORT
QS Compute — global B2B supply of AI computing hardware, edge AI systems and accelerators. Volume pricing, 15-day sample lead time.
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