2U AIO Liquid Cooler — High-Capacity Server Rack Cooling
Tone Cooling’s 2U AIO liquid cooler delivers powerful closed-loop liquid cooling for 2U rack-mount servers, workstations, and GPU-accelerated computing platforms. With a 88mm (3.5″) rack height allowance, the 2U form factor accommodates larger radiators and higher-flow pumps, enabling thermal dissipation capacities up to 500W+ per CPU/GPU — making it the preferred cooling solution for AI training servers, HPC nodes, and multi-GPU workstations.
As a leading OEM liquid cooling manufacturer with 20+ years of experience, Tone Cooling offers complete customization for 2U AIO coolers including dual-CPU configurations, multi-radiator layouts, and integrated GPU cooling loops for the most demanding server thermal architectures.
Why 2U AIO Liquid Cooling for Servers?
Modern 2U servers increasingly house high-TDP processors and GPU accelerators — Intel Xeon W, AMD EPYC 9004 series, NVIDIA H100/H200, and AMD Instinct MI300 series — that generate substantial thermal loads. Standard air cooling in 2U chassis often requires extremely loud blower fans operating at high RPM, creating noise concerns and still struggling to maintain optimal temperatures under sustained compute loads. A 2U AIO liquid cooling system provides a dramatically more efficient and quieter thermal solution.

Key Advantages
High TDP Capacity (Up to 500W+): The additional vertical space in a 2U chassis allows for thicker radiators with higher fin density and larger pump assemblies, enabling cooling of processors and GPUs with TDPs exceeding 500W.
Dual CPU and CPU+GPU Cooling: Tone Cooling’s 2U AIO solutions can be configured with dual cold plates and a shared or independent loop design, providing simultaneous liquid cooling for two CPUs, or combined CPU and GPU thermal management within a single 2U server.
Reduced Acoustic Footprint: Liquid cooling enables fan speeds to be reduced by 30–50% compared to pure air-cooled 2U servers, significantly lowering noise output — a critical requirement for co-location facilities and on-premise enterprise deployments.
Consistent Thermal Performance Under Load: The high thermal mass of the liquid loop dampens temperature spikes during burst workloads, maintaining processor stability during sustained AI training, rendering, or simulation tasks.
2U AIO Liquid Cooler Specifications
| Parameter | Specification |
|---|---|
| Form Factor | 2U Rack Mount (88mm / 3.5″ height) |
| Cooling Type | Closed-Loop AIO Liquid Cooling |
| Cold Plate Material | Copper (C1100 / C1020), nickel-plated option |
| Radiator Material | Aluminum alloy, high-density fin |
| TDP Support | Up to 500W+ (customizable for dual-CPU/GPU) |
| Compatible Sockets | Intel LGA 4677 / 4189 / 3647; AMD SP5 / SP3; GPU cold plates for NVIDIA & AMD |
| Configuration | Single CPU, Dual CPU, CPU+GPU, Multi-GPU |
| Pump Type | High-flow micro-pump, PWM controlled |
| Coolant | Pre-filled, maintenance-free |
| Tubing | Reinforced FKM / EPDM, quick-disconnect option |
| Operating Temperature | 0°C to 55°C ambient |
| Lifespan | 60,000+ hours (MTBF) |
| Customization | Full OEM/ODM: cold plate, radiator, loop layout, fittings, fan specs |
Applications
AI Training and Deep Learning Servers: GPU-intensive AI training clusters running NVIDIA H100, A100, or AMD MI300 accelerators require sustained cooling at high TDP. 2U AIO liquid coolers provide the thermal headroom needed for maximum GPU utilization without throttling.
High-Performance Computing (HPC): Scientific research, computational fluid dynamics, weather modeling, and molecular simulations demand continuous high-frequency operation. Liquid cooling ensures processors maintain peak performance throughout extended compute runs.
Enterprise Workstations: Professional workstations for 3D rendering (Autodesk, SolidWorks), video post-production (DaVinci Resolve, Premiere Pro), and CAD/CAM benefit from the quiet, efficient cooling of a 2U AIO system.
Cloud and Hyperscale Data Centers: Cloud providers deploying custom 2U server platforms can leverage Tone Cooling’s OEM liquid cooling modules to increase compute density per rack while reducing cooling-related energy consumption (PUE improvement).
OEM/ODM Customization for 2U Servers
Tone Cooling provides end-to-end OEM support for 2U liquid cooling integration. Our engineering team collaborates with server OEMs on thermal simulation (CFD analysis), mechanical design integration, prototype development, and mass production. We offer flexible configurations including single-loop and dual-loop architectures, quick-disconnect fittings for field serviceability, and custom fan curve tuning to balance acoustic and thermal performance.
Frequently Asked Questions
Can a 2U AIO cooler handle dual-CPU server configurations?
Yes. Tone Cooling’s 2U AIO liquid coolers can be configured with dual cold plates connected in series or parallel within a single closed loop, or as two independent loops for maximum thermal isolation. This supports dual Intel Xeon or dual AMD EPYC configurations commonly found in 2U server platforms.
Is the 2U AIO cooler suitable for GPU cooling?
Yes. We offer custom GPU cold plates designed for NVIDIA and AMD professional GPUs. The 2U form factor provides sufficient space for a combined CPU+GPU liquid cooling loop, making it ideal for AI and HPC servers that require both CPU and GPU thermal management.
What is the noise level compared to air-cooled 2U servers?
Liquid-cooled 2U servers typically achieve noise reductions of 8–15 dBA compared to equivalent air-cooled systems under full load. The fans can operate at lower speeds because the liquid loop transfers heat to the radiator far more efficiently than direct air-to-heatsink cooling.
How long does the 2U AIO cooler last?
Our 2U AIO coolers are rated for 60,000+ hours MTBF under normal operating conditions. The sealed, maintenance-free design ensures reliable operation for 5–7 years in typical data center environments.
What is the lead time for custom OEM orders?
Standard lead time for custom 2U AIO cooler orders is 4–8 weeks from design finalization. Prototype development typically takes 2–3 weeks. Contact our sales team for detailed timelines based on your specific requirements.
2U AIO Cooling for AMD EPYC and AI Training Servers
The rise of GPU-accelerated AI training and AMD EPYC-powered HPC platforms demands liquid cooling solutions that can handle extreme thermal loads in standard 2U rack form factors. Tone Cooling’s 2U AIO liquid cooler is engineered for the most demanding workloads — from multi-GPU AI training rigs to dual-socket AMD EPYC 9004 series servers running large language model training, molecular simulation, and scientific computing.
Our 2U cooling solution supports thermal dissipation up to 650W per CPU/GPU, with multi-radiator configurations for dual-CPU and CPU+GPU hybrid systems. The 88mm (3.5″) rack height provides ample space for larger radiators and higher-flow pumps, delivering superior cooling performance compared to 1U configurations while maintaining compatibility with standard 2U server chassis.
Supported AI and HPC Platforms
- AMD EPYC 9004 (Genoa/Bergamo): Optimized cold plate designs for SP5 sockets with up to 360W TDP, supporting high core-count configurations for AI inference and parallel computing
- NVIDIA GPU Servers: Compatible cooling for systems featuring H100, H200, and A100 GPUs in PCIe and SXM form factors for AI training clusters
- Intel Xeon W / Sapphire Rapids: Full support for LGA4677 socket configurations in workstation-class and HPC server deployments
- Multi-GPU AI Training Nodes: Dual-loop and multi-radiator setups for 2U systems with 2-4 GPU configurations running distributed training workloads
Tone Cooling works directly with server ODMs and hyperscale data center operators to customize 2U AIO cooling modules — including cold plate surface optimization, pump flow rate tuning, and radiator sizing for specific chassis thermal budgets. Request a custom cooling solution for your AI server platform.
Request a Quote for Your Liquid Cooling Project
Whether you are sourcing cold plates for a new design, qualifying a supplier for an OEM program, or scaling to production volumes — ToneCooling’s engineering team is ready to support your project from prototype to production.
Submit your drawing or cooling requirements and receive a detailed quotation within 48 hours.
→ Request a Quote | Contact Us
Global Supply Capability
ToneCooling serves customers across North America, Europe, and Asia-Pacific from our ISO 9001 certified manufacturing facility in China. With annual production capacity exceeding 900,000 units, we support both prototype development (MOQ 5 pcs, 7–15 day lead time) and high-volume production (4–6 week lead time). All products include full export documentation for seamless customs clearance in destination countries.
Industry References & Standards
2U Aio Liquid Cooler Server is a critical component in modern thermal management. ToneCooling engineers this solution for AI servers, data centers, EV batteries, and power electronics requiring high-performance liquid cooling.
2U Aio Liquid Cooler Server: Key Specifications
When evaluating 2u aio liquid cooler server, engineers consider thermal resistance, pressure drop, flow rate, and material compatibility. ToneCooling provides detailed specs for every 2u aio liquid cooler server design, backed by CFD simulation and testing.
Why Choose ToneCooling for 2U Aio Liquid Cooler Server
ToneCooling has manufactured over 50,000 2u aio liquid cooler server units for global OEM customers. Our 2u aio liquid cooler server production features vacuum brazing furnaces below 10⁻⁴ mbar, FSW machines with ≤0.02mm flatness, and helium leak detection at 10⁻⁸ mbar·L/s. Every 2u aio liquid cooler server undergoes 100% pressure testing at 25 bar.
Our engineering team provides free 2u aio liquid cooler server design consultation, CFD simulation, and rapid prototyping in 7-14 days. Production 2u aio liquid cooler server orders ship in 4-6 weeks under ISO 9001:2015 quality management.
Need a Custom Liquid Cold Plate?
Tell us your thermal requirements. Engineering team responds within 48 hours with design proposal and quotation.
Request a Quote →MOQ 5 pcs • Prototype 7-15 days • ISO 9001 Certified



