Artificial Intelligence (AI) is transforming industries from autonomous driving to data centers. At the heart of this revolution are AI servers, powered by high-performance GPUs mounted on advanced HDI server PCBs. AI server PCBs form the backbone of AI computation, providing high-density interconnections, signal integrity, and power stability.
PCBONLINE, a one-stop OEM PCB manufacturer, specializes in producing turnkey AI server PCBs and PCBAs. With turnkey PCB fabrication and PCBA assembly, PCBONLINE delivers high-reliability solutions for leading-edge computing.
Below, we will show AI server PCB pictures manufactured by PCBONLINE. PCBONLINE provides clients around the globe with GPU/AI server PCB production.
Features of AI Server PCBs
AI server PCBs represent the highest manufacturing technology in the PCB industry. Our AI server PCBs must support:
GPU BGA large pads: AI computation relies on GPUs (such as NVIDIA A100/H100 or AMD Instinct series), which connect to the PCB through large fine-pitch BGA pads. The image above shows an AI server PCB manufactured by PCBONLINE with a GPU BGA footprint.
HDI 24+ layers: To support ultra-high-density routing of PCIe Gen5, NVLink, and high-bandwidth memory interfaces, AI server PCBs are typically 24 layers or more.
Power delivery for high wattage: Each GPU consumes hundreds of watts. Wide copper planes and advanced VRM design are required for stable operation.
Thermal management: Thick copper, thermal vias, and optimized stack-ups are used to manage massive heat output.
Signal integrity: Inner-layer high-speed traces reduce crosstalk and electromagnetic interference (EMI).
AI server PCBs are the most advanced printed circuit boards in the PCB industry. They align with PCBONLINE's mid-to-high-end PCB manufacturing positioning.
China's Leadership in AI Server PCB Manufacturing
Currently, 70%–80% of AI server GPU PCBs are produced in China, making it the global hub for AI computing hardware.
Why does China lead this market?
- Mature HDI manufacturing: Proven capabilities in 20 to 64 layer HDI PCBs.
- Supply chain integration: Local ecosystem for laminates, surface finishes, and BGA socket production.
- Cost-performance advantage: Competitive pricing with world-class quality.
- Large-scale OEM capacity: Ability to support global data centers and AI startups alike.
PCBONLINE is part of this ecosystem, offering high-end turnkey AI server PCBs that meet global enterprise standards.
Example: PCBONLINE's AI Server PCB (See Pictures)
This image shows a real AI server PCB manufactured by PCBONLINE. It features:
- GPU BGA pad zone: The dense white pad array is for a high-performance GPU package.
- HDI interconnections: Buried and blind vias connect inner layers, supporting high-speed GPU-to-memory routing.
- High reliability: Fabricated under IPC-A-610 Class 3 industrial grade standards, ensuring long-term operation in data centers.
PCBONLINE not only produces the AI server PCB but also provides its full PCBA services, including surface mounting GPU, DDR (double data rate SDRAM), HBM (high bandwidth memory), and other components, functional testing, and burn-in validation.
AI Server PCBA Process
At PCBONLINE, we provide turnkey PCB assembly for AI server PCBs.
1. Preparing AI server PCBs and components
Inspect PCBs and components on arrival. For PCBs with high layer counts or tight tolerances, check surface finish, registration, and hole quality.
If the moisture-sensitive components, like GPUs (large BGAs), are open before, we bake them according to MSL to avoid popcorn defects during reflow.
2. Solder paste application and inspection
Apply solder paste via a precision stencil. Paste volume control is crucial for fine-pitch BGA and dense passive arrays near CPU/GPU areas. Then check the solder paste to ensure solderability.
3. SMT pick-and-place
Place resistors, capacitors, small ICs, decoupling caps, and parts around memory and power regions with high placement accuracy.
Then place large-footprint components, including GPU, DDR, and HBM.
4. Pre-reflow inspection
AOI (Automated Optical Inspection) checks component placement to identify any prone soldering issues and prevent economic losses due to defective reflow soldering.
5. Reflow soldering
In a nitrogen atmosphere, we have a reflow soldering to the AI server PCBA under a controlled profile for high-reliability joints.
6. Post-reflow inspection
AOI (Automated Optical Inspection) checks visible solder joints and component presence.
X-ray inspection is used for BGA and hidden solder joints to detect voids, cold joints, insufficient solder, or bridging in the GPU area.
7. Thermal interface application & mechanical fittings
We install and securely anchor retention brackets, screw posts, and standoffs for heatsinks. We also mount and fasten metal heatsinks, cold plates, or vapor chambers onto the AI server PCB.
8. Functional test
Power-on smoke test, measure voltages, program BIOS/firmware, and run board-level functional checks.
9. Burn-in testing
AI server PCBs go into burn-in racks, where workload tools run for hours to days to detect early failures. Thermal cycling is applied to confirm stability under load.
10. Final QA and traceability
We label and attach serial numbers and test reports to each AI server PCBA unit. If the units need conformal coating, special shipping packaging, or custom firmware, we process accordingly.
Partner with PCBONLINE for Turnkey AI Server PCBs
If you are designing next-generation GPUs for AI and GPU servers, work with PCBONLINE for turnkey OEM service. We provide AI server PCB manufacturing services that cover GPU PCB manufacturing, assembly, testing, and reliability assurance.
Founded in 2005, PBONLINE has two large advanced PCB manufacturing bases and one PCB assembly factory.
AI server PCB fabrication with HDI via-in-pad copper filling for GPU designs with 24+ layers.
We provide one-stop AI server PCB manufacturing, including component sourcing, PCB fabrication, assembly, testing, and system integration.
SMT assembly with fine-pitch BGA placement accuracy and custom reflow profiles for warpage-free soldering.
100% X-Ray inspection, functional testing, and burn-in testing for guaranteed reliability.
We have rich experience in impedance control, oven temperature control, and assembly fixture designs.
Supporting IC programming in the Cloud way, manipulated by you, and protecting your intellectual property.
High-quality PCBA manufacturing certified with ISO 9001:2015, ISO 14001:2015, IATF 16949:2016, RoHS, REACH, UL, and IPC-A-610 Class 2/3.
At PCBONLINE, we can help our clients reduce costs while achieving the highest levels of performance and reliability. If you feel interested in AI server PCBs from PCBONLINE, send your inquiry by email to info@pcbonline.com.
Conclusion
AI server PCBs are 24+-layer HDI PCBs powering GPUs for deep learning and high-performance computing. As the global demand for AI computing grows, China supplies over 70% of AI server PCBs, with PCBONLINE standing out as a reliable turnkey AI server PCB manufacturer. If you are looking for a trusted partner for AI server PCBs, contact PCBONLINE for turnkey OEM manufacturing.
PCB assembly at PCBONLINE.pdf
