NVIDIA GB200/GB300 Server Copper Brazed Cold Plate Liquid Cooler
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Detailed Product Description
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NVIDIA GB200/GB300 Server Copper Brazed Cold Plate Liquid Cooler Technical Specifications Core Structure: Single-chip independent cold plate (compatible with B300 GPU) + 3D-printed titanium alloy microchannels (channel width < 0.3mm); Thermal Interface: Gallium-based liquid metal adopted (thermal conductivity: 73 W/m·K), with thermal resistance as low as 0.02 cm²·K/W; Cooling Capacity: Heat dissipation capacity of a single cold plate up to 1400W, and total heat dissipation capacity of the complete system (72 GPUs) exceeding 100kW; Fluid Parameters: Compatible with PG25 coolant / deionized water, flow rate: 2–4 m/s, pressure resistance ≥ 10 bar; Connectors: Equipped with NVUQD03 quick-disconnect couplings, only 1/3 the size of the previous generation, with 252 pairs installed per system. Application Fields AI Data Centers: GB300 NVL72 rack-scale AI servers (supporting large language model inference / training); Supercomputing / High-Performance Computing (HPC): Large-scale parallel computing tasks (e.g., scientific simulation, quantum computing assistance); High-Density Computing Scenarios: Modular computing units such as Meta Clemente 1U 4-GPU compute sleds. Cold Plate Radiator According to the power consumption data and power consumption distribution location of the cold plate heat dissipation provided by the customer, we design the internal flow channel of the cold plate in a targeted manner. Flow channel design objectives: The surface temperature of the cold plate meets the customer's requirements for temperature rise and temperature uniformity performance; The fluid flow resistance inside the cold plate is within the allowable range. Perform simulation analysis on temperature and pressure drop for the designed flow channels, and adjust the design values of different internal parameters of the cold plate according to the analysis results until both the temperature and pressure drop requirements are met simultaneously. Equipment for Liquid Cold Plate ProductionThe equipment equipped by our company for the production of liquid
cold plates is as follows: gas-shielded tunnel brazing furnace, vacuum brazing furnace, helium leak detection equipment, hydrostatic testing equipment, pneumatic testing equipment, hydrostatic ultrasonic C-scan testing equipment, flow resistance testing equipment, thermal resistance testing equipment and other related supporting equipment. Tunnel Brazing Furnace: 2 Units Max Welding Dimension: 1000mm (W) × 250mm (H), length unlimited Max Welding Temperature: 950℃ Applicable Materials: Copper, Aluminum Vacuum Brazing Furnace: 2 Units Max Welding Dimension: 800mm × 1200mm × 800mm Max Welding Temperature: 1200℃ Applicable Materials: Copper, Aluminum, Stainless Steel Helium Leak Detector: 2 Units Max Testing Dimension: 2500mm × 750mm × 700mm Testing Pressure Range: 0–3MPa Testing Precision: 2g/year or ≤1×10⁻⁶ Pa·m³/s Hydrostatic Testing Equipment: 2 Units Max Testing Dimension: 2500mm × 1500mm × 1000mm Testing Pressure Range: 0–5MPa Pneumatic Testing Equipment: 2 Units Max Testing Dimension: Unlimited Testing Pressure Range: 0–5MPa Testing Precision: 1Pa Advanced Brazing Technology Our vacuum brazing process joins aluminum plates using filler metal
with lower melting points than the base material, creating
extremely strong joints without residual corrosive flux. This
high-end technology provides uniform heating, precise temperature
control, eliminates post-cleaning requirements, and minimizes part
distortion. Key Applications
Quality Assurance We maintain rigorous quality standards with 1 Coordinate Measuring
Machine, 1 projector instrument, 2 water high pressure testing
machines, 4 thermal resistance testing machines, and 2 liquid
leakage testing machines. Customer Service
Frequently Asked Questions Are you a trading company or manufacturer? We are a professional manufacturer of heat sinks and water cooling
plates with extensive experience and a strong technical team,
featuring automated and mechanized production. Have you exported goods before and to which regions? 60% of our total production is exported to Japan, India, UK,
Canada, USA, and Brazil. How many employees do you have? Approximately 100 employees across sales, purchasing, engineering,
QA, warehouse, and production departments. Can you provide samples if we agree with the design? Yes, we provide samples for confirmation before mass production,
along with technical drawings if required. What packing methods do you use? Customized packing with normal cartons and tight-proof fabric or
wooden cartons for optimal protection during transportation. Do you provide technical support for product issues? All products are fully inspected before shipping. For any issues,
we provide immediate technical solutions. |
| Product Tags: NVIDIA GB200 liquid cooling plate copper brazed server cooler GB300 liquid cooling plate |
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