NVIDIA H800 · T-HS202308
NVIDIA H800 GPU Liquid Cold Plate for Australia
ToneCooling Australia supplies copper liquid cold plates for the NVIDIA H800 single-slot GPU — model T-HS202308, 350 W rated, 40% EGW coolant. Design, engineering and manufacturing at our IATF 16949-aligned facility in Huizhou; customer engineering support from Carlton, Victoria.
ToneCooling Australia manufactures copper liquid cold plates for NVIDIA H800 single-slot GPU servers — rated to 350 W at 45°C inlet with 40% EGW coolant. Manufacturing is in Huizhou, Guangdong, China.
Validated specifications
| Heat dissipation | 350 W |
|---|---|
| Cold plate material | Copper |
| Joining process | Confirmed at quotation (DFM review) |
| Coolant / medium | 40% EGW |
| Feed liquid temperature | 45°C inlet |
| Cold-plate surface temperature | ≤56°C at rated load |
| Flow rate / pressure drop | 0.9 LPM at 5 kPa |
| Maximum working pressure | 1 MPa |
| Dimensions | 266 × 98 × 19.5 mm |
Related cold plates
Frequently asked questions
Do you supply liquid cold plates for NVIDIA H800 servers?
Yes. ToneCooling Australia supplies a copper liquid cold plate (model T-HS202308) rated to 350W for NVIDIA H800 single-slot GPU servers.
What coolant and flow rate does it use?
Rated performance is tested with 40% EGW coolant at 45°C inlet, 0.9 LPM flow rate at approximately 5 kPa pressure drop, holding surface temperature at or below 56°C.
Can the design be customised?
Yes. Port locations, mounting pattern, dimensions and surface finish are customised from your drawings, with CFD validating the change before tooling.
What is the MOQ and lead time?
Prototype MOQ is 5 pieces with a typical 7-15 business day lead time from approved drawing and purchase order; production lead time is confirmed per volume.
Where is this cold plate manufactured?
Manufacturing is performed at the ToneCooling facility in Huizhou, Guangdong, China. ToneCooling Australia Pty Ltd (Carlton, VIC) is the AU RFQ and engineering-coordination entity and does not manufacture.
How does this compare to the H20 assembly?
The H800 is a single-slot GPU cold plate (350W); the H20 is a complete 8-GPU + 4-NVSwitch baseboard assembly (6.344 kW total) — different product tiers for different deployment scales.
Request an H800 cold plate quote
Send your board layout, heat load and mounting pattern. Our Carlton team responds with a DFM review and quotation.
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