RTX 5090 Palit/Gainwood Watercool Heatkiller Ultra RGB GPU Waterblock with backplate

Used condition with some block staining and nickel plate wear.

This is the top of the range Ultra model with the narrower fins and bigger block surface, compared to the Pro.

This has been used for the last 8 months in a 24/7 server, hence the wear.

The thermal pads have been left on for refrence only, these should not be used again

This would be ideal if you want to open it up and give it a polish or are running a coloured coolant.

This comes  complete with the RGB strip and PCIe bracket (not pictured). It is also in its original box

This will be shipped on a Royalmail T48 service.

Any questions, please ask!

Sales info:

The new HEATKILLER V graphics card coolers for Palit and Gainward RTX 5090 graphics cards are the consequent further development of our already very successful RTX 4090 graphics card coolers, optimised for maximum performance.
Key features of the HK V ULTRA series:

– Modular ULTRA – performance base plate
– Dual layer airflow
– Symmetrical cooling design
– Design-integrated mounting threads in the connection module
– Connection module screwed to copper base plate
– Screwless – more compact design
– aRGB board with improved connector System

Modular ultra-performance base plate with 100 x 0.15mm fins
With 100 x 0.15mm fins, we are setting the standard for water-cooled graphics card coolers with our current ultra-performance baseplate. Compared to the PRO version, the ULTRA version has a larger cooling surface, which ensures better temperatures. The Ultra-Performance base plate is currently considered the reference in the water cooling sector.
All spacing to heat-sensitive components has been reduced to a minimum so that the heat from thermal problem zones such as the ram and voltage converters is ideally dissipated. Spacers made of the high-performance plastic PEEK insulate the cooler optimally from the circuit board and make installation easier.
Dual-layer inflow and symmetrical cooling design
The dual-layer inflow and the symmetrical cooling design can be found in the current version of our HEATKILLER V GPU cooler. The increased inflow is particularly important for the ultra-performance base plate. The division of the water into two levels ensures a better flow through the cooler. The symmetrical flow paths, which have been implemented through extensive flow simulations, optimise the flow and therefore the overall performance of the HEATKILLER V cooler.
Design-integrated side connection module
Another innovation is the connection threads integrated into the side of the module. For additional stability, the connection module is screwed to the copper base plate of the cooler. Together with the screwless panelling and the backplate included in the package, the result is a cooler that looks like a single unit.
In order to achieve the best possible design, the cooler has been designed so that the electronic components of the circuit board are not visible.
Backplate and aRGB in the package
The mounting of the cooler has been completely revised. In contrast to the previous versions, the entire cooling unit is screwed to the backplate. This not only makes installation easier, but also distributes the contact pressure optimally, which further increases the cooling performance.  In addition to the impressive appearance, better temperatures are achieved.
The aRGB board used now utilises a modular design and a compact plug-in system. The implementation as a circuit board ensures better durability. Thanks to the high compatibility of our LEDs, the Heatkiller V cooler can be integrated into any lighting concept. However, the plug-in system also allows the cooler to be used quite simply without any lighting.
Made in Germany

Technical Data:

Base Plate Material    Electrolytic copper, nickel-plated
Cover Material    PLEXIGLAS GS / Black anodised aluminium
Connection Terminal Material    Acetal
Dimensions (L × W × H)    236 × 131 mm (incl. terminal) × 28 mm (incl. backplate)
Connection    6 × G 1/4 inch (DIN ISO 228-1)
Pressure Rating    Approved up to 1 bar
Compatible Models    Palit RTX 5090, Gainward RTX 5090
Not Compatible    GAINWARD 5090d Ta Xue