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Full-cover waterblock graphics card with metal backplate and ARGB LED logo

EVGA

EVGA GeForce RTX 3090 XC3 Ultra Hydro Copper Gaming graphics card

SKU CH-H8D2-XW5XS

Pre-installed waterblock with ARGB lighting cools 10496 CUDA cores and 24 GB GDDR6X memory for RTX 3090 performance in a 1.2-slot design

  • Memory TypeGDDR6X
  • 24 GB GDDR6X memory fuels 4K and creative workloads
  • 10,496 CUDA cores accelerate rendering and compute tasks
  • Pre-installed Hydro Copper waterblock enables custom-loop cooling
  • 2-slot all-metal backplate adds rigidity and heat spread
  • 1,725 MHz boost clock delivers high frame rates

Built for custom-loop cooling

The EVGA GeForce RTX 3090 XC3 Ultra Hydro Copper is a full-cover waterblock graphics card that must be installed inside a custom liquid-cooling loop with pump, radiator, coolant, fans and tubing. It delivers 10496 CUDA cores, a 1725 MHz boost clock and 24 GB of GDDR6X memory on a 384-bit bus for 936 GB/s bandwidth. The card occupies 1.2 slots and measures 262.8 mm long by 132.1 mm high.

Suited for builders with existing loops

This model suits enthusiasts who already maintain a custom watercooling system and want factory-installed hydro-copper cooling with ARGB lighting and an all-metal backplate. It requires a minimum 750 W power supply and two 8-pin or 6+2-pin PCIe power connectors, so systems without adequate power delivery or without a loop should consider air-cooled alternatives.

Sustained load on water

With the GPU die and memory directly coupled to the copper cold plate, heat moves into the coolant continuously rather than saturating a heatsink during short bursts. The 350 W total power draw stays manageable as long as the loop’s radiator capacity and flow rate are sized for that thermal load, letting the 1725 MHz boost hold through extended compute or rendering sessions.

Highlights

  • 24 GB GDDR6X memory fuels 4K and creative workloads
  • 10,496 CUDA cores accelerate rendering and compute tasks
  • Pre-installed Hydro Copper waterblock enables custom-loop cooling
  • 2-slot all-metal backplate adds rigidity and heat spread
  • 1,725 MHz boost clock delivers high frame rates

Specifications

Memory TypeGDDR6X

Questions about this item

What power supply and connectors are required for the 350 Watt RTX 3090?

A minimum 750 Watt power supply with two available 8-pin or 6+2-pin PCIe power dongles is required to run the card.

Does the 1.2-slot width Hydro Copper waterblock fit inside a standard ATX case alongside existing components?

The card occupies 1.2 slots and measures 262.8 mm long by 132.1 mm high, so verify your case clearance and loop routing before installation.

How can I confirm the ARGB LED logo and 1725 MHz boost clock are active after building the custom loop?

Use EVGA Precision X1 software to monitor the real-time boost clock and control the ARGB LED lighting on the metal backplate.

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