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Phanteks Glacier G40 full-cover GPU water block with nickel-plated copper base, clear acrylic top

Phanteks

Phanteks Glacier G40 RTX 4090 GPU Block PH-GB4090AS_BK01_BP DIY Cooling

SKU CH-XWPQ-CFZSW MPN PH-GB4090AS_BK01_BP

Full-cover copper cold plate with 0.6 mm fin array and digital RGB lighting, custom-milled for ASUS ROG STRIX and TUF Gaming RTX 4090 cards

  • TypeVGA Block & Cooler
  • Block Dim.Water Block Dimensions (LxWxH) 11.02 x 5.17 x 1 in (280 x 13
  • Block MaterialAluminum
  • Custom-designed for ASUS ROG STRIX and TUF RTX 4090 cards
  • 10 mm pure copper cold plate cools GPU, memory and power delivery
  • 6 mm micro-fin array with jet plate maximises heat transfer
  • Viton rubber washers maintain seal force to prevent leaks
  • Low-profile fittings and included support bracket improve case clearance and prevent sag

Custom ASUS RTX 4090 Water Block

The Phanteks Glacier G40 is a full-cover nickel-plated copper block engineered specifically for ASUS ROG STRIX and TUF Gaming RTX 4090 graphics cards. It replaces the factory air cooler to enable high-performance liquid cooling in a custom loop. Integrated digital-RGB lighting uses standard JST connectors for synchronisation with Phanteks D-RGB ecosystems and compatible motherboards. A low-profile fitting layout and included GPU support bracket improve chassis clearance and prevent card sag.

10mm Copper Core With 0.6mm Fin Array

A 10 mm pure copper cold plate sits directly over the GPU die, memory modules and power delivery components. A fine 0.6 mm micro-fin array paired with a clear jet plate targets coolant flow at the hottest surfaces for sustained thermal transfer during extended compute or gaming sessions. Viton rubber washers maintain consistent seal force to prevent leaks under continuous pressure cycling. The cast acrylic top and black aluminium cover plates complete the structural assembly.

G1/4 Thread Clearance And D-RGB Ecosystem

Standard G1/4 threaded ports are positioned low on the block to maximise tubing clearance in compact builds, limiting routing options to straight or low-angle fittings. Digital-RGB control requires a 5 V addressable header or Phanteks controller; the block cannot be driven by legacy 12 V RGB headers. The aluminium cover plates add rigidity but do not serve as primary cooling surfaces, so thermal capacity remains bound to the copper core and loop flow rate.

商品特色

  • Custom-designed for ASUS ROG STRIX and TUF RTX 4090 cards
  • 10 mm pure copper cold plate cools GPU, memory and power delivery
  • 6 mm micro-fin array with jet plate maximises heat transfer
  • Viton rubber washers maintain seal force to prevent leaks
  • Low-profile fittings and included support bracket improve case clearance and prevent sag

商品規格

BrandPhanteks
ModelGlacier G40 ASUS GPU Block
Part NumberPH-GB4090AS_BK01_BP
TypeVGA Block & Cooler
Block Dim.Water Block Dimensions (LxWxH) 11.02 x 5.17 x 1 in (280 x 131.244 x 26 mm)
Block MaterialAluminum
出貨重量1.93 kg
包裝尺寸353 × 190 × 70 mm

商品問答

How much heat does the 10mm copper cold plate and .6mm fin array move when the RTX 4090 runs all day?

The 10mm pure copper base with a .6mm fin array and clear jetplate sits directly over the GPU die, memory and power components to transfer heat into your loop continuously.

Which fittings and coolant parts must I already own to install this block?

You need two G1/4 fittings, tubing, a pump, reservoir, radiator and coolant — the block includes low-profile ports and a Viton washer but supplies no other loop components.

Will the 280mm long block clear the back-plate and Digital-RGB header on my older Phanteks D-RGB gear?

The 280 x 131.244 x 26 mm block includes a GPU support bracket and standard JST D-RGB connectors that sync with existing Phanteks D-RGB products and compatible motherboards.

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