in the case of HP manufactured 3080 and in US it should not.

Back plate is easy to open and add thermal pads. I used 2/1.5 mm mm 12W

Amazon.com: Iceberg Thermal DRIFTIce Thermal Pad 80mm x 40mm x 0.5mm: Computers & Accessories

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Just a few screws and no warranty seal.

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Added opened backplate picture