The Guru of 3D checked out the PowerColor HellHound Radeon RX 7800 XT Spectral White
A quote from the article:
PowerColor has hopped aboard the 7800 XT express train with HellHound Radeon RX 7800 XT Spectral White edition. Dressed in all white (including the PCB) and some factory adjustments paired with a silent design, you can enjoy a performance boost that's around 3-4% faster compared to the reference products.PowerColor HellHound Radeon RX 7800 XT Spectral White Review