http://uk.hardware.info/reviews/3539/fo ... -100-quiet
The four are
Club 3D Radeon HD 7750 royalQueen 1GB
Sapphire Radeon HD 6450 Flex 1GB
Sapphire Radeon HD 7750 Ultimate 1GB
Zotac GeForce GT 640 Zone Edition 2GB
Probably already reviews around for most of these cards, but i thought it maybe of interest to people.
Four passive graphics cards review
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