ocaholic.ch posted a review on the Sapphire Radeon HD 4850 X2 2GByte

Meanwhile there is also a dual GPU version of the Radeon HD 4850 on the market which is called ATI Radeon HD 4850 X2. Therefore we now have a sample of Sapphires Radeon HD 4850 X2 in our editorial office.

Sapphire Radeon HD 4850 X2 2GByte Review