MKVTech posted a review on the Sapphire Radeon HD 2600 XT GDDR4 Edition video card

Well we are glad to finally been able to partner with Sapphire, which earned as a company already a great name within the ATI community. So we will take you on a journey to show a bit more on what Sapphire is all about and which products they are currently offering on the market. The wait is finally over. Not so long ago AMD released the Radeon HD 2900 series and along with that introduction came as well the low-end and mid-range products to go up against NVIDIA. Now that we are a couple of months further the Radeon HD 2600 series are available. Sapphire brings is the GDDR4 edition of the Radeon HD 2600 XT graphics accelerator.

Sapphire Radeon HD 2600 XT GDDR4 Edition Review