Neoseeker posted a review on the Sapphire HD 5770 FLEX
A quote from the article:
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The Sapphire HD 5770 FLEX brings EyeFinity to the HD 5xxx series of graphics cards, supporting up to three monitors on a single card without resorting to DisplayPort connectors unless you want to add a FOURTH one. Neoseeker puts the card through its paces to see how well it handles all those displays.
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