"The P7P55D 'EVO' motherboard pictured above is based off the most recent revision and was sent to Legit Reviews just hours ago. The color scheme has been updated and i/o ports have been updated as well to include External SATA (eSATA). It should also be noted that SATA6G not being present anymore due to Marvell limitations (yield and other issues of the Marvell controller are to blame according to our sources in Taiwan). As a result the SATA color scheme has been adjusted. Due to the Marvell yield issue SATA6G was removed from the EVO and also all of ASUS' P55 mass production boards. The only board that will ship with SATA6G support now is the ASUS P55 Premium motherboard. Once Marvell get all issues resolves in terms of yield and a few other areas ASUS will reintroduce this feature into their P55 boards."
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Original URL, circa 2009: http://legitreviews.com/article/1018/1/