HP ProBook 6550B Intel Core i3 @2.40Ghz 2Gb RAM 232Gb HDD
Windows 10 requires activation.
Battery doesn't hold charge.
Left mouse button works fine, but it is missing the rubber cover.
It has 2x RAM memory slots available. Only one slot being used at the moment with a 2Gb RAM stick. Another 4Gb RAM stick is included in the sale, but it doesn't seem to be very compatible with the 2Gb RAM stick currently installed.