#HP PROBOOK 450 G4 DRIVERS FOR WINDOWS 7 64 BIT UPGRADE#
and the next-year upgrade is a AMD-powered 6455b and 6555b, and Intel-based 6450b and 6550b. Two AMD powered models were announced in 2009 - the 14" ProBook 6445b and the 15.6" Probook 6545b Their Intel powered counterparts were announced three months later as the 14" ProBook 6440b and the 15.6" Probook 6540b. All models still have a CD drive bay, docking port, pointstick options, screen latches, draining holes, easy-replaceable battery with additional slice options, TPM chip, socketed CPU, WLAN options and 2 RAM slots.
The ProBook B-series was announced on October 13, 2009, replacing the previous HP Compaq B-series with similar design in early models. Updates to the line in 2012 included a new exterior aluminum design. The s-series was updated in 2010 with Intel Core i3, i5, and i7 processors, a brushed aluminum case, chiclet keyboard, and multi-touch ClickPad. This was followed by the introduction of the 13.3" ProBook 4310s in June of the same year. In April 2009, HP introduced the ProBook s-series ( standard/essential) notebooks, which consisted of the Intel powered 4410s, 4510s, and 4710s (14", 15.6", and 17.3" screens, respectively) and the AMD powered 4415s and 4515s (14" and 15.6" screens, respectively).
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