HP 550 - Celeron M 530 / 1.73 GHz - RAM 1 GB - HDD 120 GB - DVD?RW ( R double layer) / DVD-RAM
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HP 550 - Celeron M 530 173 GHz - RAM 1 GB - HDD 120 GB - DVDRW R double layer DVD-RAM - GMA X3100 - WLAN 80211bg - Vista Home Basic - 154 Widescreen BrightView TFT 1280 x 800 WXGA