The ThinkCentre A53 and A55 desktops were announced in September 2006 by Lenovo [REF].
The ThinkCentre A55 desktop was equipped with an Intel Pentium 4 541 Processor, 512MB PC2-4200 DDR2 Memory, an 80GB 7200rpm SATA Hard Drive, 48x CD-RW/DVD Combo Drive, Intel GMA 3000 Integrated Graphics with 128MB Shared Memory, Integrated AC'97 Audio, and six USB 2.0 Ports [REF].