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HP Compaq Desktop PC dx2400(NV363UT#ABA) Pentium Dual Core E2220 (2.40GHz) 1GB DDR2 80GB HDD Windows Vista Business / XP Professional downgrade - Newegg.com
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HP Compaq dx2420 Microtower Computer (Windows 10, CPU Upgrade, RAM and Maintenance) - 8Bit Mammoth