For sale Dell OptiPlex 9020 computer Specifications: Model: Dell OptiPlex 9020 (Tower). Processor (CPU): Intel Core [Write what you have]. Memory (RAM): [Write the number you have]. Storage (HDD): 500 GB. Technical Note (for credibility): "The device works excellently, and honestly, the internal BIOS battery (CMOS) is slightly weak, which is normal for this model. The small battery (costing a few riyals) can be replaced for automatic reset."