laptop and desktop memory

DELL OPTIPLEX COREi5 DESKTOP – 4GB RAM, 500GB STORAGE

• 3.6GHz Intel Core i5 4100
  
• 4GB DDR4 SDRAM
  
• 500GB Hard Drive
  
• DVD±RW
  
• Intel UHD Graphics 630
  
• Gigabit Ethernet
  
• Windows 10 Pro 64-bit Edition