Ends today. Dell Financial Services is taking $500 off their refurbished Dell Precision T5810 Desktops with coupon code MAYDEAL4 [Exp 5/31]. Excludes clearance. Shipping is free. Other codes:

• $250 off Dell Latitude E7450 Laptops w/ code MAYDEAL1
  
• $200 off Dell Precision M6800 Laptops w/ code MAYDEAL3
  
• $150 off Dell OptiPlex 9020 Desktops w/ code MAYDEAL2