Add to Cart Quick view HP 500666R-B21 16GB Memory Upgrade HP/HPE MSRP: Now: $59.69 Was: HP/HPE 500666R-B21 16GB DDR3 1066 PC3 8500 RDIMM Memory RAM Upgrade. MSRP: Now: $59.69 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $59.69 Was: Subtotal: Add to Cart