[Retric]

Consumer prices for cheap ram is 2.5$/ Gig, I assume they pay less than that. https://www.walmart.com/ip/16GB-Kit-2x-8GB-Modules-PC3-10600...

Though 4GB of Laptop ram seems to be ~29$ so YMMV. https://www.walmart.com/ip/Crucial-4-GB-DDR3-SDRAM-Memory-Mo...