Both for $30 If you only need one of them, I can sell at $15. Just make the offer at $15 and message for one. Found this additional info online about this product: Crucial CT16G4RFD8266 16Gb Ddr4-2666 Rdimm, 16 Gb (1 X 16 Gb), Ddr4 Sdram, 2666 Mhz Ddr4-2666/Pc4-21300, 1.20 V, Ecc, Registered, 288-Pin, Dimm Brand: ‎Crucial Item model number ‎CT16G4RFD8266 Item Weight ‎0.704 ounces Product Dimensions ‎1.97 x 0.98 x 0.39 inches Item Dimensions LxWxH ‎1.97 x 0.98 x 0.39 inches Processor Count ‎1 Computer Memory Type ‎DDR4 SDRAM Voltage ‎1.2 Volts Manufacturer ‎Crucial ASIN ‎B01NCO0JCZ