The product is a set of two 4GB DDR3 SDRAM modules from the G.Skill TridentX series, with a total capacity of 8GB. Designed as DIMM modules with 240 pins, they have a bus speed of PC3-19200 (DDR3-2400). Untested and not checked, so sold as seen and unsure of full working condition as they come with other items. Suitable for anyone looking for spare or replacement memory modules. No returns, exactly as pictured.