16GB Total memory using 2pc of 8GB DDR3, 1600MHz, Non-ECC, CL11, X8, 1.5V, Unbuffered, DIMM, 240-pin Lifetime warranty for exchange BY Computer Memory Solutions BRAMD Computer Memory Solutions We don't use Generic modules to avoid incompatibility issues. Guaranteed to work or you get all of your money back including shipping. Features MAX 32GB SOCKETS 4 Compatible with HP Pavilion p7-1517c, p7-1534, p7-1549, p7-1587c