The product is a set of 4 memory modules, each with a capacity of 4GB, totaling 16GB. It is DDR3 SDRAM with a bus speed of PC3-10600 (DDR3-1333). The memory features ECC Memory and is designed for desktop use. The brand is SGX Memory, and the form factor is DIMM with 240 pins. This non-ECC, non-registered memory is shipped from California, U.S.A., and comes with a lifetime warranty.

2 sticks are TimeTec branded

2 are A-Tech branded

Tested working.