The product is a lot of 4 Hynix 8GB PC3L-12800E DDR3-1600 memory modules with the model number HMT41GU7AFR8A-PB. Each module has a capacity of 8GB and is designed with ECC memory, registration, and fully buffered features. The memory modules have a total capacity of 32GB and a bus speed of PC3-12800 (DDR3-1600). With a lifetime manufacturer warranty, these DIMM modules have 240 pins and a height of 30mm. Suitable for computer systems requiring reliable and high-performance memory technology, this product is a dependable choice for enhancing system performance and efficiency.