The Samsung 8GB 1Rx16 PC4-3200AA-SC0-11 Memory RAM Module M471A1G44AB0-CWE is a high-quality DDR4 SDRAM memory module designed for computers and laptops. With a total capacity of 8GB divided into one module, this SO-DIMM form factor RAM offers fast data transfer speeds at PC4-25600 (DDR4-3200) bus speed. non-ECC.