HYNIX 8 GB NOTEBOOK SODIMM DDR3 PC12800 (1600) UNBUF 1.35V 2RX8 204P 1024MX64 512mX8 CL11 8k HMT41GS6AFR8A-PB. Buying memory can be complicated. If you are unsure if this is the correct part for your system, please contact the seller. Providing the make, model and/or service tag of your system or motherboard, or the part number of your current RAM can be used to help verify compatible memory. Note: Listing is for 1 module. If an image shows more than 1 module, it is intended to show both the front and back of the module or to otherwise show the quality of our inventory.