HYNIX 4GB DESKTOP DIMM DDR3 PC10600(1333) UNBUF 1.5v 2RX8 240P 512MX64 256mX8 CL9 8k HMT351U6BFR8C-H9 Buying memory can be tricky. If you are not sure if this is the correct part for your system, contact the seller. Provide the the make, model and/or service tag of your system or mother board, or the part number from your current RAM can be used to help verify compatible memory. Please 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 otherwise show the over all quality of our inventory.