8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz For HP-Compaq Pavilion Series. Designed For HP-Compaq Pavilion Series: dv7-4197cl, dv7-4198ca, dv7-4223ca, dv7-4248ca, dv7-4260ca, dv7-4263cl, dv7-4264ca, dv7-4267cl, dv7-4269wm, dv7-4270us, dv7-4272us, dv7-4273us, dv7-4274nr, dv7-4276nr, dv7-4277nr, dv7-4278nr, dv7-4280us, dv7-4283cl, dv7-4285dx, dv7-4287cl, dv7-4288ca, dv7-4289us, dv7-4290us, dv7-4293nr, dv7-4294nr, dv7-4295us, dv7-4296nr, dv7-4297cl, dv7-4320el, dv7-5000ea, dv7-5070ca. Will also work with many other brands and models. Genuine A-Tech Brand: A-Tech is one of the most trusted names in Premium Memory. Backed by a Lifetime Warranty and 5 star customer support, A-Tech has you covered! Memory upgrades have never been easier. Designed specifically to help your computer run faster and smoother, an A-Tech memory upgrade is one of the fastest, most affordable, and easiest ways to improve system performance. A-Tech memory empowers your computer to achieve faster application loading times, faster system responsiveness, and increased ability to multitask and handle data-intensive programs. A-Tech modules are rigorously tested to ensure that your memory meets our stringent compatibility and performance standards. Every A-Tech ram module is tested for complete functionality before it leaves our doors and includes toll free technical support at 1-866-557-4527. Give your computer the best, trust A-Tech!