I purchased the Crucial CT2K8G3S160BM 2x8GB to increase the memory in my Lenovo Y410P laptop from 8-GB to 16-GB. My Y410P has two memory slots, and one slot was already occupied by a factory-installed Samsung M471B1G73QH0-YK0 8-GB memory card. I probably could have just added another 8-GB card. But to avoid any possible memory glitches, I prefer not to mix-and-match memory cards of different types. The existing Samsung memory was PC3L/DDR3L, with the 'L' signif..
I installed this in my wife's MacBook Pro (mid 2012; non-retina; MacBookPro 9,2) . Very easy upgrade. No issues. Memory instantaneously recognized, no need for 'option command r p'. At the same time, I upgraded the HDD to Samsung 850 EVO 500GB (http://www.amazon.com/Samsung-2-5-Inch-Internal-MZ-75E500B-AM/dp/B00OBRE5UE/ref=cm_cr_pr_product_top). With these 2 upgrades (and a fresh OS X 10.10 install) the computer is better than the day we bought it. Very..