So what about 1333MHz vs 1600MHz — will the high frequency increase potential stability and failure rates noticeably?Remove EFI passcode on Apple T2 chip devices: MacBook, iMac, Mac Pro & Mini. 17-inch and 15-inch version were sold from April 2006 to June 2012 and January 2006 to November 2019 respectively.That's interesting about RAM history. It is the higher-end model of the MacBook family, sitting above the consumer-focused MacBook Air, and is sold with 13- and 16-inch screens. The MacBook Pro is a line of Macintosh notebook computers introduced in January 2006 by Apple Inc.Free shippingFree shippingFree shipping. MacBook Pro 15' Unibody Complete Display, Early 2011 - 661-5847 - Grade B. Free shippingFree shippingFree shipping.
I said this in my initial reply to you.2) RAM is RAM, at least in the vast majority of cases. Even for a 1333MHz, what latency do I buy? Can any of them be trouble for a Mac?You're kind of all over the place here, so I'll break things down a bit:1) 1600 MHz RAM works fine in the 2011 MacBook Pro, but it provides no tangible benefit for everyday use. But what does that mean for MBP? Will it work, or clock down?Then there's the question of latency. I conducted this experiment in my 2010 MBP by installing RAM from my late 2011 MBP and verified the result.I'd normally agree with you, but Apple support would also say that my MBP supports up to 8GB, when in fact the Intel chipset supports 16GB (in fact, up to 32GB).The Intel chipset also supports 1600MHz. C 16.17.Also, does branded/expensive RAM reduce these?New MacBook Pro 13 Case 2020 A2338 w/ M1 A2251 A2289 A2159 A1989 A1708, GMYLE Webcam Cover, Dust Plugs, Keyboard Cover & Screen Protector 5 in 1 Accessories.Or can cheap RAM, provided you're lucky and get one without faults, be just as good? (In other words, is it all about quality assurance?)Apple support says that RAM with a higher frequency when installed in a MBP designed to run at a lower rate, will down clock the the RAM to the level of the MBP design parameters.No advantage is gained in installing RAM that has a higher clock speed than what the given MBP is designed for. Book Pro Case For Late 2011 Software Run OverI'm currently running 16 GB of Crucial 1333 MHz because 1) I was lucky enough to pick it up on sale for a very cheap price and 2) it runs at a lower voltage than most other RAM (1.35v vs 1.5 v).I'm not going to make any sort of claim that having the lower voltage memory has made a difference to my battery life or anything like that. Like the actual speed of the memory, you won't see any noticeable difference in everyday use.As for exactly what you should buy, I've had the best luck with Crucial and G.Skill memory. I would consider it a non-issue at this point.4) Latency. As time goes on and production practices mature, this becomes less and less of a problem. I've tested ADATA, G.Skill, Crucial, Samsung, and others, including 13 MHz, and with one or two exceptions, all have worked just fine, passing memory test software run over the course of 12 continuous hours.3) The whole idea of faster speeds resulting in instability is probably true when a new RAM specification comes out, for example when 1600 MHz modules started appearing. ![]() I have yet to see where 32 Gb has been successfully installed in any MBP.You should find that installing 1600 Hz will clock down in a 2011 MBP. I do have 16 Gb RAM in my late 2011. Others have shown that 16 Gb RAM can work in the 2011 MBPs. Once the model is released, the specifications are then set in stone by Apple. They are two of the best, especially in those very rare instances should you get a faulty chip.The story is that when the 2011 MBPs were in development, 16 Gb RAM was not available. Personally I always recommend OWC and Crucial as third party sources. ![]() But, I mean it costs like $100 to try, on a fantastic machine worth $1000s, so it's a huge win at low cost if it works. (It was "old new stock" - I bought it unused in March 2013.) So, it's possible that OLDER 17" mbp will not run 1600 speed RAM. It reports and runs the ram utterly normally, no problem.(6) These machines cost thousands, and ram cost a few dollars - there seems very little reason you wouldn't do this.(7) I do have one of the very last 17" mbp. The difference was extremely obvious in everything from startup to XCode, etc etc)I did A NUMBER OF TESTS back-and-fore swapping the slow and fast ram.And it is very, very obvious, the speed difference.Most operations on computers are just memory bound - everything from startup to rendering and the like is quicker - obviously and clearly quicker - with faster ram.(5) I have had utterly no problems running the faster ram. Again, I tested it back-and-fore swapping in and out the slow/fast ram. The difference is VERY SUBSTANTIAL - like 20%.
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