I have a MB466LL/A, can I upgrade to Snow Leopard?

I just received my refurbished MB466LL/A and it's slower than my a1226! I'm running on 10.5.8, but want the newest available software for my new computer, what's my best option? Snow Leopard? Mountain Lion? Can I even install these on this computer, and will it improve the speed? My computer is telling me I have no software updates available, which makes me nervous that this computer can't run the newer softwares, and I'm sweating the decision to make this purchase, as it (so far) seems worse than what I had before. Please HELP, I'm new to the Mac world and stressing!

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  • Your computer is telling you there are no more Software Updates available because you have OS 10.5 and the furthest you can go in OS 10.5 is OS 10.5.8. "Software Update..." updates current software on your computer. It does the "free" updates. It will not advise on major new releases of software, such as transition from OS 10.5 (Leopard) to OS 10.6 (Snow Leopard).

    Your MacBook with Core 2 Duo processor was released on October 14, 2008. It is Model ID MacBook5,1. If it has at least 1GB of memory It will have no problem running Snow Leopard.

    I don't have info for this particular model as to the latest OS it will support. However model ID MacBook4,2 will support Lion (OS 10.7), and MacBook 5,2 will support Mountain Lion (OS 10.8). My hunch is that the furthest you can go is Lion (OS 10.7). The MacBook with ID MacBook4,2 was released October 14, 2008 (same as yours), whereas MacBook with ID MacBook5,2 was released January 21, 2009.

    To improve speed, the usual remedy is to increase memory. The maximum memory that was officially supported by Apple for this MacBook is 4GB (although you can put in 8GB). Your MacBookPro A1226 (MA895, MA896, MA897 -- Model ID: MacBookPro3,1) is probably faster, even though it was released June 5, 2007, because it has a separate graphics processor (Nvidia Geforce 8600M GT), whereas your MacBook MB466LL/A has integrated graphics (Nvidia GeForce 9400M). The integrated graphics processor shares 256MB with the main memory on the computer. Integrated graphics results in a slower computer than having a separate graphics processor. Unfortunately, I don't think you can change the type of graphics processor inside MacBooks.

    You can see how much memory you have by going to "About this Mac" in the Apple menu.

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