DDR3 vs DDR3L for Mid-2012 MacBook Pro 15 Inch

From the crucial site, specs for the RAM you linked to:

"Standard DDR3 modules help Mac systems reach speeds up to 1600 MT/s. For newer Mac systems, DDR3L modules are available. These modules deliver speeds starting at 1866 MT/s and use 10% less power for improved energy efficiency. "

Either one will work in your MBP.

Ciao.

It is the small differences in implementation that make RAM not work reliably with Macs. Crucial backs the RAM it sells as "compatible" with warranties and customer service ... so does macsales.com (OWC). Many recommend against Corsair and other brands (at least the cheapest products in their lines) because the actual implementation of voltages and speeds result in sporadic "invisible" behaviors that make Macs not like it.

jrmartin2261 wrote:

When you select both of them and compare, their specs are the same. But back to my question, will it work with my MacBook?

I was responding to this part of your post "What's the difference between the two...?" The spec is not the same for both and the site at the links you provided said both will work. So the only part of your post in question was "What's the difference between the two...". Regardless, I'm glad you got your question resolved.