Question 1

I have a Dell Optiplex 780 that desperately needs an upgrade.  Is this compatible?

Accepted Answer

It is compatible

Question 2

will this fit my MD313LL/A a1278 late 2011 apple MacBook pro?

Accepted Answer

You ahould check out crucial's memory advisor or even contact their support. They helped me work through a compatability issue where I needed low density RAM but that stat isn't advertised.

Question 3

I have a Gateway DX 4850-45 Desktop. Is Crucial memory model CT2K51264BD160B compatible?

Accepted Answer

It should be fine, the web shows it having a 2nd gen i Series processor which should be DDR3 1333.  The memory will end up running at 1333 instead of 1600.

Question 4

What are the timings of this RAM?

Accepted Answer

Hello,

Thank you for contacting us in regards to your question.

At this time, Crucial has not provided details on the timings on this particular memory kit.

Thank you, 
Newegg Support

Question 5

Is this dual channel?

Accepted Answer

What is Dual-Channel Memory?
Dual-channel RAM is one version of multi-channel memory. All the versions of multi-channel RAM increase data transfer speed by adding more channels of communication between the memory and the memory controller.

Dual channel is basically just using multiple sticks of RAM in the multi channel system.

Questions & Answers