RAM compatibility, early 2008 non unibody Macbook Pro 15" (MacbookPro 4,1)

EpicBlack

macrumors newbie
Original poster
Jun 22, 2014
5
0
Hi,

I'm upgrading the RAM on my early 2008, non-unibody Macbook Pro 15" (Macbook Pro 4,1)

According to specs this supports upto 4 gigs offically and 6 gigs max.
RAM specs are PC-5300 667 DDR2 SODIMM RAM

I am considering buying the following RAM from Crucial.

Manufacturer Crucial
Manufacturer Part # CT51272AB667S
Memory Type DDR2 SDRAM
Capacity 4GB
Pins 240 Pin
Bus Type PC-5300
Error Correction Registered ECC
Cycle Time 6ns
Cas CL5
Data Transfer Rate 667Mhz
Memory Clock 166Mhz
Rank Rank 1
Voltage 1.8

The crucial website has a tool that states that this RAM would be incompatible with my Mac. I dont understand why so I thought I'd check here.

Could anyone help me out since I plan to buy this soon.
If it isnt, would be great if you could suggest some options/

Thanks,
Epic
 
Last edited:

EpicBlack

macrumors newbie
Original poster
Jun 22, 2014
5
0
Thanks... yeah I just figured that... Thing is, Im having a tough time finding DDR2 at reasonable prices... found this for a steal.

Ah well, Thank you. And great post you shared!
 
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EpicBlack

macrumors newbie
Original poster
Jun 22, 2014
5
0
But these are rated at 800 MHz whereas my MBP takes 667 MHz.

Is it backward compatible because its 200 pin? will I be able to mix 800MHz in one slot with 667 in the other?

Thanks in advance.

And yes, I'm going for a boot HDD replacement too. Want to juice this baby for another year at least..
 
Comment

EpicBlack

macrumors newbie
Original poster
Jun 22, 2014
5
0
hey guys. can you help me out with whether 800 Mhz ram would be cackward compatible with my 667 rated macbook pro ram slot. I want to buy it today.

thanks in advance.
 
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