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I ordered wrong RAM for Mac Pro, will it work?

S

smudja

macrumors newbie
Original poster
hello,
I ordered Kingston Memory - 4 GB ( 2 x 2 GB ) - FB-DIMM 240-pin - DDR II - 667 MHz - fully buffered from amazon, but part number is KTH-XW667/4G instead of KTA-MP667/4G...

Can I use it in 1st generation Mac Pro?
 
That's the FB-DIMM intended for the XServe
It doesn't have the large heatsinks on it and Kingston doesn't guarantee compatibility with your machine - best to send it back before opening it if you can.
 
I agree with Canada Ram. Send it back. You will have trouble sending it back latter. Why take the chance. 😕
 
Firefly2002 said:
Well it's technically compatible. So you might as well try it and monitor the temps.
Click to expand...

CanadaRAM is right, why monitor the temps looking for a problem when returning it and getting the right RAM will make sure there shouldn't be a problem and no need to monitor the temps 🙂
 
Mr.Noisy said:
CanadaRAM is right, why monitor the temps looking for a problem when returning it and getting the right RAM will make sure there shouldn't be a problem and no need to monitor the temps 🙂
Click to expand...

Well, I can sure comment on that; right after I purchased my 2007 Mac Pro, I ordered more RAM from OWC. And then, instead of operating temps of 130-140F, I was seeing temps of 250-260(!), for just the OWC RAM. Physically, they looked the same as the Apple RAM. By the time I'd installed the temp. widget, iStat Pro, the video card, an ATI 1900, was beginning to fail (pixelation, freezes) during gameplay. It was physically located right above the over-heated RAM, & didn't dig it. I ended up replacing the video card (with a newer revision 1900 card) and the OWC RAM. All problems solved. OWC got the same high temp readings as I on the returned RAM, & didn't have a clue as to the immediate cause. Their RAM replacements to me ran at over 100 degrees cooler. Conclusion: Monitor your temps!
 
Save time, aggravation, and possibly money by sending it back and getting the correct memory that you won't have to worry about.
 
Recommendations?

Just bought a 8-core 2.8 (woohooo!) Lookin' to beef up the RAM (of course). What do you kids recommend? I hate how the 800mhz RAM is almost twice as much as the 667mhz, but what's a boy to do...
 
I just put in 4x2GB OWC "Apple Qualified" RAM to make my Mac Pro into 10GB...ran hardware test, zero problems. Ran REMBER for 2 days, zero problems.

Great RAM and netlist ram is not even worth it imo.
 
I've already driven drunk down the road of saving $50-$100 on ram and ended up buying the wrong ram and there were no heat sinks. At first I didn't think the lack of heat sinks mattered, but while I was waiting for my return to be processed I actually took the time to read and realized the importance of them.

In short, return the ram.
 
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