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Mixing different RAM on the same mobo
sharkuul
Brisbane, Queensland
493 posts
Hey guys

Just wanted to know if any peeps on here have had any experience with mixing different ram on the same mobo.

Im running a 1155 socket 2600k CPU on an ASUS sabretooth mobo. I originally bought g.skill ripjaws X 1600mhz 2x4gig. I was looking on the internets and found a pack of g.skill ripjaws 1600mhz 2x4gig for $40 brand new. Thinking it was a bargain I bought it. It's come in the mail and is different to my original RAM.

My question is wtf is the difference between ripjaws and ripjaws X?

I've checked toms hardware and they reckon the ripjaw X are optimised for 1155 sandy bridge. The basic ripjaws are not optimised but are compatible with 1155.

Some say there is zero difference. Some say there can be issues with timing on 1155 mobos.

Should I return them and get the ripjaw X's or not even bother?

Thanks
07:18pm 19/07/12 Permalink
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07:18pm 19/07/12 Permalink
XaltD
Queensland
1052 posts
put it in and see what happens
07:26pm 19/07/12 Permalink
dais
Brisbane, Queensland
9616 posts
What on Earth do you need 16GB of RAM for? Maybe in five years.
07:37pm 19/07/12 Permalink
Rdizz
Germany
2053 posts
there shouldnt be any differences excep maybe the timings. if so just go into bios and chane them so they are the same.
07:40pm 19/07/12 Permalink
Whoop
Brisbane, Queensland
20267 posts
What on Earth do you need 16GB of RAM for? Maybe in five years.

I have 16 gig of ram and I use every damn bit of it running multiple instances of stuff, while playing a game, while encoding videos of my cat. Comes in handy.
07:40pm 19/07/12 Permalink
parabol
Brisbane, Queensland
7146 posts
Just wanted to know if any peeps on here have had any experience with mixing different ram on the same mobo.

In general you can't predict the outcome. Anyone (who is not the manufacturer) telling you otherwise doesn't know what they're talking about.

The 3 most common outcomes are:

1. Lucky: the mixture will result in no problems whatsoever and 100% stability.
2. Less lucky: you'll pick up errors during Memtest and know the mixture won't work.
3. Unlucky: Memtest will say it's OK but you'll run into completely random blue screens. I've had this problem many times!

Best thing to do in my opinion, short of not mixing, is to ensure you bump up the DDR voltage in the BIOS settings if you're using 4 sticks (due to extra power draw on that rail). I think I have mine set to 1.6-1.65V, when they're rated at 1.5V. Adds extra stability without causing any dramas.

Won't guarantee anything. If you're worried about stability, then as I hinted just get a 2x8GB kit and be done with it. Cost me $109 for a ripjaws kit and checking just now they're still at that price.
What on Earth do you need 16GB of RAM for? Maybe in five years.

I'm moving up to 32GB on my next rig. Sick of the machine locking up and not accepting user input when it's used up its 16GB.

last edited by parabol at 19:58:11 19/Jul/12
07:56pm 19/07/12 Permalink
HerbalLizard
Brisbane, Queensland
5560 posts
Current rig I am on at the moment is running on is running with 48gb

Main reason VM's
08:06pm 19/07/12 Permalink
sharkuul
Brisbane, Queensland
494 posts
Thanks for the replys guys!

tried memtest and it says its ok...

checked the BIOS and found the following differences

Ripjaw X
tRC 40
tRFC 130
tFAW 50
tCWL 9

Ripjaw
tRC 33
tRFC 128
tFAW 24
tCWL 7

I'll prolly return them and go the 2x8gig

Thanks guys!
08:45pm 19/07/12 Permalink
tspec
Melbourne, Victoria
3609 posts
Current rig I am on at the moment is running on is running with 48gb Main reason VM's

Heh, I just did a RAM upgrade tonight for the same reason, now got 132Gb to play with but that's across two boxes and set up for vmotion. Also, work rigs, not mine.
09:20pm 19/07/12 Permalink
E.T.
Queensland
4341 posts
Sharkuul, what OS you running?

I make a rule of NEVER mixing ram. Cant be fucked getting stressed over all the blue screens.
09:55pm 19/07/12 Permalink
Raven
Melbourne, Victoria
7195 posts
If they say "optimized for 1155" then just check that they don't mean it's 1.5V not 1.65V.

If it is, you're likely to have problems mixing it - 1.65V *may* be too much for 1.5V RAM, and 1.5V won't be enough for the 1.65V stuff.
10:08pm 19/07/12 Permalink
mental
Brisbane, Queensland
3352 posts
Yeah I try not to mix, I was feeling the pinch of 4gb but couldn't find a matching set so new mainboard/cpu/ram, fuck it I'll get a new vid card while I'm there, oh need a new psu, ahh my mouse is a little shit now, better get a new case and a hdd while I'm there.
10:11pm 19/07/12 Permalink
dais
Brisbane, Queensland
9618 posts
I guess you may as well get 16GB considering how cheap it is at the moment.
10:14pm 19/07/12 Permalink
ravn0s
Brisbane, Queensland
15545 posts
jesus christ at some of the ram you guys have. i only have 6gb :/

i really should get more.
10:18pm 19/07/12 Permalink
Raven
Melbourne, Victoria
7196 posts
Yeah, in recent times I've gone from 6GB (3x2GB) to 12GB (6x2GB) to 12GB (3x4GB), and when I recently upgraded to an i7-3770 went to 16GB (4x4GB).

My work system now also has 4x4GB.
10:31pm 19/07/12 Permalink
parabol
Brisbane, Queensland
7147 posts
12GB (6x2GB)

I've got to say, I've never been more nervous with a ram kit as when I put six sticks like that in, despite all being matched. How in the hell are they all meant to get along? But they did ...
10:53pm 19/07/12 Permalink
kr0wb4r
Brisbane, Queensland
1200 posts
If you're thinking 16GB is more than enough you're doing it wrong (or don't have enough porn tabs open -which is also doing it wrong).
11:05pm 19/07/12 Permalink
HerbalLizard
Brisbane, Queensland
5561 posts
Heh, I just did a RAM upgrade tonight for the same reason, now got 132Gb to play with but that's across two boxes and set up for vmotion. Also, work rigs, not mine.
Nah is mine not works xen server instead of vmware

last edited by HerbalLizard at 06:48:34 20/Jul/12
06:46am 20/07/12 Permalink
HerbalLizard
Brisbane, Queensland
5562 posts
To the OP - yes you can mix modules ensure that the spd timings are the same and its the same speed and it will normally be fine
06:51am 20/07/12 Permalink
Spook
Brisbane, Queensland
34010 posts
i have 4g of ram in my machine, because i use my machine efficiently, unlike a lot of you guys from teh sounds of it.
06:54am 20/07/12 Permalink
sharkuul
Brisbane, Queensland
495 posts
Instead of making a new thread I thought I'd hijack my own thread...

CPU coolers for an 17 2600k 1155socket.

anyone gone the OC on their CPU recently and which cooler was best bang for buck?

space in my case is not an issue.

toms hardware and a few random forums seem to argue between hyper 212 and arctic 13pro.

looking at spending $50ish and dont wanna go water.

thoughts?

links from umart:
https://www.umart.com.au/newindex2.phtml?bid=5 Artci 13 pro
https://www.umart.com.au/newindex2.phtml?bid=5 hyper 212

07:25pm 20/07/12 Permalink
parabol
Brisbane, Queensland
7150 posts
Hyper 212 EVO here on a 2500K. So cheap.

Got 4.5GHz stable (that's 4.5GHz at ALL times even with ALL cores at full load, not the cheating "4.5GHz at single core load, clocked-back to 4.2GHz on 4 cores and idle at 1.6GHz" that people go for). Even when sitting on full load at 4.5GHz for hours on end, the heatsink is mostly cool to the touch even with the fan on a low setting.

If you need any help with OC settings for stability let me know.

last edited by parabol at 19:35:24 20/Jul/12
07:31pm 20/07/12 Permalink
koopz
Brisbane, Queensland
9687 posts
:(


11:17pm 20/07/12 Permalink
sharkuul
Brisbane, Queensland
496 posts
Just thought I'd post an update ...

I ended up getting my mates old corsair H80 water cooler for my CPU. hes got a new case and is upgrading to a H100.

My system specs:
i7 2600k
Asus P67 Sabertooth mobo
Asus Direct CUII GeForce GTX 570
2x8gb G.Skill 1600mhz SDRAM
Corsair Pro 750w PSU
Antec Darkfleet 30 case
WD 1tb hd

Ive used very basic OC tools in the BIOS and have managed to get a stable 4.3Ghz on my i7 2600k. after 6 hours of prime 95 i get cpu temps of 59-60degrees.

after 4 hours of Battlefield 3 on max settings the cpu temps are 38-40 degrees.

BCLK 102.1
CPU voltage 1.220
DDR voltage 1.5
CPU multiplier x43

everything else is on auto.

tried 4.5ghz but it starts creepig up to 65degrees. thought 4.3ghz is enough.

03:25pm 26/07/12 Permalink
sharkuul
Brisbane, Queensland
497 posts
Oh yeh and the H80 is only on medium setting.

on high it can do 4.5ghz at 55degrees but sounds like a wind tunnel
03:52pm 26/07/12 Permalink
greazy
Brisbane, Queensland
5503 posts
I have 16 gig of ram and I use every damn bit of it running multiple instances of stuff, while playing a game, while encoding videos of my cat. Comes in handy.

Link to youtube channel please.
03:58pm 26/07/12 Permalink
sharkuul
Brisbane, Queensland
498 posts
I'm getting an odd issue also.

whenever i start my pc when its been off for a few hours, the power and fans come on for 10secs, then the pc will restart and then load normally.

any1 else have this issue r know what it is?

thanks
04:31pm 26/07/12 Permalink
mental
Brisbane, Queensland
3372 posts
does it have an onboard video card not in use?
04:33pm 26/07/12 Permalink
sharkuul
Brisbane, Queensland
499 posts
Nah but my 3d card is massive and it might not be in properly.

I'll take it out and try a fit it better.

Ty mental didn't think 3D card.
05:28pm 26/07/12 Permalink
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05:28pm 26/07/12 Permalink
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