Which IC's are better for 2400~2500mhz?

[Morphling]

I have this doubt, which I need to decide between what to find and get.

For Xtreme OC what IC's should I choose for 2400~2500mhz to obtain decent timmings: PSC's or Elpida BBSE?

I'm not friendly on voltages, since I use 2.2v all day long on my hypers air cooled, so here is also a point to check which is, between those IC's, whose the best scaling with voltage?

Thank for the atention!!
Cheers!

[Hondacity]

hynix so far clocks the best

once ivybridge comes out it will be very high frequency ram, with cl8-10

[Morphling]

Hynix, realy :S

I thought they were realy weak IC's. Like 11-12-xx

I have refered PSC's because of Corsair dominator GTX3 and 4, which were like 2400-2500 rated at cl9 and so...

Oh, one more thing, I'm looking for 2GB dimms, and not high density dimms

Thanks for the help Hondacity

[BeepBeep2]

I have this doubt, which I need to decide between what to find and get.

For Xtreme OC what IC's should I choose for 2400~2500mhz to obtain decent timmings: PSC's or Elpida BBSE?

I'm not friendly on voltages, since I use 2.2v all day long on my hypers air cooled, so here is also a point to check which is, between those IC's, whose the best scaling with voltage?

Thank for the atention!!
Cheers!

PSC - usually stops scaling in between 1.7 and 1.8v, with scaling dropping off significantly before 1.8v...but a golden kit of PSC will give you 2200+ 6-10-6 under 1.8v too. Good kits will net ~2300+ 7-10-7 and 2400+ 7-11-7.
BBSE - has flatter timings, you'd probably be thinking 7-9-7 or 8-9-8 above 2200. You might need CL9 by the time you get to 2400+.
Hypers, well...depending on IMC those can fly too at 2300 7-7-7 with voltage.

As far as 4GB density dimms that you said you aren't looking for, Hynix is good but it looks like the new Crucial Ballistix (micron?) stuff is better...doing 9-9-9 benchable at 2200+. Hynix needs CL11 or higher at these speeds...

[Elmy]

The Crucial Ballistix stuff are Micron IC's .... I asked a rep from Crucial at PDXLAN last weekend... I got 4 sticks of the tactical tracer 1600 4 GB 1.5v that can do 1866 Cas 9 and I got them to boot 2133 cas 10 .... The 1866 4GB stuff is what everyone is after and the Crucial rep said they are having a hard time keeping stock in because they are selling so good....

[Morphling]

Micron are realy bad IC's I've tried some with a Corsair dominator GT kit of 1866 cl9 and they just sucks!! The right choice to high speed are either PSC's or BBSE's IC's. Hynix is for high density kits I think, but between the of them I still don't know what to choose...

I had a Perfect storm kit some time agor which they were able to achieve 2500 at 9-9-9-24 with 1.8v, and I've even tried other kits of bbse's which can do lower cas. But PSC's are straight to.

Don't know hehe!

[BeepBeep2]

Micron are realy bad IC's I've tried some with a Corsair dominator GT kit of 1866 cl9 and they just sucks!! The right choice to high speed are either PSC's or BBSE's IC's. Hynix is for high density kits I think, but between the of them I still don't know what to choose...

I had a Perfect storm kit some time agor which they were able to achieve 2500 at 9-9-9-24 with 1.8v, and I've even tried other kits of bbse's which can do lower cas. But PSC's are straight to.

Don't know hehe!

I was saying if you had to go with high density you should go with the Crucial Ballistix Elite which look to be Micron based, rated 1866 9-9-9...they do 2200 9-9-9 ~1.65v, not sure how much more you could get them to scale after that. The old micron (1GB density single sided ballistix) does well if you can feed it 2.3v or more. They will fly up to 2400 9-9-8 easy...

BBSE can't really do lower CAS. The best you can get from BBSE around 2000 is 7-8-7 vs Hyper being able to do 7-7-7 to oblivion with enough voltage.

Unless you have Hyper like Corsair GTX2 or Corsair 2000C7, SuperTalent 2000C7 etc. to hit 2400-2500 8-8-8 I think PSC at 7-11-7 will be the best.

[ScottALot]

The Crucial Ballistix stuff are Micron IC's .... I asked a rep from Crucial at PDXLAN last weekend... I got 4 sticks of the tactical tracer 1600 4 GB 1.5v that can do 1866 Cas 9 and I got them to boot 2133 cas 10 .... The 1866 4GB stuff is what everyone is after and the Crucial rep said they are having a hard time keeping stock in because they are selling so good....

Well... you asked a Crucial rep about memory, he's going to recommend you something that Crucial carries.

[zsamz_]

hynix are best now
i am able to clock 4 stix to 2280mhz 1.65v on mive

[Morphling]

Well that's what I've thought PSC will do the thing. I have a lot of Hypers IC's MGH-E and MNH-E and both are great at 2000 to 2300. One of the kits I own is able to do 5-6-5-18 air cooled with 2.0v at 2030mhz, and 7-7-7-19 at 2300mhz on SB, but when it comes to high speeds, like 2400~2500, you can only go to 2400 at 8-8-8-20 and then they can't go further, not even with 2.2v.

So for 2500mhz 7-11-7-24 it is good idea to gather PSC's.

I've talked about BBSE's because I also tested a kit which was able to go to 2300mhz at 7-9-6-19 at 1.8v, but then it stops. I thought it was because I was testing on SB, but I see that it was not only because of that.

Thank you all for the help!

[ZenEffect]

PSC - usually stops scaling in between 1.7 and 1.8v, with scaling dropping off significantly before 1.8v...but a golden kit of PSC will give you 2200+ 6-10-6 under 1.8v too. Good kits will net ~2300+ 7-10-7 and 2400+ 7-11-7.
BBSE - has flatter timings, you'd probably be thinking 7-9-7 or 8-9-8 above 2200. You might need CL9 by the time you get to 2400+.
Hypers, well...depending on IMC those can fly too at 2300 7-7-7 with voltage.

As far as 4GB density dimms that you said you aren't looking for, Hynix is good but it looks like the new Crucial Ballistix (micron?) stuff is better...doing 9-9-9 benchable at 2200+. Hynix needs CL11 or higher at these speeds...

about half the kits of PSC will do 6-10-6 2300+ good bbse will do 6-9-6 2300+ you just cant fear the reaper

[Hondacity]

yep bbse clocks as to what ZenEffect says. gtx3 and ripx, psc and bbse respectively can clock low cl(latency) with high bandwidth(hurtz)

[Morphling]

Well, now it happens that I've already bought 4 dimms of G.Skill 2000 6-9-6, which are quite good, from what I've tried some time ago on 1366. I've been able to achieve 2700mhz with a 3*2Gb to suicide shot with a gulftown So there will be no speed limitation

I would realy like to put my hand on some GTX3 or GTX4 dimms but they are almost impossible to find

[Hondacity]

don't get the gtx4, take my word on it

[Bei Fei]

I have a couple sets of 2400 C9 Patriots which have high bin PSC chips. If you live near Frys they have them at their B&M stores for around 100 bucks. As far as I can tell they have the same specs as GTX4 dimms.

Here is a link to the sticks

http://www.frys.com/product/6279200

[Morphling]

don't get the gtx4, take my word on it

Why do you say that pall I thought that GTX4 were also PSC's but better binned

I have a couple sets of 2400 C9 Patriots which have high bin PSC chips. If you live near Frys they have them at their B&M stores for around 100 bucks. As far as I can tell they have the same specs as GTX4 dimms.

Here is a link to the sticks

http://www.frys.com/product/6279200

I'm from Portugal But thanks for sharing pall

[ZenEffect]

I have a couple sets of 2400 C9 Patriots which have high bin PSC chips. If you live near Frys they have them at their B&M stores for around 100 bucks. As far as I can tell they have the same specs as GTX4 dimms.

Here is a link to the sticks

http://www.frys.com/product/6279200

ive used those sticks and to be honest, they werent all that great. took sticks out of package, heatsink falls off. clocked to 2600 before stopping... kingstons fared much much better. the 2333 3x1gb kit clocks like a champ. the 2400 2x2gb modules would reach 2800 easily as well. elpida bdbg = psc

ive been saving some choice kits for the higher clock frequencies of ivybridge

[Hondacity]

I tried gtx4 they can't do cl6

[l0ud_sil3nc3]

PSC seems to be real strong for the speeds listed (2400-2500 7-11-7-27), I know my RipjawZ's are much stronger than my BBSE 2133 8-9-8 kits on sb-e. The BBSE seemed to want to stop a bit below 2400 at 8-10-7 with 1.85v but these kits are newer and thus crappier clocking than my older kits from January 2011.

you will be happy with good PSC

[konlaos]

ic's PSC XDU 3G-A it can Run 2500MHz+ in Llano

[BeepBeep2]

This is all I could pull back in December with an uncore and CPU on edge in about -5c ambient with a fan on the ram.

vdimm = 1.81v here (hard to remember, might have been up to 1.85v) on G.Skill PIS 2133 CL7.

I'd like to note that it doesn't take all that much memory stability to run Cinebench. I was stuck at 2060 6-9-6 / 2100 6-10-6 (32M stable) @ 1.8v @ 23c ambient which might have benched close to 2200 6-10-6 3D.


ZenEffect traded me this kit for a pair of STT 2200 C8 Hypers, he got 2133 8-8-8 with those Hypers on SB I believe. They fly a lot better on other platforms, of course.

[Morphling]

Well, PSC will be 4 dimms of G.Skill PIS 2000 6-9-6 bought

But still, if anyone have some GTX3 or even GTX4 and want to trade them, just talk to me

Thanks everyone for the help

Cheers!