Cheap DDR3 Capable of 2000MHz+

[Regeneration]

The following eBay merchant sells cheap Samsung DDR3 1600MHz 4GB memory modules:

https://www.ebay.com/itm/Lot-RAM-1G...AM-DIMM-Intel-240Pin-for-Samsung/132426515500

Despite no heatsink and incomplete SPD, those are genuine Samsung modules, capable of 2000MHz+ CR1 with manual timing. Tested on M378B5273DH0-CH9.



Use the following timings as reference:

@ 1200 MHz 9-11-11-31 (CL-RCD-RP-RAS) / 42-193-3-7-16-10-10-28-7 (RC-RFC-CR-RRD-WR-WTR-RTP-FAW-WCL) *1.65v*
@ 1000 MHz 9-11-11-31 (CL-RCD-RP-RAS) / 42-193-2-6-16-9-9-28-7 (RC-RFC-CR-RRD-WR-WTR-RTP-FAW-WCL) *1.55v*
@ 800 MHz 11-11-11-28 (CL-RCD-RP-RAS) / 39-128-5-12-6-6-24 (RC-RFC-RRD-WR-WTR-RTP-FAW)
@ 761 MHz 10-10-10-27 (CL-RCD-RP-RAS) / 37-122-5-12-6-6-23 (RC-RFC-RRD-WR-WTR-RTP-FAW)
@ 685 MHz 9-9-9-24 (CL-RCD-RP-RAS) / 33-110-5-11-6-6-21 (RC-RFC-RRD-WR-WTR-RTP-FAW)
@ 609 MHz 8-8-8-22 (CL-RCD-RP-RAS) / 30-98-4-10-5-5-19 (RC-RFC-RRD-WR-WTR-RTP-FAW)
@ 533 MHz 7-7-7-19 (CL-RCD-RP-RAS) / 26-86-4-8-4-4-16 (RC-RFC-RRD-WR-WTR-RTP-FAW)
@ 457 MHz 6-6-6-16 (CL-RCD-RP-RAS) / 22-74-3-7-4-4-14 (RC-RFC-RRD-WR-WTR-RTP-FAW)

Some voltage boost may be required. Test stability with MemTest64.

 

[MrGenius]

Wow. I'm impressed. And I'm not being sarcastic. My spendy Team Xtreem 2666 modules won't do CL9 @ 2400 no matter how many volts I run them with. I can only get 10-12-12-32 CR1 fully stable with ~1.58V. They'll do 10-12-11-31, but not fully stable(again, regardless of raising voltage). And I paid about 2x as much per GB as those. Actually slightly more than 2x as much. Damn. I think I might have to grab some of those. And if they do as good as yours....sell the spendy sticks. Since I'm only running them @ 2400. They'll clock higher. But it doesn't do me no good if I never run them at higher clocks anyway.

 

[Regeneration]

Some expensive DDR3 modules have a lousy tRFC (300) resulting in a copy bandwidth of 28GB/s. The cheap Samsung memory gives 32GB/s even @ 2000.

 

[Reefa_Madness]

The following eBay merchant sells cheap Samsung DDR3 1600MHz 4GB memory modules:

I'm just a little confused by part of the above quote...I believe that those M378B5273DH0-CH9 should be spec'ed at DDR3-1333, not DDR3-1600. The "DH0-CH9" model # indicates that they have HCH9 chips on them. It is a DDR3-1333 part. See link below.

https://starmicroinc.net/samsung-4g...-rank-desktop-memory-module-m378b5273dh0-ch9/

I am not surprised that you were able to achieve those results. With add'l voltage they might even have a little more in them. There was a thread over at Xtreme Systems back in 2012 where member Dumo binned a bunch and found some that could hit 2600 CL10 at 1.7v and even 2800 CL11 at 1.75. They actually hold up quite well to the add'l voltage.

http://www.xtremesystems.org/forums...msung-generic-HCH9-dbl-sided-2X4GB&highlight=

These HCH9 are the chips that were used by all of major ram players for years. They were binned and used in the DDR3-2133 & 2400 CL9 (@ 1.5v) and the DDR3-2600 & 2666 CL10 (@ 1.65v). Later, the infamous Samsung Low Profile / Low Voltage "Wonder Ram" came out with the then newer 30nm HYK0 chips. Those were rated at DDR3-1600 by Samsung. The HYK0 started being used for the high-end parts, along with the HCH9, as they both were capable of meeting the clock / timing / voltage requirements.

Sometime in later (2012 / 2013 ?) another variant became available, the HC15. These were not quite as good as the earlier ones, but since production ceased on the HCH9 & HYK0, there wasn't any choice for ram manufacturers. And as the existing supply of the HCH9 / HYK0 ran out, so did the availability of those high-clocking CL9 & CL 10.

 

[eidairaman1]

16 GB Gskill Ripjaws X 2133 (2400 OC, 10-10-12-20-20, 1T, 1.65V)

Pretty much Trident with tighter timings than they have. This is DOCP oc with manual timings, no FSB bump.

 

[MrGenius]

http://www.xtremesystems.org/forums...msung-generic-HCH9-dbl-sided-2X4GB&highlight=

Thanks for posting that. It prompted me to double down. What do I mean by that? Well...I'd already pulled the trigger on 16GB of the M378B5273DH0-CH9(should arrive today as a matter of fact). But...in case those don't do as well as I'd like...I just ordered another 16GB of the M378B5273DH0-CK0. Since it looks like the HCK0 is just about as good as, every bit as good as, or maybe even better than, the HCH9. So I just increased my odds of getting something better than what I have by ~2x. And all said and done, it still cost me a little less for 32GB of the Samsung than 16GB of the Team Xtreem(which I actually have 32GB of too). Anyway...price isn't really much of an issue with me lately. I'll play around with the Samsung's and see which ones perform better. And either sell the rest of my DDR3 collection...or hoard it. Whatevs...

...the infamous Samsung Low Profile / Low Voltage "Wonder Ram"...

That's an oxymoron. Since you used infamous instead of famous. Which is a common mistake. But I'm a bit of a grammar Nazi. So I have to point it out. Sorry.

in·fa·mous
/ˈinfəməs/

adjective

well known for some bad quality or deed. wicked; abominable.

 

[Reefa_Madness]

In addition to "wicked", "notorious" is another of the definitions, and at times both are used in the same way as the word "bad" is used to mean good...such as in "that is some bad-ass weed". By your own admission, the word infamous is commonly used instead of famous. It may not be in the dictionary that way, but it is in the vocabulary of folks.

I am quite sure that when you read my post you knew exactly what I meant, and after all, isn't that the real purpose of communication?

As for the HCK0, I've had some, and I've seen other posted results (I believe there might even be some in that XS thread I linked above), and in my experience it does not match HCH9, nor HYK0, but granted, those have been small samples so it will be interested to see how yours fare.

 

[eidairaman1]

Infamous as always meant famous for a bad/negative reason...

 

[Reefa_Madness]

And bad has always meant bad...until it began to mean good.

Come on guys, this is a computer enthusiast forum, leave your red pencils at the office for when you are reviewing drafts, proofreading proposals, or grading term papers, whatever the case may be. Don't turn this into something it doesn't need to be.

 

[eidairaman1]

And bad has always meant bad...until it began to mean good.

Come on guys, this is a computer enthusiast forum, leave your red pencils at the office for when you are reviewing drafts, proofreading proposals, or grading term papers, whatever the case may be. Don't turn this into something it doesn't need to be.

Same goes for you lol

 

[Reefa_Madness]

Same goes for you lol

Seriously? I'm focusing on your choice of words within a post, instead of the substance of the post? OK, if you say so.

 

[Sasqui]

Holy wow, even for 1600 speed, that's a great price at $17.89 / 4gb

It ships from China, that's the only catch I see.

 

[Regeneration]

Both M378B5273DH0-CH9 and M378B5273DH0-CK0 are equipped with awesome K4B2G0846D-HCxx memory chips capable of high clocks and low timings. Manufactured on week 50, 2018. Most expensive 2000+ kits from other vendors use those chips. $17 for 4GB stick is a bargain.

 

[natr0n]

I hope not every ass hole and there cousins buy all these up.

 

[MrGenius]

Manufactured on week 50, 2018.

You sure about that chief? The four M378B5273DH0-CH9 sticks I just installed are all from 2012 week 17(date code 1217). Someow I doubt they were still making them through 2018. I'd pretty much need to see a pic for proof of that...to believe it.

These M378B5273DH0-CK0 I ordered today are 2013 week 24(x1) and week 38(x3).

Anyhow...I've been messing around with these M378B5273DH0-CH9s for about an hour now. Aaaaaaaaaaannnnd…NO LUCK AT ALL!!! So far I can't even get them to run 1333 9-9-9-24 1T. They won't boot at anything but 9-9-9-24 2T w/1.5V. Which is...sickening...

But...I'll keep banging away at it. Maybe I'll find a way to get something worthwhile out of them...

 

[NdMk2o1o]

You sure about that chief? The four M378B5273DH0-CH9 sticks I just installed are all from 2012 week 17(date code 1217). Someow I doubt they were still making them through 2018. I'd pretty much need to see a pic for proof of that...to believe it.

These M378B5273DH0-CK0 I ordered today are 2013 week 24(x1) and week 38(x3).
View attachment 115508


Anyhow...I've been messing around with these M378B5273DH0-CH9s for about an hour now. Aaaaaaaaaaannnnd…NO LUCK AT ALL!!! So far I can't even get them to run 1333 9-9-9-24 1T. They won't boot at anything but 9-9-9-24 2T w/1.5V. Which is...sickening...

But...I'll keep banging away at it. Maybe I'll find a way to get something worth while out of them...

Give um some volts man ddr3 is good for AT least 1.65v as that's within spec, you should be able to go higher without going crazy

 

[Regeneration]

This is what I got:

 

[MrGenius]

Give um some volts man ddr3 is good for AT least 1.65v as that's within spec, you should be able to go higher without going crazy

I started out trying to get them to run like what I had @ 2400 10-12-12-32 1T. Pumped the volts all the way up to 1.9V. Nothing. Not havin' it. That's pretty much when I realized...these just aren't gonna cut it. And I think I just figured out why too. They're M378B5273DH0-CH9 sticks...BUT...THEY ARE NOT HCH9 CHIPS!!! THEY'RE BCH9!!! WHAT THE FLYING FINKLEFOCKLE IS THIS BULLSHIT?!

I bought them from this guy.
https://www.ebay.com/itm/Samsung-M378B5273DH0-CH9-LOT-4-x-4GB-16GB-DDR3-PC3-10600U-Desktop-Memory-RAM/123496951995?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

And if you look at the pic he's showing, it clearly shows some with HCH9 chips.

So yeah...buyer be-fricken-ware.

NOT ALL M378B5273DH0-CH9 STICKS HAVE HCH9 CHIPS!!!!!!!!

 

[NdMk2o1o]

I started out trying to get them to run like what I had @ 10-12-12-32 1T. Pumped the volts all the way up to 1.9V. Nothing. Not havin' it. That's pretty much when I realized...these just aren't gonna cut it. And I think I just figured out why too. They're M378B5273DH0-CH9 sticks...BUT...THEY ARE NOT HCH9 CHIPS!!! THEY'RE BCH9!!! WHAT THE FLYING FINKLEFOCKLE IS THIS BULLSHIT?!

View attachment 115514


I bought them from this guy.
https://www.ebay.com/itm/Samsung-M378B5273DH0-CH9-LOT-4-x-4GB-16GB-DDR3-PC3-10600U-Desktop-Memory-RAM/123496951995?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

And if you look at the pic he's showing, it clearly shows some with HCH9 chips.
View attachment 115516

So yeah...buyer be-fricken-ware.

NOT ALL M378B5273DH0-CH9 STICKS HAVE HCH9 CHIPS!!!!!!!!

Charge back man, item not as described/pictured

 

[Regeneration]

That's not the source I linked to. You bought used modules. My link is for new modules. And the worst part, you paid the same price.

Try to adjust the timings. You can't use the exact ones from another kit.

 

[MrGenius]

I'm not pointing any fingers at you. I know exactly what the deal is. And it has nothing to do with who I bought them from, or that they're used, or how much I paid for them. None of which means shit to me(frankly, because it's all totally irrelevant). They are the same model/part #/SKU that you bought. But it turns out they don't all have the same ICs as the ones you got. Apparently some have HCH9 and some have BCH9. Ya live ya learn. I didn't hear anybody saying that was the case with them. So I didn't know that was even a possibility. I did, however, know that I might not be getting something I'd ultimately be happy with. Which is why I ordered the other set with HCK0 chips.

EDIT: Just took a closer look at the pic of those M378B5273DH0-CK0 sticks I ordered today. Son of a ...can you freaking believe my luck?! Looks like I'm (probably) getting shafted on those too. The chips on those are BCK0!!! NOT HCK0 like they're supposed to be either!!! GREAT!!!

So...here we go again...BUYER BEWARE...

NOT ALL M378B5273DH0-CK0 STICKS HAVE HCK0 CHIPS!!!!!!!!

Anywho...I sorta know what I'm doing as far as OCing some RAM(been at this for QUITE a few years now ). So I don't really need any advice there. Thanks anyway.

Bottom line: It looks like I might have them stable @ 2400 11-15-15-43 2T with ~1.81V. Which, surprisingly, yields performance similar to the sticks I had already @ 2400 10-12-12-32 1T with ~1.58V. And is significantly better than yours @ 2000 9-11-11-31 1T.

What I had already. The only thing that's better is the latency(and not by much).

PS, I have no intention of bothering the seller with a return either. I agreed to his conditions when I purchased them. As in, I read that he doesn't accept returns, and whaever I got I was gonna be stuck with. I knew he had a number of different sets of the same memory. And that I might not get a "good" set out of those. That's the way the cookie crumbles. I ain't mad at him in the slightest. I am a little ticked off at Samsung for selling the same model/part #/SKU with different ICs. You should be able to buy the same thing and get the same thing. These ARE NOT EVEN CLOSE to the same thing. But whatever. I ain't gonna cry about it. And I'm not going to return them or try and sell them to someone else...so someone else can be disappointed too. I'm better than that. I'm just going to eat it and move on. Cuz that's the kinda guy I am.

 

[Reefa_Madness]

@ MrGenius,

You stated earlier how theses generics HCH9 were perhaps even better than your Team 2666 CL10. You might be interested in knowing that in the thread from XS that I linked earlier one of the fellas posted pics of Team DDR3-2600 CL10 (slightly lower bin than yours) and guess what was under the hood? Yep, BCH9. He had also posted a pic of onether kit with HCH9 so it appears that Team was using both at the time. That being the case, it is entirely possible that your 2666(s) might also have BCH9.

http://www.xtremesystems.org/forums...-sided-2X4GB&p=5159318&viewfull=1#post5159318

Another thing I noticed from your screenshots is the MSI Z77 MPower motherboard you are using. I recall reading discussions when this board was first released about the difficulties that board had clocking the Samsung 4GB modules. Subsequent BIOS revisions attempted to fix this, but I have no idea as to whether they were successful. I know that I personally sent some pretty good HYK0 to a friend of mine to use on his and he returned them because they wouldn't do squat for him, yet for me they were hitting over 2400 on an LGA 2011 rig with less than 1.65v in a quad config.

Have you previously been able to achieve significantly better clocks with other Samsung based ram on that same cpu / motherboard combo you are currently using?

 

[MrGenius]

@Reefa_Madness I did go back through that thread and see the mentions of BCH9 chips. I'm guessing at this point that I just didn't win "The Silicon Lottery" with the set I got. But they're not really that bad when you put it in perspective. I can't get them running with "tight" timings at higher speeds, and can't get CR1 at any speed(stock or above anyway). I can actually get them running seemingly stable with quite a bit better timings than what I can boot with. They pretty much refuse to boot @ 2400 with anything but 11-15-15-43 2T. They seem to run fine in the OS @ 2400 with 11-11-11-31 2T though(and the same ~1.81V they need to boot w/ 11-15-15-43). It's also worth noting that @ 2400 they're +80% OCed. Which ain't bad when you think about it. And, for whatever reason, they still perform pretty much equally to my other kit that I run @ 2400 with tighter timings. They just need a bit more voltage to do it. But even tightened up as tight as I can get them they don't gain me any performance over what I had. Which is...well...what it is. Hopefully the BCK0 sticks I have coming will do better. I even went hog wild and ordered another set of what I hope shows up as HCH9(a matching set of 2011 week 39s). I've lost my mind at this point...somebody stop me!

About the board and other Samsung RAM. The board seems capable of running whatever I throw at it as fast as it'll go. I haven't thrown a lot at it at this point though. I have no idea what brands what I've ran are based on(besides the Samsung generics). All I've got(besides the BCH9) are the Team Xtreem 2666 11-13-13-35 2T 1.65V and a 4GB stick of G.Skill Ripjaws 1333 9-9-9-24 1T 1.5V. Which might all be Samsung for all I know. Or all something else. I haven't a clue. I do know that the Ripjaws stick will run 2400 10-12-12-32 1T w/ 1.65V. So, if it's Samsung, it's better than the BCH9s that I have(well...tighter timings and less volts "better" that is).

 

[Reefa_Madness]

@MrGenius

I personally like playing around with OEM / generics, and have done so since the days of DDR. You have to go into it with the mindset that since these are not binned, anything extra you get is a bonus. It would appear that you understand the need to have that mindset.

You've raised another question for me. I thought your Team was a 2666 CL10, but now you've posted that they are CL11. If that's the case then they may not be Samsung at all, but instead, Hynix. If they are single-sided modules then they are probably MFR, and if double-sided they should be CFR. Neither are likely to run CL9 at 2400. If you download the free version of Thaiphoon Burner it will identify the manufacturer of the ram chips.

http://www.softnology.biz/files.html

4GB stick of G.Skill Ripjaws 1333 9-9-9-24 1T 1.5V

What are the first 8 digits of the serial number printed on the last line of the module's label. The first 3 or 4 indicate the manufacturing year and week, and then the next 3 are used by GSkill to denote the manufacturer of the chips used to produce the module. The coding was changed by GSKill around April of 2012 so you really need the combination of numbers to get a better idea as to what is being used. The 8th digits is usually a zero, but sometimes there will be a letter. I don't know for sure what it represents, but appears enough that it must mean something.

This link below, also from XS, has the coding, both before and after April 2002. I think the codes have been changed again since the introduction of DDR4, but I don't know if these are recapped anywhere. I don't have any parts that use DDR4 so I have not had the need to look those up.

http://www.xtremesystems.org/forums/showthread.php?283666-Figuring-out-G-Skill-s-SNs

Some additional info can be found in the attached image, which is nothing more than my recap of info that others discovered. By utilizing the dates and coding, along with the info from Thaiphoon Burner, you can get a reasonably good idea of what's under the hood of GSkill's modules.

I realize that all of this is off-topic of sorts from the subject of this thread, so my apologies to the OP.

 

[MrGenius]

@Reefa_Madness

Yeah...TB don't tell me shit. For the Team sticks or the G.Skill stick. The Team are 2666 11-13-13-35 2T 1.65V, that I run @ 2400 10-12-12-32 1T 1.58V, because they're more stable like that with my 3770K.

Here's those(double-sided 8GB modules, which I think you're probably right about being Hynix CFR).

Here's the G.Skill stick. It says "310" and "2015 Jan" in the hologram(that the flash blew up). I can't say I fully understand how to determine the IC manufacturer from the serial number. You tell me.