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G.Skill date codes and PSC X vs. T/R series?


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Common wisdom seems to be that if it's after week 1020, it's going to be T/R instead of X. Does this apply only to low bin, or to all G.Skill PSC? And what about other manufacturers with easily identifiable date codes ex. Kingston, Corsair?

I haven't got many rams, but all of my PSC is X series, even tho some dates are after week 20.

(2) PI 1600 7-8-7 date 1050, X series

(3) Ripjaws 2000 9-9-9 date 1021, X series

(3) Trident 2000 9-9-9 date 1008, X series

(2) Sector 5 2400 9-11-9 Don't know how to parse date code, X series

Side note - did anyone very recently grab some 2000 9-9-9 flares from ebay? If so were they X or T/R?

Bonus question - what is this?

 

Adata 2200c9(1).jpeg

Adata 2200c9.jpg

Edited by nnimrod
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The switch happened only on kits whose specs allowed for it. As much as G.Skill would like to use cheaper ICs on, say, 2400C8 PI, there simply aren't any alternatives out there.

It's not impossible to find 1600C7 with X-series that are new, but chances are those won't be good.

Normally most 2200 9-9-9 kits are BBSE, but from the seventh digit of the bottom marking, I see it's a "C" or a "D", indicating Elpida BCxx (which officially never existed) or BDBG/BDSE.

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I have a Flare 2000C9 set dated 1042, think it's XED (or similar) on ST pcb, haven't actually checked though for risk of damaging them.

They don't clock quite as well as my XDT based 2000C9 Trident's so that's why I assume they're XED or some other later X-series IC. Could just be by chance though.

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4 hours ago, TaPaKaH said:

The switch happened only on kits whose specs allowed for it. As much as G.Skill would like to use cheaper ICs on, say, 2400C8 PI, there simply aren't any alternatives out there.

It's not impossible to find 1600C7 with X-series that are new, but chances are those won't be good.

Normally most 2200 9-9-9 kits are BBSE, but from the seventh digit of the bottom marking, I see it's a "C" or a "D", indicating Elpida BCxx (which officially never existed) or BDBG/BDSE.

Ok that makes sense. What do you think is the best spec that T/R might have? And on closer inspection I'm about 70% sure the seventh character is a B. Hard to tell because of the weird glue they used, I was unable to find a better method for getting it off the IC than my fingernail. Kind of detrimental to the text underneath.

1 hour ago, DR4G00N said:

I have a Flare 2000C9 set dated 1042, think it's XED (or similar) on ST pcb, haven't actually checked though for risk of damaging them.

They don't clock quite as well as my XDT based 2000C9 Trident's so that's why I assume they're XED or some other later X-series IC. Could just be by chance though.

The risk is half the fun of it tho...

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  • 5 weeks later...
On 5/28/2021 at 10:10 PM, nnimrod said:

Side note - did anyone very recently grab some 2000 9-9-9 flares from ebay? If so were they X or T/R?

Oh, I did buy some 2000 9-9-9 flares on the date of this post 😁 I have two kits, 1031 and 1039. They're pretty decent:

In the worse 1039 pair, one stick is strong on tRCD (1100 6-9-6 8M, 1200 7-10-7 32M, 1300 8-11-8 32M), both are fine on voltage but not "strong."

In the better 1031 pair (the one you're asking about), they're not quite so tRCD-strong (8M/1M 1300 tRCD11), but do pass 1333 8-12-8 tight at 1.86V which I was impressed with -- definitely my best 2000C9 at the time (though now I have found some very similar Ripjaws)

I happened to see that you got some more patriots recently, hope they perform well for you :)

T/R I don't think ever made it into 2000 9-9-9, only 2000 9-10-9, and the highest was 2200 9-11-9 as far as I know.

(Also, just to be pedantic, the X/T/R system doesn't mean what "common wisdom" thinks it does 😉. But that's a discussion for another time.)

Edited by redux
T/R note
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11 hours ago, redux said:

Oh, I did buy some 2000 9-9-9 flares on the date of this post 😁 I have two kits, 1031 and 1039. They're pretty decent:

In the worse 1039 pair, one stick is strong on tRCD (1100 6-9-6 8M, 1200 7-10-7 32M, 1300 8-11-8 32M), both are fine on voltage but not "strong."

In the better 1031 pair (the one you're asking about), they're not quite so tRCD-strong (8M/1M 1300 tRCD11), but do pass 1333 8-12-8 tight at 1.86V which I was impressed with -- definitely my best 2000C9 at the time (though now I have found some very similar Ripjaws)

I happened to see that you got some more patriots recently, hope they perform well for you :)

T/R I don't think ever made it into 2000 9-9-9, only 2000 9-10-9, and the highest was 2200 9-11-9 as far as I know.

(Also, just to be pedantic, the X/T/R system doesn't mean what "common wisdom" thinks it does 😉. But that's a discussion for another time.)

Hah, the mystery has been solved 😄

Indeed I did :) I also found a 6 dimm set of team xtreem 1866 9-9-9 which turned out to be XDW. I haven't had that particular code yet. And a lot of 25x 2gb sticks rated 1866+, the pics were lousy, but it sure seemed like there were perfect storm heatspreaders hiding in the back.

 

Please feel free to elaborate on the X/T/R deal, I'm all ears.

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