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G. Skill TridentX 4x8GB 2400 Mhz Becoming Rarer To Come By

post #1 of 8
Thread Starter 
The RAM I picked out for my build is seemingly becoming rarer to come by. NCIX has had it on back order status for a while now, and newegg.ca has it on auto-notify, ie. out of stock. Next month I plan on buying a kit, but I don't want to be caught without access to a second mathing set later on. My plan is to get an IBE 4960-X and Rampage 4 Extreme, and I would like to load it up with 8 GB sticks. (32 GB for RAMdisk, if Windows will fit on it, 32 for RAM usage) Should I get a second kit the month after next, and replace that month's savings with my tax return money before the Boxing Day sales where I'd be buying the board and CPU?
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The Death Star
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post #2 of 8
I would say that they are likely to be running low because of the difficulty of binning high speed/low latency 4Gbit IC's for the 8GB DIMMs. Compound that with the very likely low ratio of sales of high end (2133+, but especially 2400+) 4x8GB and 8x8GB kits, and you have a recipe for an extremely niche product. Furthermore, the amount of SB-E CPU's that can run even 4x DIMMs @ 2400 is fairly low (I think it's something like 1/4 of them?), and when you add twice the stress to the IMC by filling EIGHT DIMMs with 8GB sticks, the likelihood of running anything above 1600 goes down exponentially with each step up in clockspeed (so maybe half to a third can do 1866, then a half to a third of those can do 2133, and maybe a quarter of the ones that can do 2133 can do 2400).
I know you mentioned IVB-E, but while I am expecting a stronger IMC, I am not expecting to see everyone running 2400-2800 speed memory with all 8 slots filled with 8GB DIMMs.

If you are looking for a possible alternative, I can highly recommend the G.Skill Ripjaws Z DDR3-2133 9-11-10-28 kit, the Ripjaws Z DDR3-2400 10-12-12-31 kit, and the Trident X DDR3-2400 9-11-11-31 kits. I have all of them, and all my kits use double sided DIMMs with fairly high clocking Samsung or Hynix chips. The 2133 9-11-10-28 kit (4x4GB) will run 2486 9-12-10-29 with stock voltage or 2498 9-11-9-26 1T with 1.675v, on my 3930K, and I've had them up to 2744 10-13-12-32 1T using 1.7125v ona Z77X-UP7 with a delidded 3770K using nothing but cold winter airflow (25-30F).
The Trident X 2400 9-11-11 kit is what's in the UP7 as it's 24/7 memory, and it is some of the most funmmemory to overclock... Fortunately, I have a 3770K that, with the excellent GB UP7 motherboard, will run with a BCLK range of 94.3MHz to 108.6MHz, giving a lot of extra room to tweak the memory speed (although still not as much as with my 3930K + RIVE, but the stronger IMC of IVB is needed for high clocks). I am not sure if the kit I've got is representative of the general quality of these modules or if I got really lucky, but considering my luck is so bad that if I bought a lottery ticket, I'd probably somehow end up owing the state lotto $187 Million, I would think that most of these kits are as good if not better than the ones I have got. I will say, the only way you can be sure of getting a known good kit is by getting the 2400 9-11-11 and not 10-12-12, as the latter is now single sided DIMMs while the former remains dual sided.
Anyway, the Trident X 2400 9-11-11 kit is able to get to 2682 10-11-11-30 with stock voltage, and as high as 2844 10-13-12-32 1T with 1.6875v. With the winter air, it would post and finish SuperPI and wPrime @ 2876 10-12-12-31 1T with 1.72v.
The Ripjaws Z 2400 10-12-12 kit is not as good of an overclocker as the other two, but it still has a good amount of headroom. The stock timings will get down to 9-12-11-30 pretty easily, and the stock timings will stay put up to about 2600. I have not had the kit for long so I don't have anywhere near the amount of time into overclocking them as I do the other two, but I would venture to say that they can likely do around 2666 or so.
   
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Z77 Bench-a-lot
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post #3 of 8
Thread Starter 
Detailed answer, thanks!
Quote:
Originally Posted by nleksan View Post

I would say that they are likely to be running low because of the difficulty of binning high speed/low latency 4Gbit IC's for the 8GB DIMMs. Compound that with the very likely low ratio of sales of high end (2133+, but especially 2400+) 4x8GB and 8x8GB kits, and you have a recipe for an extremely niche product.

True enough. Are you saying they'd likely restock, and it's just an issue of supply most likely? NCIX carries very high-end stuff.
Quote:
Originally Posted by nleksan View Post

Furthermore, the amount of SB-E CPU's that can run even 4x DIMMs @ 2400 is fairly low (I think it's something like 1/4 of them?), and when you add twice the stress to the IMC by filling EIGHT DIMMs with 8GB sticks, the likelihood of running anything above 1600 goes down exponentially with each step up in clockspeed (so maybe half to a third can do 1866, then a half to a third of those can do 2133, and maybe a quarter of the ones that can do 2133 can do 2400).
I know you mentioned IVB-E, but while I am expecting a stronger IMC, I am not expecting to see everyone running 2400-2800 speed memory with all 8 slots filled with 8GB DIMMs.

At its' price point, and with how much engineering went into it, it should be expected that the Rampage 4 Extreme should be able to run the maximum supported RAM at the top-supported speed. Given that it's an ROG board and how it's supposedly the best LGA 2011 board on the market (Asus would say so, I would agree), it would be absolutely unacceptable if it couldn't run 64 GB of 2400 Mhz RAM 24/7, overclocking aside. If it couldn't do that, I'd demand a replacement and RMA it.
Quote:
Originally Posted by nleksan View Post

If you are looking for a possible alternative, I can highly recommend the G.Skill Ripjaws Z DDR3-2133 9-11-10-28 kit, the Ripjaws Z DDR3-2400 10-12-12-31 kit, and the Trident X DDR3-2400 9-11-11-31 kits. I have all of them, and all my kits use double sided DIMMs with fairly high clocking Samsung or Hynix chips. The 2133 9-11-10-28 kit (4x4GB) will run 2486 9-12-10-29 with stock voltage or 2498 9-11-9-26 1T with 1.675v, on my 3930K, and I've had them up to 2744 10-13-12-32 1T using 1.7125v ona Z77X-UP7 with a delidded 3770K using nothing but cold winter airflow (25-30F).
The Trident X 2400 9-11-11 kit is what's in the UP7 as it's 24/7 memory, and it is some of the most funmmemory to overclock... Fortunately, I have a 3770K that, with the excellent GB UP7 motherboard, will run with a BCLK range of 94.3MHz to 108.6MHz, giving a lot of extra room to tweak the memory speed (although still not as much as with my 3930K + RIVE, but the stronger IMC of IVB is needed for high clocks). I am not sure if the kit I've got is representative of the general quality of these modules or if I got really lucky, but considering my luck is so bad that if I bought a lottery ticket, I'd probably somehow end up owing the state lotto $187 Million, I would think that most of these kits are as good if not better than the ones I have got. I will say, the only way you can be sure of getting a known good kit is by getting the 2400 9-11-11 and not 10-12-12, as the latter is now single sided DIMMs while the former remains dual sided.
Anyway, the Trident X 2400 9-11-11 kit is able to get to 2682 10-11-11-30 with stock voltage, and as high as 2844 10-13-12-32 1T with 1.6875v. With the winter air, it would post and finish SuperPI and wPrime @ 2876 10-12-12-31 1T with 1.72v.
The Ripjaws Z 2400 10-12-12 kit is not as good of an overclocker as the other two, but it still has a good amount of headroom. The stock timings will get down to 9-12-11-30 pretty easily, and the stock timings will stay put up to about 2600. I have not had the kit for long so I don't have anywhere near the amount of time into overclocking them as I do the other two, but I would venture to say that they can likely do around 2666 or so.

I had my eye on the Ripjaws Z kits when they came in, as G. Skill's first big lineup of performance-speed 8 GB DIMM kits. They came in as ultra-expensive, and went down to merely expensive. They're still not competitive with the Trident X'es in price. And I think they look uglier than the Trident X DIMMs. biggrin.gif
Plus, I think the Ripjaws are mostly blue. These fit the colour profile of the R4E much better.
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The Death Star
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post #4 of 8
Quote:
Originally Posted by OverclockerFox View Post

At its' price point, and with how much engineering went into it, it should be expected that the Rampage 4 Extreme should be able to run the maximum supported RAM at the top-supported speed. Given that it's an ROG board and how it's supposedly the best LGA 2011 board on the market (Asus would say so, I would agree), it would be absolutely unacceptable if it couldn't run 64 GB of 2400 Mhz RAM 24/7, overclocking aside. If it couldn't do that, I'd demand a replacement and RMA it.

It's not the board that's in question, it's the processors themselves. Not many Sandy Bridge-E chips have memory controllers strong enough to run 64GB of DDR3-2400.
post #5 of 8
Thread Starter 
Quote:
Originally Posted by sabishiihito View Post

It's not the board that's in question, it's the processors themselves. Not many Sandy Bridge-E chips have memory controllers strong enough to run 64GB of DDR3-2400.

Well that's irrelevant anyways. I won't be using Sandybridge-E on it.

I saw IBE coming a year or more ago and figured out that by the time I got the rest of the build finished, and saved for a Sandybridge-E chip, about 6 months later or less after that IBE would be released and I'd be kicking myself for buying the wrong $1K processor.

Besides, Ivy Bridge is supposed to have some memory improvements over Sandybridge and SBE. And don't forget, Intel needs to build a new 8+ core modular design for Ivy Bridge E. So that means that the on-die features except the design of the cores themselves will need to be reworked for the new die, so it may be fairly different than its' 4-core cousins when it's done. A Full 8-core or higher of that modular design would be a Xeon, and for the E series they would slice off a couple of cores (or maybe more) and leave it with at least 6.
Edited by OverclockerFox - 5/24/13 at 12:47pm
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The Death Star
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post #6 of 8
As pointed out above, it's not up to the board (which is MORE than capable), it's up to the CPU.

What you're asking it to do is THE most stressful thing you can have the IMC do... 8x DIMM's of the highest-density memory modules, at one of the highest memory speeds.... I'm not saying it's impossible, just that a very small percentage of chips are capable of that. It may be different with IVB-E, I don't know, but I am just suggesting that you steer towards the side of caution rather than disappointment.

Also, FWIW, the RIVE is the only board I am aware of that has an extra plug SPECIFICALLY for supplying extra voltage to the DIMM's (EZ_PLUG2), something that is typically needed even with 8x4GB or 8x8GB of DDR3-1600, and almost ALWAYS needed at any speed higher.


I have had some weird experiences with the EZ_PLUG2, though... I plugged it in, using a MOLEX to FDD Power Adapter that I sleeved, and with it plugged in, my PC wouldn't boot... I only run 4x4GB, but I figured EVEN MORE stable voltage could only help with pushing memory beyond 1.7v and past 2500MHz... (my PSU measures a MAX of ~21mV ripple under load, and that's pulling 791-803W from the wall, between which there is a Tripp Lite ISOBar8Ultra with 100dB EMI/RFI filtration and 4 independent isolated filter banks with voltage regulation (I've measured them dropping voltage fluctuations in electronics by over 95%, even with 2 of my McIntosh amps each pulling 800W through it; considering the quality of the MB VRM/MOSFET's, I should have extremely clean power delivery, but I WANT MOAR!).

Maybe it's because I have every other possible power plug connected, even though some are "unnecessary" (6pin PCI-E power for extra PCI-E Lane Voltage; but as I'm running 1.232v through my card and pushing beyond 1400core/7300mem, I want MOAR!)....???
   
Z77 Bench-a-lot
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Z77 Bench-a-lot
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EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
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WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
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post #7 of 8
You talking about these? http://www.newegg.com/Product/Product.aspx?Item=N82E16820231590

? Looks to be in stock to me

I had trouble running 2400 (4x4GB and 2x8GB) with my 3770K and had to lower frequency to 2133. However 2x4GB 2400-2666 ram operates just fine with my CPU. Weird, I know... tongue.gif

Haswell however may have a stronger memory controller but be aware that you might not be able to run 2400 with 8 DIMM slots occupied.
post #8 of 8
Thread Starter 
Quote:
Originally Posted by Bruennis View Post

You talking about these? http://www.newegg.com/Product/Product.aspx?Item=N82E16820231590

? Looks to be in stock to me

I had trouble running 2400 (4x4GB and 2x8GB) with my 3770K and had to lower frequency to 2133. However 2x4GB 2400-2666 ram operates just fine with my CPU. Weird, I know... tongue.gif

Haswell however may have a stronger memory controller but be aware that you might not be able to run 2400 with 8 DIMM slots occupied.

Hmm, seems to be back in stock on newegg.ca. Yay! biggrin.gif
Quote:
Originally Posted by nleksan View Post

As pointed out above, it's not up to the board (which is MORE than capable), it's up to the CPU.

What you're asking it to do is THE most stressful thing you can have the IMC do... 8x DIMM's of the highest-density memory modules, at one of the highest memory speeds.... I'm not saying it's impossible, just that a very small percentage of chips are capable of that. It may be different with IVB-E, I don't know, but I am just suggesting that you steer towards the side of caution rather than disappointment.

Also, FWIW, the RIVE is the only board I am aware of that has an extra plug SPECIFICALLY for supplying extra voltage to the DIMM's (EZ_PLUG2), something that is typically needed even with 8x4GB or 8x8GB of DDR3-1600, and almost ALWAYS needed at any speed higher.


I have had some weird experiences with the EZ_PLUG2, though... I plugged it in, using a MOLEX to FDD Power Adapter that I sleeved, and with it plugged in, my PC wouldn't boot... I only run 4x4GB, but I figured EVEN MORE stable voltage could only help with pushing memory beyond 1.7v and past 2500MHz... (my PSU measures a MAX of ~21mV ripple under load, and that's pulling 791-803W from the wall, between which there is a Tripp Lite ISOBar8Ultra with 100dB EMI/RFI filtration and 4 independent isolated filter banks with voltage regulation (I've measured them dropping voltage fluctuations in electronics by over 95%, even with 2 of my McIntosh amps each pulling 800W through it; considering the quality of the MB VRM/MOSFET's, I should have extremely clean power delivery, but I WANT MOAR!).

Maybe it's because I have every other possible power plug connected, even though some are "unnecessary" (6pin PCI-E power for extra PCI-E Lane Voltage; but as I'm running 1.232v through my card and pushing beyond 1400core/7300mem, I want MOAR!)....???

So, plug in all the extra power connectors on the board. Alrighty then.
Edited by OverclockerFox - 5/24/13 at 2:57pm
The Death Star
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The Death Star
(18 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte 990FXA-UD7 ASUS GTX750TI-OC-2GD5 Corsair CMX8GX3M2A1600C9 
RAMHard DriveOptical DriveCooling
Corsair CMX8GX3M2A1600C9 Various, all temp/ad hoc  LG BH14NS40 Noctua NH-D14  
OSMonitorKeyboardPower
Windows 7 Ultimate (retail) LG 22EN33 Microsoft Natural Ergonomic Keyboard 4000 Silverstone ST1500 
CaseMouseMouse PadAudio
HAF-X Thermaltake Tt eSPORTS Level 10 M Gaming Mouse Steelseries 4HD ASUS Xonar Essence STX 
AudioAudio
Corsair SP2500 Beyerdynamic DT990 Premium 600 Ohm 
  hide details  
Reply
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