Crucial CT2Kit 4 GB

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11:00 PM - 09/21/2008 by Patrick Schmid and Achim Roos

Crucial hasn’t been following the “arms race” in the memory arena as aggressively as other memory makers, but the firm still offers a full lineup of memory products for mainstream users and enthusiasts. If you’re looking for Crucial enthusiast memory, we recommend checking out the Ballistix line. The memory kit we received for review is part of the standard memory line, part number CT2KIT25664AA1067, which already tells us a lot about the actual memory. Compared to most of the other products, this one is not aimed at the uber-enthusiast, but it is the only product that fully complies to the JEDEC specification for DDR2-1066 speed, as nothing faster than CL7-7-7 has been specified.

The Crucial Web site provides assistance to everyone trying to find the right product. First of all, you select the memory type, then you can remove all the parameters that you don’t need or want: memory speed, type, density, kit or single modules, DIMM type, and error checking. The alternative would be using Crucial’s RAM memory advisor, which scans your system in order to find the best memory to upgrade after providing your motherboard or PC make. Anyone who is not familiar with memory details will be happy to get this type of help.

Specifications

The CT2KIT25664AA1067 isn’t a bargain at $229.99, but as upgrade memory it is expected to work flawlessly. The “1067” tells the user that this is a 1066 speed grade, but with CL7 timings. The CT2 prefix tells us about the memory technology, which is DDR2. The kit consists of two unbuffered 2 GB modules. Unlike the other products in this roundup, the Crucial DIMMs stick to conventional DDR2 operating parameters of 1.8 V standard voltage – and they don’t even come with a heat spreader, which is really unusual these days. Heat spreaders are metal plates that dissipate heat away from the memory chips. Crucial proves that they aren’t really necessary at stock speeds or voltages.

Plain and Simple

The Crucial memory isn’t shiny, coming on an ordinary green printed circuit board (PCB) with uncovered Micron memory chips (Crucial is the retail arm of Micron). This memory doesn’t go far in terms of overclocking, it doesn’t look spectacular, and it does not come with any special features such as memory profiles, cooling tweaks or other items of interest. It’s just plain memory and it just works. Period.

Overclocking

As mentioned, the memory doesn’t take you very far, especially since we decided to stay on the safe side of the specified timings and voltage, which means CL7-7-7-24 timings and 1.8 V voltage. Compared to 2.1 V or more with some of the other products, it’s obvious that clock speed records were difficult to reach.

DDR2-1091 speed was as much as we could get, although we’ve seen other Crucial DDR2 memory, also based on Micron memory chips, reach far higher speeds once higher voltages were applied. This is also the case with our test samples: 2.0 V or 2.1 V makes a huge difference, as it will give you almost another 100 MHz maximum clock speed. However, if you want both faster timings and faster clock speed, you’ll probably have to pick another product.

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Talkback
ChopstickNINJ4 09/22/2008 5:45 AM
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Hmm, then this is a really good deal then:

kingston hyperx for $75 with shipping
http://www.newegg.com/Product/Prod [...] 6820104060

But even then, prices in the article seem rather high don't they? Just wait for a rebate on the RAM and get it then, hell OCZ has had a new rebate continually for the last 3 months.

kitsilencer 09/22/2008 5:52 AM
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I don't know about this...

What with Nehalem, the X58 and DDR3, upgrading DDR2 seems like a cheap and temporary thrill.

Anonymous 09/22/2008 6:19 AM
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What about this memory kit; I have it and love it...

http://www.patriotmem.com/products [...] 576&type=1

Runs rock stable on my 780G based board and this kit can be had for as little as $90. Was there some reason this memory was not included in the tests?

SenseR 09/22/2008 7:40 AM
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I use the Kingston mem on 1.066MHz with 4-4-4-12 timings on 2.2V and it is running stable for eight months now. Deffo a go.
SenseR.

doomsdaydave11 09/22/2008 7:57 AM
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lol I love how DDR2-667 performs within .2% of DDR3-1066 :D
For me, DDR2-800 seems like a decent way to go. It can be found online for $60 for a 2x2GB set. I'm just rolling with a basic set of 2x2GB DDR2-800 XMS2 from Corsair. It runs fairly fast and cool; haven't tried overclocking them yet, though.

KILLER_K 09/22/2008 8:37 AM
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They are all overclocked 800mhz ics amnyway so it doesn't matter. You can but pc6400 modules that do 1066 - 1200 with ease these days. Tom should have picked specific ram ic's like micron d9's , promos, and a few other good ones and compared the overclocking that way.

Good Day

Anonymous 09/22/2008 2:46 PM
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Wow that could have actually been a useful article if only you had done the test on an AMD system as well...

Ryun 09/22/2008 4:04 PM
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devoncoke :
Wow that could have actually been a useful article if only you had done the test on an AMD system as well...



I was thinking the exact same thing. I think it's pretty well known, at least here, that you see little difference between DDR frequencies when they're above the Bus speed (for those processors still using the north bridge as a memory controller).

I would really like to see comparisons between DDR2 memory with a Phenom. I was looking for this the other day and turned up with little direct comparisons of DDR2-800 vs 1066. It'd be a really good article to read, and one that I think Tom's should jump on. It'd also give people a chance to see what an IMC can do and maybe help some people out when they're picking out DDR3 for their Core i7's.

MadHacker 09/22/2008 5:41 PM
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I think writers @ Toms has to learn what Overclocking percentage means...
100% overclock is running it twice as fast as spec.
so running at 106% overclock is more then twice as fast?
I think their concept of overclocking percentages is mixed up.

darckeen 09/22/2008 5:55 PM
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bleh, these are the best high clock ddr2s on the market. guess they don't qualify since they are 1100mhz lolz.

http://www.newegg.com/Product/Prod [...] 6820231194

Morphuess 09/22/2008 7:27 PM
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ChopstickNINJ4 :
Hmm, then this is a really good deal then:kingston hyperx for $75 with shippinghttp://www.newegg.com/Product/Prod [...] 6820104060But even then, prices in the article seem rather high don't they? Just wait for a rebate on the RAM and get it then, hell OCZ has had a new rebate continually for the last 3 months.


That isn't the same Kingston ram featured in this article. The timing for that RAM is 7-7-7-20, although it is very affordable. I'm thinking of picking up a set of it myself.

hellwig 09/22/2008 8:14 PM
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According to OCZ's own website:

OCZ :
Important Note: Due to the width of the heatsink, Flex II memory kits cannot be installed on motherboards that require the modules to be inserted in sockets side by side. A maximum of one Flex II dual channel kit will fit on any motherboard with dual sockets.


I guess it's a good thing this review was done on an Asus board with staggered memory channels (A->B->A->B). If your motherboard groups your memory channels (like my old Gigabyte and Asus boards, i.e. A->A->B->B) then these modules will be worthless as they will be running in single-channel (cause you couldn't put two modules on the same memory channel). I think this fact alone means they are worthless as performance memory. You'd get better performance out of 667-dual channel if you have a mother board with grouped memory channels.

Anonymous 09/22/2008 8:36 PM
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there's nothing interesting with memory technologies since before DDR2 came out. now, the FSB and RAMs had catch up with the CPU not like before.
but there's an interesting comment i've read above. Why not test a quad core with a heavily threaded application, i'm sure there will be big differences in memory/ram speeds.

eodeo 09/22/2008 9:27 PM
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ddr2-800 is as fast as it gets with sane fsb400. overclocking higher than fsb 400, ddr2-800 is only usefull untill ddr2-1066, fsb 533.

And like said before, most ddr2-800 kits go to 1066 with relative ease.

EVERYTHING above fsb 533/ ddr1066 is useless. Face it, acknowledge it, learn it.

Daredevils that push their system to 600+fsb do so for a very short of time just to prove that they can. Not many of those and usefulness of these test is debatable.

Anonymous 09/22/2008 10:21 PM
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Where the heck is G.Skill... Would beat all of these in clean..

Heppy customer of G.Skill for several years..

lvdax 09/23/2008 12:59 PM
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Quote :While 4 GB of RAM cannot be fully utilized on 32-bit operating systems such as Windows XP windows xp and Windows Vista 32, you’ll still get between 3.3 and 3.7 GB of effective memory capacity.

Ummm... Am I the only one that knows about PAE???


Besides the fact that you didn't do all your homework the article was very well written and informative. Thanks
~Cheers

P.S. Next article idea... PAE and how it home users can benefit from it. BTW i do not recommend PAE if you use non-standard devices as it can have issues with drivers.

eodeo 09/23/2008 2:13 AM
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What is PAE? I dont know about it. Please share :)

JonathanDeane 09/23/2008 3:00 AM
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eodeo :
What is PAE? I dont know about it. Please share



PAE stands for Physical Address Extension or something like that :) basically its a software trick that reminds me of paged memory, I also think that it requires programs that are designed to use PAE in other words no games will make use of it and only a handful of programs make use of the added RAM.

eodeo 09/23/2008 3:09 AM
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so... its useless. ok

I really cant think of a single reason one shouldn't use win xp x64 instead of win xp 32bit- save for 16bit app support (think old dos games, that can be run on dosbox anyway..)

JonathanDeane 09/23/2008 3:30 AM
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eodeo :
so... its useless. ok




No for some programs it is probably really cool :) I imagine they use it allot for server type things or large data bases. Please note that I am no expert by any means when it comes to PAE lol


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