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Anyone have 4gb DDR2-800 (1x4GB) In Stock? Buyer Ready Here!!

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December 8, 2008 1:29:04 AM

Ive been looking for 1x4GB 800mhz sticks for over 2 months and NO ONE has it in stock. Is it a collectors item now? If you are a store and have it, please let me know. If you know of any in stock somewhere, please let me know. Thanks so much. jason.volpe @ comcast dot net

Thanks
December 8, 2008 1:43:02 AM

Thanks for the quick reply. I should have noted I'm looking for notebook memory, 2 total sticks, 4GB a piece to total 8GB @ 800ghz hence the (1x4GB).
a b } Memory
December 8, 2008 1:43:52 AM

Oh well in that case...
a b } Memory
December 8, 2008 1:53:16 AM

Your notebook DIMM slots may not support the latency requirments of a 4 GB PC26400 800MHz. DIMM. 2GB may be the supported limit. A 2 x 2 GB kit. Vista 64 OS would recognize and assign 4 GB. You would probably never exceed 4 GB use under normal usage.
December 8, 2008 3:10:02 AM

I have an HP Pavilion DV5T that's running Windows Server 2008 Enterprise x64 with Hyper-V as well as SQL Server 2008 x64 (SSIS, SSAS, SSRS), MOSS 2007 Enterprise, Visual Studio 2008, PerformancePoint Server 2007 x64 and VMWare Workstation so I most definitely need it. It supports up to 8GB of RAM and it came with 8GB of RAM, but I helped out a couple of my employees with RAM and took their 2GB sticks and am paying the price now. I had to move to eSata external drives in addition to SATA 7200rpm drives internally to help out with the tremendous throughput requirements I have. Once SQL and MOSS start up, I'm pretty close to tapped out on memory, so will I use that 8GB, you bet! The question is, do I have to give up a liver in order to get my hands on 2 sticks (4gb each and 800mhz)?.?.?.

Thanks,
Jason
a b } Memory
December 8, 2008 3:55:22 AM

Was the 2 x 4GB that came with your notebook using a data transfer rate of 800Mhz. when set there? Or would the transfer default to 667Mhz.
December 8, 2008 4:05:00 AM

To be honest, I didn't have them in long enough to benchmark it. I can say for sure that it recognized all 8GB and performed like a champ. In fact, I never came close to writing to the page file on a consistent basis like I am now. My file latency within an app was in double digits at most, which I could live with. Now, when I process a cube, or kick off a small to medium size ETL process, my latency is between 100 - 1800ms, which is awful. Prior to upgrading to 7200rpm disks, a lot of that was caused by my 5400rpm disks. Now that I'm running 7200/eSata for all external, it's improved, but still committing more to RAM than I have, thus swapping like crazy. I'm really tempted to run at 667mhz because of the performance gain I'll see purely from going from 4GB to 8GB excluding the downsize in mhz. Do you have any benchmarks on what you give up between 667 and 800?
a b } Memory
December 8, 2008 4:11:12 AM

DDR2 PC25400 @ 667mHZ. = 5.4 Gb/sec. data transfer rate

DDR2 PC6400 @ 800mHZ. = 6.4 gb/sec. data transfer rate

Which processor do you have and how much L2 Cache does it have? The processor's L2 Cache is the amount of data in GBs the unit can hold ready to be processed.

a b } Memory
December 8, 2008 4:22:43 AM

haha. That 6MB of cache will hold a lot more data than my old AMD 64 2.4 with 512 MB cache. Took me a while to figure out why giant digital photos files wouldn't be tossed around like an ant in that system. It just stopped and played dead when I tried it. 8)
December 8, 2008 4:27:47 AM

DDR2 PC25400 @ 667mHZ. = 5.4 Gb/sec. data transfer rate

DDR2 PC6400 @ 800mHZ. = 6.4 gb/sec. data transfer rate



This is actually good to know. I wasn't aware of those specs. Actually, that's not performance I'm willing to give up. 1GB/sec is significant throughput, and considering it's a major part of my bottleneck, especially while working with cube processing, I'd be crazy to give that up just to get 8GB right now. My company has the 6400 on order, but every vendor we've worked with has it on backorder. I was trying to see if it was worth getting some before they came in. We have a bunch we're ordering, so there's a bunch of people in our practice that are waiting too.

Thanks for the info.
a b } Memory
December 8, 2008 4:30:53 AM

I use 8 GBs PC28500 at 1066 MHz. 9450 C2Q at 2.8GHz. Earlier today I encoded the movie, Sideways. I'm cheap, it's a Christmas gift. While encoding that movie with DVD Shrink, I had on my Slingbox digital satellite TV watching the Lakers. I also had numerous browsers open (14 at one point), and numerorous other things I was doing during that encoding time (20 odd minutes to end of burn). I had some Thai basil chicken on the stove if that's of any concern, LOL. I checked my Task manager sereral times. My quad core processor rarely rose above 50% and most of the time was in the 20% range. And my RAM was a 2.46GB most of the time. I didn't even touch the surface of the capability of my system.
December 9, 2008 12:02:39 AM

You actually should go with the 667, pocket the $, and give it a 10% overclock at all times. Close to the same speed, and if you have an Intel CPU you can overclock retail systems. And you could get the huge benefit of 2x the RAM. I'll dig up that Intel retail OC link in a minute.
December 10, 2008 12:27:05 AM

bmlevey said:
You actually should go with the 667, pocket the $, and give it a 10% overclock at all times. Close to the same speed, and if you have an Intel CPU you can overclock retail systems. And you could get the huge benefit of 2x the RAM. I'll dig up that Intel retail OC link in a minute.



I'm very interested in seeing more about this. My company actually went out and purchased the PC2 6400 800mhz, but i'd still be interested in overclocking as I know my machine supports up to 1066mhz.

Thanks!
December 13, 2008 12:56:48 AM

:(  Ok, this is weird. The RAM my company ordered me just came to my house. It's the Crucial 8GB Kit that has the link below. What's odd is that the box the memory is in has never been opened, and has a model number on the outside sticker: CT2KIT51264AC800 (which is PC2-6400 800Mhz)

However, on that same sticker just above the CT2KIT51264AC800 is this: 2-4GB 200 Pin DDR2 SODIMM 512Mx64PC2 - 5300 DUAL DIE. There are only 2 sticks of RAM in the box, both have stickers on them that say: CT51264AC800.K8DK 4GB 200 PIN DDR2 SODIMM 512MX6

Long story short, there definitely is 8GB of RAM here. But, we ordered the PC2-6400 not the PC2-5300. I can't tell which I have because the outside sticker on the box says 5300 DUAL DIE, but on that same sticker just right below that 5300 DUAL DIE text is the CT2KIT51264AC800 item number, which is the right RAM (PC2-6400). Has anyone seen this before? I'm sure there's a logical explanation for this, but I wanted to validate it before I opened this new box of RAM in case I have to return it to get the right speed.

Here's exactly what I received based on the item numbers matching: http://www.newegg.com/Product/Product.aspx?Item=N82E168...
December 13, 2008 1:16:51 AM

Is there a way to do it without opening the box? I'm trying to validate this without opening the box.
a b } Memory
December 13, 2008 2:29:17 AM

If you search those numbers you posted, you come up with this RAM at Crucial's website. Crucial has an online chat or 800 support number. The company is very helpful with any question I have posed to them over the years.

http://www.crucial.com/store/partspecs.aspx?IMODULE=CT2...
December 13, 2008 2:33:09 AM

I found these sticks on their site as well, however both their chat and support have bankers hours, so they're never around when I needed to talk w/ them. I don't have much time during those hours unfortunately.
a b } Memory
December 13, 2008 2:40:11 AM

Crucial has alifetime or limited lifetime warranty on their RAM. So, it would be all right to open the pacakge and verify the DIMMs with CPUZ.
a b } Memory
December 13, 2008 2:48:20 AM

If you install the memory, this program will allow the settings (speed, timing and voltage) to be adjustable from the desktop. The program will display real time adjustable memory adjustments.

http://www.tweakers.fr/memset.html
a b } Memory
December 13, 2008 2:53:02 AM

One other thing. A 4 GB module is going to have a lot of density. It is possible the RAM will be programmed at PC25300 667 MHz. and be guaranteed to run at PC26400 800MHz. I do not know that for sure, but this may be the case.

If the DIMMs were programmed as PC26400 800MHz., a lot more voltage would be required to boot them up. As opposed to being programmed as PC25300 667Mhz. which would boot with less voltage and then be overclockable to PC26400 speeds.
a b } Memory
December 13, 2008 7:32:30 AM

This is a laptop, and not a $2000 high-performance DTR laptop, but a HP "entertainment" laptop whose typical configuration ranges between $600 ~ $900. I doubt this system will run DDR2-800, nor should he want it to.

8GB @ DDR2-800 in a laptop = lots of dissipated heat. DDR2-533 will probably be the BIOS default for 8GB configuration, given how conservative the big OEMs are.
December 13, 2008 1:56:58 PM

tcsenter- I'm not sure what you're referring to, but this laptop ran $2400. It's running 7200 sata drives, has a FSB of 1066 without overclocking, 6M of L2 cache, and has one of the best processors on the market T9600. I had no issues putting the ram in and having it run at 800, so the model number that's on here that refers to 5300 must not be any reference to the PC2-6400 configuration because the DRAM frequency is 400MHz x 2 = 800MHz. Sure, you can get base models of this for $800, but this laptop replaced my Dell D630 that also had a T9600 processor and it smokes it hands down. Running Windows Server 2008 x64 has made this laptop what I had always hoped for. I used CPUZ to validate that the RAM was correct.

As for the dissipation of heat, not seeing that, and I'm running Windows Server 2008, SQL Server 2008, MOSS 2007, PerformancePoint Server, Visual Studio 2008, and also Hyper-V & VMWare. Trust me, if those server apps don't heat this up, nothing will!
!