What is the difference bet simn and dimn memory sticks?
968344
Almost all modern PC's Pentium 2's and later are DIMM only. 486's use SIMMs and early Pentium's. \n\nPhysically, they look "about" the same, as they are basically small circuit boards with some memory chips on them. The different is in number of pins. SIMMs for the earliest PC usually have 30-pins only while later SIMMs have 72-pins. DIMMs are 168 pins or 184 pins. \n\nPhysically, 30-pin SIMMs are usually height of a nickel, and width of about a business card. The pin-edge has no notches at all. \n\nThe 72-pin SIMMs has one notch on the pin-edge in the middle, and the pins are much closer together compared to the 30-pin and the individual "pins" are thinner as well. \n\nThe 168-pin DIMMs have 2-notches in the pin edge, one near the middle, another off to one side half inch from the edge. The 184-pin DIMMs have one notch in the middle, to make sure they don't fit into 168 pin sockets. \n\nAs for which is compatible with your PC... you tell by looking at the sockets, which determines what types of memory go into them. \n\nPerhaps you need to look at some pictures at wikipedia, which should give you a clue to compare against existing ones.
230928
Check your computer specs as to maximum memory supported to determine how big a memory stick you can use. DDR memory works best in like pairs ie 2 x 128, 2 x 256 and so on. While you can mix and match or only use one stick you do so at the loss of peak performance.
806341
Nothing really. They have the exact same capacity. DDR2 has higher clock speeds, for a price, of course. But if you compare let's say DDR PC 2700 to DDR2 PC 2700 there is absolutely no performance difference. Also, DDR and DDR2 are not compatible with one another.\n\nI just wanted to edit my answer to address the idiot below me; The "Geek Squad Agent" I hate people like you that type out verbatim answers from your latest PC World magazine. Why not use actual experience, and give real answers. Anyone can just look crap up in a book. They come here for REAL answers from REAL People.
779310
they are 2 different Ram formats ... SD Ram is older and is identified by 2 notches along the contact edge where DDR Ram only has 1 notch approx in the middle ... You CAN NOT place SD Ram into a DDR Ram DIMM or vice-versa
671363
Single-rank memory modules are built using x4 DRAM chips and are more expensive than dual-rank memory modules which are built using x8 DRAM chips. Dual-rank memory modules may limit upgradeability and capacity of servers.\nSingle-sided modules are always single-rank. Double-sided unbuffered DIMMs and SODIMMs are always dual-rank. Registered (ECC DIMMs) RAM vary from a single-rank to up to four ranks.\n\nFor further reference use the below information\n\n- Single-sided: with all the memory chips on both sides representing a single 64-bit wide + 8Bit ECC area\n- Dual-rank: one rank per side\n- Quad-rank: two ranks per side for a total of 4 ranks
128886
Yes, these two memories have nothing to do with each other.  The DDR2 memory is controled by the motherboard and used by the OS. The memory on your vid card is controlled by the card.
1032523
First, download a program called "Belarc Advisor".  It will analyze your computer quickly and give you a report of all the hardware and software installed, and it's free.  In the report, there will be a section called "Memory Modules" that describes your existing memory.  It will also tell you what kind of motherboard you have.  \n\nNext, go to the website mwave.com.  You can find the memory you need there at a great price, and if you still don't know what you need, just call them up and give them the information from Belarc Advisor and they'll help you out.  I've had excellent service consistently from this company since about 1998.\n\nWhen your memory arrives, turn your computer off and look for a slot that has the same size and shape of circuit board as your new memory.  Install your new memory next to it.  Make sure the tabs click fully into place so you'll know it's seated all the way.\n\nThat's it!\n\nDO NOT buy your memory from a retail store like Best Buy or Staples.  They will charge you well over double what you'll pay almost anywhere online.  Also, don't pay anybody more than $45 to install it, it's a super simple task and no tech has any business charging more than the minimum hourly rate for it.
27324
It all dependes on the type of ram you're looking for,\ngo to this link http://www.crucial.com/ , use the memory advisor tool, it will tell you exactly what type of memory you would need for your system. Once you have that information just go online (www.newegg.com my favorite) and order the ram you need.
896771
go to www.crucial.com\nthere you will be able to find out your memory type\nmost probably a small software will be downloaded\nthe execution of that small software could result in telling you the type of RAM your system can accept\nok
729928
1st do you know the type of RAM you need for your system?? DDR. SD and its speed? 2nd do you if you have an empty slot on your motherboard? if you have the right RAM and an empty slot,unscrew the ram cover and install the DIMM>
1127173
SO-DIMM is for a laptop DIMM is for desktop
121775
Sounds like a couple of old 72-pin SIMMs...unless someone has a 5 year old (or older) PC they need to keep running, that memory isn't worth anything.  Personally, I glued magnetic strips to some of my old memory & use them to hold documents on my white-board at work.   :o)\n\nLooks like maybe you'd get a buck or 2 on eBay...  (see link)
957829
You might be better off going to Crucial.com or one of the other good memory sites and letting them test your machine.  They can tell you exactly which configuration will and won't work on your motherboard.  It's possible to save a lot of money by getting an expert's advice on that.
715137
go to http://www.crucial.com and download their tool for seeing what kind of RAM you have and what is their recommendation
650413
you can put two 512mb ddr-266 dimms for a total of 1 gb pc2100 memory
239713
You have this listed under laptop, notebooks...\n\nAll you have to do is install more RAM... I assume this is what you are looking to do.  Go to Crucial Technologies... I wouldn't buy from there though, just use the system scan, they will tell you what you already have, and what is available to add.  Then either go to Tiger Direct or Comp USA.. and get some.  I just slapped some pny in mine, and it's working so much better!  Make sure you let them know it's for a laptop or notebook as well, as they are differant
277733
Yes, as it has been stated before, Dual Channel is a motherboard technology.  In a nutshell it means that the memory is accessed in parallel.  So if you have two DIMMs on a dual channel motherboard, they are accessed both at the same time, speeding up memory access.  But the RAM can be used in a non Dual Channel MoBo, it just isn't accessed in parallel and is thus slower.