A dual inline memory module (DIMM) consists of a number of memory components (usually black) that are attached to a printed circuit board (usually green). The gold pins on the bottom of the DIMM provide a connection between the module and a socket on a larger printed circuit board. The pins on the front and back of a DIMM are not connected to each other.
184-pin DIMMs are used to provide DDR SDRAM memory for desktop computers. Standard 184-pin DIMMs are available in PC1600 DDR SDRAM, PC2100 DDR SDRAM, PC2700 DDR SDRAM, and PC3200 DDR SDRAM.
To use DDR memory, your system motherboard must have 184-pin DIMM slots and a DDR-enabled chipset. A DDR SDRAM DIMM will not fit into a standard SDRAM DIMM socket. (Information about which memory technology your system uses is included in the Crucial Memory Advisor™ tool.)
The number of black components on a 184-pin DIMM can vary, but it always has 92 pins on the front and 92 pins on the back, for a total of 184. 184-pin DIMMs are approximately 5.25 inches long and 1.25 inches high, though the heights can vary. While 184-pin DIMMs and 168-pin DIMMs are approximately the same size, 184-pin DIMMs have only one notch within the row of pins.
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Q:Can you advise if these modules are high or low density?
A:That module is low density (16 chips).
I forgot to click "Emal me when someone replies." and want to see when someone replies.
Hey I've just bought an old toughbook and want to upgrade the ram. I couldn't find it in the list of models and the system scanner didn't work. What the manual says is that it will take 200 pins, SO-DIMM, 1.8 V, DDR2 SDRAM, PC2-4200. Aside from memory size, will the DDR2 800 Mhz work in the laptop? From what I understand it should be backwards compatible with lower speeds. Please let me know.
Well I can see this will get me no where..
The memory I need has been out of stock for a really long time. Is there anything else that will work? Is there any way to cross reference Crucial kit part numbers (often available online at newegg.com or amazon.com) to be sure they are compatible before purchasing?
Hi, I have purchased 2 Dell inspiron 3847 PC's each came with 4GB memory, (1 x 4GB card) with a capacity to hold upto 16GB. My plan is to buy 16GB DDR3 (2 x 8GB) and put one 8 GB card into each computer, alongside the current 4GB card. Is this do-able? Thanks, Ann