Dimm Desktop Memory
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![]() KINGSTON LONG DIMM 4GB 4G 1x 4GB DDR3 1333MHz Desktop PC Computer Memory RAM US $30.50
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![]() LOT of 19 HP Compaq 256MB DIMM PC3200 400MHZ DDR2 375238 051 Desktop Memory US $19.99
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Memory Modules Of Three Different Types
Memory modules can be defined as memory chips on a narrow circuit board. The memory chip contains dynamic random access memory integrated circuits. Originally memory was installed in the system through individual chips or the dual inline package (DIP) chips. It was laborious and time consuming job to deal with DIP chips. As the system experienced thermal changes on heating and cooling, the chips crept out of their sockets leading to a ‘chip creep' phenomena. This resulted in memory errors. Reseating the chips back into the sockets solved the problem of course, but it became labor intensive when a number of systems had to be supported.
A better alternative to prevent ‘chip creep' was to solder the memory into the motherboard/expansion card. With this the connections became more stable, but there was another problem. If the chip went bad, it had to be de-soldered and a new one had to be re-soldered or even it was required to scrap the motherboard/memory card where the chip was installed. This turned out very expensive and memory troubleshooting became a difficult task. A chip that was both soldered and removable was required and that lead to a memory module called SIMM or the Single inline memory module. In desktop systems most commonly used are two main types of SIMMS, three types of DIMMS, and one type of RIMM. On the motherboard or on the memory card's special connectors, these small boards get plugged into. They are, in-fact soldered into the module and removing/replacing is virtually impossible. If any part fails, the entire module has to be replaced.
SIMMs are available in 30 pin or 72 pin physical types. The 30 pin has 8 bits and an option for 1 additional parity bit. The 72 pin has 32 bits plus an option for 4 additional parity bit. Both these versions can have chips on one side or both sides except that 30 pin SIMMs are physically smaller than the 72-pin version.
DIMMs (Dual Inline memory modules) are available in three main versions-Standard DIMMs with 168 pins with one notch on each side and two notches along the contact area. DDR DIMMs with 184 pins and two notches on either side and one offset notch along the contact area. DDR2 DIMMS with 240 pins with two notches on either side and one notch in the center of contact area. The DIMMs are dual inline because they have different signal pins located on each side of the module. They have many more pins than a SIMM with just 1" of additional length.
RIMM (Rambus in line memory modules) have different signal pins on each side. They are available in three physical types-a 16/18 bit version having 184 pins, a 32/36 bit version with 232 pins and a 64/72 bit version with 326 pins. All these plug into the same sized connector, but notches in the connectors vary. In the standard 16/18 bit RIMM there is one notch on each side and two notched located centrally in contact area.
About the Author
The author is an expert writer in the field of the technology. Presently writing on various topics related to computer hardware and peripherals like computer RAM, USB drives, memory cards, memory modules and other computer products.
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Corsair 8GB DDR3 DIMM Desktop Memory $55.99 Give your desktop a performance boost with this Corsair 8GB DDR3 DIMM memory module that operates at 1333MHz and enhances efficiency in everyday computing tasks. |
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Memory Master 1GB PC2-5300 DIMM Desktop Memory $15.39 Enhance your desktop's performance with 1GB of memory to ensure efficient multitasking and a 240-pin configuration for an easy connection. |
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Corsair 2-Pack 8GB DDR3 DIMM Desktop Memory Kit $109.99 Enhance your desktop's performance with this Corsair 16GB DDR3 DIMM desktop memory kit that features two 8GB modules for enhanced efficiency in everyday computing tasks. |
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Crucial Technology 1GB PC3-10600 DDR3 DIMM Desktop Memory $9.99 Enhance the system performance of your desktop with this 1GB memory module that features a 240-pin DIMM configuration. |
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Memory Master 1GB PC3200 DIMM Desktop Memory $22.99 Give your desktop computer a boost with this memory that features a 1GB capacity for ample data storage and a 400MHz operating speed for fast computing. |
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Memory Master 1GB PC2-6400 DIMM Desktop Memory $15.39 Boost your desktop computer's functionality with this memory that features a 1GB capacity for ample data storage and an 800MHz operating speed for quick computing. |
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Memory Master 512MB PC-3200 DIMM Desktop Memory $14.89 This desktop memory features a 512MB capacity and up to 400MHz operating speed to ensure efficient operation. The 184-pin configuration allows a simple connection to your computer. |
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Corsair 2GB PC2-6400 DDR2 DIMM Desktop Memory $36.99 Enjoy fast computing and enhanced gaming with this 2GB of memory designed to take your desktop's performance to the next level. |
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ValueRAM 2GB PC3-10666 DDR3 DIMM Desktop Memory $16.99 Add this 2GB DDR3 memory module to your desktop for improved multitasking and smoother Web browsing. |
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VisionTek 4GB PC10600 DDR3 DIMM Desktop Memory $27.99 Enjoy high-performance computing with this desktop memory that features a total of 4GB for enhanced gaming and productivity. |
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ACP - Memory Upgrades 4GB DDR3-1333MHZ 240-Pin DIMM F/HP Desktop $56.99 0.71 oz 0.75" Thickness x 2.50" Width x 6.50" Length 1333 MHz 240-pin DIMM 4 GB 4GB DDR3-1333MHZ 240-Pin DIMM F/HP Desktop Add-On Computer Peripherals (ACP) has been the exclusive supplier to Ingram Micro's Memory Upgrades program since 1999. All ACP memory is built to JEDEC Standards, to meet or exceed the Tier 1 OEM's factory requirements. All our memory comes with a Lifetime warranty, and is 100% guaranteed compatible for the systems it is intended for. (Actual part shipped: AA1333D3N9/4G) . HP Business Desktop 6005 ACP - Memory Upgrades DDR3 SDRAM DDR3-1333/PC3-10600 DIMM Lifetime Limited RAM Module VH638AA-AA www.addoncomputer.com |
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Patriot Memory 4GB PC2-6400 DDR2 DIMM Desktop Memory $79.99 Enhance your desktop's performance with 4GB of memory with speeds up to 800MHz for exciting gaming and efficient multitasking. |
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Crucial Technology 2GB PC3-8500 DDR3 DIMM Desktop Memory $14.99 Learn more about Crucial memory products. Experience enhanced system memory with this memory module that features a 2GB capacity and a 204-pin DIMM configuration for desktops. |
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DDR2 Laptop Notebook SO-DIMM 200 Pin to Desktop DIMM 240 Pin PC Memory RAM Adapter Converter, Free Shipping, Brand New $7.98 Allows to use and test DDR2 Laptop SO-DIMM in DDR2 Desktop DIMM slot. |
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HP AU742AA#ABA 2GB DDR3 PC3-10600 1333MHz DIMM Desktop Memory $56.11 Super Talent desktop memory designed to comply with industry standards and built with quality components. HP desktop memory offers guaranteed compatibility, this memory is ideal for system integrators and for upgrades.Storage capacity: 2GBFeature: Not registeredMemory speed: 1333 MHz (PC3-10600)Form factor: DIMM 240-pinTechnology: DDR SDRAMModel: AU742AA#ABAIncluded items: Desktop memoryDimensions: 2.1 inches wide x 0.3 inches deep x 4.1 inches highWeight: 1 pound |
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ACP - Memory Upgrades 4GB DDR3-1333MHZ 240-Pin DIMM F/Dell Desktop $56.99 0.71 oz 0.75" Thickness x 2.50" Width x 6.50" Length 1333 MHz 240-pin DIMM 4 GB 4GB DDR3-1333MHZ 240-Pin DIMM F/Dell Desktop Add-On Computer Peripherals (ACP) has been the exclusive supplier to Ingram Micro's Memory Upgrades program since 1999. All ACP memory is built to JEDEC Standards, to meet or exceed the Tier 1 OEM's factory requirements. All our memory comes with a Lifetime warranty, and is 100% guaranteed compatible for the systems it is intended for. (Actual part shipped: AA1333D3N9/4G). A3414608-AA ACP - Memory Upgrades DDR3 SDRAM DIMM Lifetime Limited RAM Module www.addoncomputer.com |
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Memory Master 2-Pack 1GB PC2-5300 DIMM Desktop Memory Kit $26.89 Enhance your system's multitasking capability with this desktop memory kit that features up to 667MHz operating speed and a 240-pin configuration for simple connection to your computer. |
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Kingston Technology HyperX 2-Pack 4GB DDR3 DIMM Desktop Memory Kit $54.99 Enhance your desktop's multitasking capabilities with this Kingston Technology HyperX desktop memory kit that includes two 4GB DDR3 modules with up to a 1600MHz operating speed. |
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Corsair Dominator 4-Pack 8GB 16GHz DDR3 DIMM Desktop Memory Kit $289.99 Enhance your gaming experience with this Corsair Dominator desktop memory kit that features 32GB of total memory for improved performance and DHX+ cooling technology for stable operation. |
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Crucial Technology 2-Pack 2GB DDR2 PC2-6400 DIMM Desktop Memory Kit $57.99 Increase the system performance of your desktop computer with this 2-pack memory kit that features two 2GB DDR2 memory modules for a total of 4GB. |
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Corsair 2-Pack 1GB PC3200 DDR DIMM Desktop Memory Kit $52.99 Improve your desktop computer's performance with this memory kit that features two 1GB modules for 2GB of total memory and up to 400MHz processing speed for efficient multitasking. |
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Crucial Technology 2GB PC3-10600 DDR3 SDRAM DIMM Desktop Memory $14.99 This memory module features a 2GB capacity for improved desktop system performance and operates at 1333MHz for multitasking power. |
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PNY Optima 4GB PC3-10666 DDR3 DIMM Desktop Memory $54.99 Enhance your desktop's performance with this PNY Optima 4GB memory that features a 1333MHz operating speed for easy multitasking capability. |
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Corsair XMS3 4GB DDR3 DIMM Desktop Memory $34.99 This 4GB memory module features a 1600MHz operating speed for simple multitasking, Web browsing and gaming and a heat spreader to keep your memory cool. |
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Corsair Vengeance 4GB DDR3 DIMM Desktop Memory $34.99 This 4GB memory module features up to 1600MHz operating speed for efficient multitasking and a Vengeance Blue heat spreader to help keep your memory cool. |
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Crucial Technology 2-Pack 2GB PC2-5300 DDR2 DIMM Desktop Memory Kit $57.99 Learn more about Crucial memory products. This 2-pack memory module kit features 4GB total memory with a 667MHz operating speed for improving the performance of your desktop. |
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AX - memory - 1 GB - DIMM 184-pin - DDR $44.99 Axiom AX - Memory - 1 GB - DIMM 184-pin - DDR - 400 MHz / PC3200 - unbuffered - non-ECC - for HP Compaq Business Desktop dc7100 dx5150 |
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memory - 4 GB - DIMM 240-pin - DDR3 $33.99 Axiom - Memory - 4 GB - DIMM 240-pin - DDR3 - 1066 MHz / PC3-8500 - CL7 - unbuffered - non-ECC - for Intel Desktop Board DX58SO Extreme Series |
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memory - 1 GB - DIMM 240-pin - DDR2 $41.99 Kingston - Memory - 1 GB - DIMM 240-pin - DDR2 - 800 MHz / PC2-6400 - unbuffered - non-ECC - for HP Compaq Business Desktop dc7700 (CMT SFF ultra-slim desktop) dx7300 |
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memory - 512 MB - DIMM 240-pin - DDR2 $23.99 Kingston - Memory - 512 MB - DIMM 240-pin - DDR2 - 800 MHz / PC2-6400 - unbuffered - non-ECC - for HP Compaq Business Desktop dc7700 (CMT SFF ultra-slim desktop) dx7300 |
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Compaq Business Desktop dc7800 Ultra-slim Desktop 1GB Memory Upgrade $24.99 Compaq Business Desktop dc7800 Ultra-slim Desktop 1GB DDR2-800 (PC2-6400) SO-DIMM |
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Compaq Business Desktop dc7800 Ultra-slim Desktop 2GB Memory Upgrade $44.99 Compaq Business Desktop dc7800 Ultra-slim Desktop 2GB DDR2-800 (PC2-6400) SO-DIMM |
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Crucial Technology 2-Pack 1GB PC2-5300 DDR2 DIMM Desktop Memory Kit $31.99 Improve the system performance of your desktop computer with this 2-pack of 1GB memory modules that feature an operating speed of 667MHz for enhanced multitasking power. |
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Crucial Technology 1GB PC3200 DDR DIMM Desktop Memory $30.99 Learn more about Crucial memory products. Improve the system performance of your desktop with this 1GB memory module that provides multitasking power for your most demanding computing tasks. |
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Crucial Technology 2-Pack 1GB PC3200 DDR DIMM Desktop Memory Kit $60.99 Learn more about Crucial memory products. Improve the system performance of your desktop computer with this kit of two 1GB memory modules to enhance processing speeds for multitasking power. |


US $24.99




























































































