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Crucial 4GB DDR3 SDRAM Memory Module 1 of 1

Learn more about Crucial 4GB 240-pin DIMM DDR3 PC3-10600 Desktop Memory Module:

Mfg Part#: CT51272BB1339
Sku: 210796479
UPC: 649528743312
UPC 14: 00649528743312
See more in Computer Memory
Crucial 240-pin DIMMs are used in DDR3 memory for desktop computers. DDR3 is the latest generation of memory with an improved architecture that allows it to transmit data more quickly.

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.

Each 240-pin DIMM provides a 64-bit data path (72-bit for ECC or registered or Fully Buffered modules). (The Ballistix™ and Ballistix Tracer™ high-performance memory do not come in 72-bit or registered modules.) Standard DDR3 240-pin DIMMs are currently available in DDR3 PC3-8500 SDRAM. Additional speeds will be added as the technology becomes available.

To use DDR3 memory, your system motherboard must have 240-pin DIMM slots and a DDR3-enabled chipset. This is because a DDR3 SDRAM DIMM will not fit into a standard DDR2 DIMM socket or a DDR DIMM socket.

The number of black components on a 240-pin DIMM can vary, but it always has 120 pins on the front and 120 pins on the back, for a total of 240. 240-pin DIMMs are approximately 5.25 inches long and 1.18 inches high, though the heights can vary. While 240-pin DDR3 DIMMS, 240-pin DDR2 DIMMs, 184-pin DDR DIMMs, and 168-pin DIMMs are approximately the same size, 240-pin DIMMs and 184-pin DIMMs have only one notch within the row of pins.


Tech Features Manufacturer Crucial Technology
Tech Features Manufacturer Website Address
Tech Features Product Type RAM Module
Tech Features Product Name 4GB DDR3 SDRAM Memory Module
Tech Features Manufacturer Part Number CT51272BB1339
Tech Features Form Factor 240-pin DIMM
Tech Features Dimensions 1.18" Width x 5.25"
Tech Features Memory Size 4 GB
Tech Features Memory Technology DDR3 SDRAM
Tech Features Memory Speed 1333 MHz
Tech Features Standard Warranty Lifetime Limited

Tech Specs

Tech Specs 4GB
Tech Specs 240-pin DIMM
Tech Specs DDR3 PC3-10600
Tech Specs CL=9
Tech Specs Dual Ranked
Tech Specs Registered
Tech Specs ECC
Tech Specs DDR3-1333
Tech Specs 1.5V
Tech Specs 512Meg x 72
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