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Crucial Technology

Crucial Technology 4GB 240-pin DIMM, DDR2 PC2-5300 Memory Module

SKU: CT51264AA667 MFR: CT51264AA667
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$122.21
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About this item

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. 240-pin DIMMs are used to provide DDR2 SDRAM memory for desktop computers. DDR2 is a leading-edge generation of memory with an improved architecture that allows it to transmit data very fast.

Each 240-pin DIMM provides a 64-bit data path. To use DDR2 memory, your system motherboard must have 240-pin DIMM slots and a DDR2-enabled chipset. A DDR2 SDRAM DIMM will not fit into a standard SDRAM 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 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. The notch in a 240-pin DDR2 DIMM is closer toward the center of the module.

Key Features

  • 240-pin DIMMs are used to provide DDR2 SDRAM memory for desktop computers
  • To use DDR2 memory, your system motherboard must have 240-pin DIMM slots and a DDR2-enabled chipset
  • Single Module

Technical Specs

Configuration 512Meg x 64
DDR Timings CL=5
DIMM Type Unbuffered
Density 4GB
Error Checking NON-ECC
Megabytes 4096
Memory Type DDR2 PC2-5300
Replenishment Flag Yes
Speed DDR2-667
Voltage 1.8V
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