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Crucial CT25664AA667 PC2-5300 2GB DDR2-667 CL5 Udimm 240PIN Single Memory Module

Crucial CT25664AA667 PC2-5300 2GB DDR2-667 CL5 Udimm 240PIN Single Memory Module - 1
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Crucial CT25664AA667 PC2-5300 2GB DDR2-667 CL5 Udimm 240PIN Single Memory Module - 78592_l.jpg Customer Photos (0)

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   Shipping Weight:   1 lbs
   Part #: CT25664AA667
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Features    [ Edit | History ]

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 (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 DDR2 240-pin DIMMs are available in DDR2 PC2-3200 SDRAM, DDR2 PC2-4200 SDRAM, DDR2 PC2-5300 SDRAM, and PC2-6400 SDRAM.

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.

Ballistix and Ballistix Tracer 240-pin DIMMs

Our high-performance Ballistix 240-pin DIMMs come in DDR2 PC2-5300 SDRAM, DDR2 PC2-6400 SDRAM, and DDR2 PC2-8000 SDRAM. The Ballistix Tracer illuminated, activity-indicating high-performance 240-pin DIMM comes in SDRAM, DDR2 PC2-6400 SDRAM, and DDR2 PC2-8000 SDRAM

Ballistix 240-pin DIMM

Approximately 5.25 in. by 1.18 in. (133.35 mm by 30 mm)

Ballistix Tracer 240-pin DIMM

Approximately 5.25 in. by 1.18 in. (133.35 mm by 30 mm)

Quick Specs:


Error Checking Non-ECC
Number of Pins 240-pin
Signal Processing Unbuffered
Limited Warranty Lifetime
Length 5.3"
Memory Speed 667 MHz
Memory Size 2 GB
Memory Technology DDR2 SDRAM
Memory Standard DDR2-667/PC2-5300
Width 1.2"

Specifications    [ Edit | History ]
General Information  
     Brand Name: Crucial
     Manufacturer: Crucial
     Manufacturer Part Number: CT25664AA667
     Manufacturer Website Address:
     Product Name: 2GB DDR2 SDRAM Memory Module
     Product Type: RAM Module


Physical Characteristics  
     Length: 5.3" (133.4 mm)
     Number of Pins: 240-pin
     Width: 1.2" (30 mm)
Technical Information  
     Error Checking: Non-ECC
     Memory Size: 2 GB
     Memory Speed: 667 MHz
     Memory Standard: DDR2-667/PC2-5300
     Memory Technology: DDR2 SDRAM
     Signal Processing: Unbuffered
     Limited Warranty: Lifetime

CRUCIAL TECHNOLOGY CT25664AA667 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding CRUCIAL TECHNOLOGY CT25664AA667 reviews.
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First 30 days limited warranty through The remainder of the lifetime warranty is provided directly by the manufacturer.
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