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 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, and DDR2 PC2-5300 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.
- Part Number: CT6472AA667
- Module Size: 512MB
- Package: 240-pin DIMM
- Feature: DDR2 PC2-5300
- Configuration: 64Meg x 72
- DIMM Type: UNBUFFERED
- Error Checking: ECC
- Speed: DDR2-667
- Voltage: 1.8V
- Memory Timings: CL=5
- Specs: DDR2 PC2-5300 • CL=5 • UNBUFFERED • ECC •
DDR2-667 • 1.8V • 64Meg x 72
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