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240pin Unbuffered DDR3 DIMM

240-pin DDR2 Unbuffered DIMMs are used to provide DDR3 SDRAM memory for the next generation of new servers and motherboards that use DDR3 technology. DDR3 is a leading-edge generation of memory with an improved architecture that allows it to transmit data very fast. .Each 240-pin DDR3 DIMM provides a 64-bit data path (72-bit for ECC or registered modules).

3 SDRAM will be packaged in a DIMM modules form factor.

DIMM Module	Chip Type	Clock Speed	Data Rate	Transfer Rate
PC3-6400	DDR3-800	400	800	6,400
PC3-8500	DDR3-1066	533	1066	8,530
PC3-10667	DDR3-1333	667	1333	10,660
PC3-12800	DDR3-1600	800	1600	12,800
PC3-14900	DDR3-1866	933	1866	14,930

DDR3 240-pin Unbuffered DIMMs are available in DDR3 PC3-6400 SDRAM and DDR3 PC3-7000 SDRAM. .

To use DDR3 Unbuffered DIMMs, a DDR3 server or motherboard must use DDR3 architecture. A DDR3 DIMM will not fit into a standard DDR2 , DDR2 FBDIMM and DDR socket.

The number of black components on a DDR3 240-pin DIMM varies and similar to DDR2 DIMM, 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.

The notch in a 240-pin DDR3 DIMM is in a different location than the notch for regular 240-pin DDR2 & FBDIMM modules.