DRAM Types


 DRAM

Symbol

Type

Pins

Voltages

FSB-Range

SDRAM

168

3.3v

100MHz – 133MHz

DDR1

184

2.5v

266MHz – 400MHz

DDR2

240

1.8v

533MHz – 800MHz

DDR3

240

1.5v

1066MHz – 1866MHz

DDR4

288

1.2v

More than 1866MHz – 2133MHz

-

DDR5

380

1.1v

-

 



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