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(RAM Random Access Memory, , ) , . .
, DRAM, , FPM DRAM, EDO RAM, SDRAM . RAM .
DRAM (Dynamically RAM) , . , , . .
FPM DRAM (Fast Page Mode DRAM) . 486- . , -EDO. FPM DRAM SIMM (. ).
EDO RAM (Extended Data Output RAM) c , Pentium. -, ( ). FPM DRAM 10-15%. - SIMM. Pentium II, Celeron, Pentium III, Pentium 4, K7 Athlon K7 Duron.
SDRAM (Synchronous DRAM) , ( FPM EDO). , . SDRAM PC100 100 MHz, PC133, , 133 MHz. PC100 SDRAM 800 Mb/s, PC133 SDRAM 1.064 Gb/s. PC66 66 MHz. , PC166, , , (Tonicom Kingmax, , , PC166 SDRAM). PC166 . . SDRAM 64 bit DIMM (. ).
DDR SDRAM (Double Data Rate SDRAM) . SDRAM. SDRAM (. . , ). () DDR SDRAM: PC1600 ( 100 MHz), PC2100 ( 133 MHz), PC2400 ( 150 MHz) PC2700 ( 166 MHz). SDRAM PC66, PC100 PC133 (66 MHz, 100 MHz, 133 MHz), DDR SDRAM PC1600, PC2100, PC2400 PC2700 . , DDR SDRAM PC1600 1.6 Gb/s, PC2100 2.1 Gb/s, PC2400 2.4 Gb/s, PC2700, , 2.7 Gb/s.
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DRDRAM (Direct RAMBUS DRAM Direct RDRAM) Rambus . 800 MHz ( PC800) 16- ( , SDRAM DDR SDRAM). DRDRAM , . DRDRAM, , DDR SDRAM PC133 SDRAM . - RIMM (. ). RDRAM,
( , ): PC600 1.2 Gb/s ( PC133 SDRAM), 700 (1.4 Gb/s) PC800 1.6 Gb/s ( , DDR SDRAM PC1600). , , PC800 , 400 MHz, 800 MHz ( ). Pentium 4 i850 RDRAM, PC800 3.2 Gb/s. 2001 PC1066 DRDRAM 2.1 Gb/s ( PC800 1066 MHz). DRDRAM, , , DDR SDRAM. , , DRDRAM, DDR SDRAM, . . / DDR SDRAM, . DRDRAM , DDR SDRAM. DRDRAM (32- DRDRAM RIMM 16- , 64- 16- ). DRDRAM Samsung. , 2003 64- 8.5 Gb/s ( 1066 MHz) 9.6 Gb/s ( 1200 MHz). , DRDRAM, Rambus, DRDRAM .
- ( ): SIMM (Single In-line Memory Module ). , . SIMM- 30 72 . 72- SIMM, , 72 . .
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DIMM (Dual In-line Memory Module ). , SIMM, , . DIMM- SDRAM 168 (2 84 ). 168- DIMM 84 . . DDR SDRAM DIMM. 168 184. DIMM DDR SDRAM DIMM SDRAM ().
RIMM (Rambus In-line Memory Module) RDRAM. DIMM, , . . , , .
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