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   NOTEBOOK MEMORY
 PC66 SODIMM
 PC100 SODIMM
 PC133 SODIMM
 PC2100 SODIMM
 PC2700 SODIMM
 PC3200 SODIMM
 PC2-3200 SODIMM
 PC2-4300 SODIMM
 PC2-5300 SODIMM
   DESKTOP MEMORY
 72pin SIMM
 PC66 SDRAM
 PC100 SDRAM
 PC133 SDRAM
 DDR266 (PC2100)
 DDR333 (PC2700)
 DDR400 (PC3200)
 DDR2-400 (PC3200)
 DDR2-533 (PC4300)
 DDR2-667 (PC5300)
 DDR2-800 (PC6400)
 RAMBUS/RDRAM-PC800
All Memory Upgrades come with a
  • Lifetime warranty
  • Guarantee of Compatibility
  • Free technical support


    • Upgrade Information for IBM  Model: ThinkPad  Series Thinkpad R31 Series (Type 2657)

    Maximum Memory:
    1GB
    Memory Slots:
    2
    Standard Memory:
    128MB or 256MB (removable)

     Description Price Order
     128MB PC133 SODIMM
     MW Part#:I4652
     OEM Part#:19K4652    		  $65.00   
     256MB PC133 SODIMM
     MW Part#:I4654
     OEM Part#:19K4654    		  $84.00   
     512MB PC133 SODIMM
     MW Part#:I4656
     OEM Part#:19K4656    		  $159.00   
     64MB PC133 SODIMM
    		  $55.00   
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