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The best memory upgrades for your Toshiba Satellite M Series M55-S321 Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Toshiba Satellite M Series M55-S321 Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Toshiba Satellite M Series M55-S321 supports up to 2048 MB in two slots and modules must be installed one at a time.

 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   SoDIMM
1GB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P PA3313S-1M1G 2685641 PA3313S-1M1G 1GB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 1GB1 £48.40 £58.08 Buy
512MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P PA3312U-1M51 2685642 PA3312U-1M51 512MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 512MB1 £17.04 £20.45 Buy
256MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P PA3311U-1M25 2685643 PA3311U-1M25 256MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 256MB1 £10.43 £12.52 Buy

More information about this machine

Detailed machine info

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory2048

Original Memory Configuration

more about your Toshiba Satellite M Series M55-S321 machine
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