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The best memory upgrades for your Toshiba Qosmio X300-123 Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Toshiba Qosmio X300-123 Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Toshiba Qosmio X300-123 supports up to 8192 MB in two slots and modules must be installed one at a time.

Install in matched pairs to utilize Dual Channel mode. Installing more than 4GB of memory will require a 64-bit Operating System. 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   SoDIMM
4GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500  PA3677U-1M4G 2999498 PA3677U-1M4G 4GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500 4GB1 £37.86 £45.43 Buy
2GB 204-pin DDR3 SoDIMM PC3-10600 1333MHz  PA3676U-1M2G 2999499 PA3676U-1M2G 2GB 204-pin DDR3 SoDIMM PC3-10600 1333MHz 2GB1 £19.29 £23.15 Buy
1GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500  PA3675U-1M1G 2999500 PA3675U-1M1G 1GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500 1GB1 £12.43 £14.92 Buy

More information about this machine

Detailed machine info

Install in matched pairs to utilize Dual Channel mode. Installing more than 4GB of memory will require a 64-bit Operating System.

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory8192

Original Memory Configuration

more about your Toshiba Qosmio X300-123 machine
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