IBM-Lenovo ThinkPad G555 Compatible RAM Memory Upgrades

We guarantee that our RAM memory upgrades are 100% compatible for your IBM-Lenovo ThinkPad G555
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IBM-Lenovo ThinkPad G555 For Illustration Purposes Only

Help Me Choose

Your system memory specification is listed below, most importantly your maximum memory capacity:

  • Maximum Memory Capacity: 4GB
  • Default Installed Memory: 1GB (Removable)
  • Number of Slots: 2 Slots (2 Banks of 1)

You should also determine how much memory you already have installed and in what configuration. These useful links should explain how to do this:

Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules.

Price Promise We monitor the prices of our competitors twice daily, giving you the peace of mind that our prices are the lowest online.

Find Out More

1GB Module

1GB Module For Illustration Purposes Only
  • Product Code:FT128MSQ64V8J
  • Manufacturer Code:N/A
  • Brand: Samsung, Hynix, Micron More Info
  • Warranty: Limited Lifetime Warranty More Info
  • Specification:200 Pin 1.8v DDR2 PC2-6400 SoDimm
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£11.76 inc. VAT

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60-Day Returns Policy

Not 100% happy with your order then return it to us under our No Quibble 60 Day Money Back Guarantee. 

Our 60-Day return policy gives you plenty of time to consider your purchase. You can return any item in its original condition within 60 days of the date of shipment for a refund or exchange. We will also provide you a Freepost label to return the memory which ensures that there is no cost to our customers.

Lifetime Warranty

Feel confident that your memory will last a lifetime. Our lifetime warranty guarantees that if your memory should ever fail we will replace or repair the product free of charge. Please note that the lifetime warranty refers only to memory modules and not flash memory or storage products. Please see the individual 'product details' for warranties specific to each product. For complete warranty details please see our Terms and Conditions 

Premium Brand Chips

Not all memory is the same. Our memory is manufactured using premium brand chips from manufacturers including Samsung, Elpida (NEC), Hynix (Hyundai), Micron and Hypertec. This ensures the highest level of reliability and compatability. You may be able to buy cheaper memory but you will not be able to buy the same quality of memory cheaper. 

Memory Installation Guides

Memory is one of the simplest upgrades that you can perform on your computer. To make it even easier our support team have created both installation videos and a written guide for you to follow. 

Should you have any issues with your installation please see our FAQ page or contact our support team via live chat or at 

Installation Guide Installation Guide

Laptop Memory Installation Video

4994 Customers have written a Trustpilot review

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lightening fast

I would recommend offtek to anyone with a computer similar to my own. it arrived incredibly fast and worked perfectly in my laptop. 50 out of 10. i will definitely be using them again to get any computer parts in the future

By Niall Lewis. On 20. Nov
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Excellent service

Ordered late Tuesday afternoon, arrived next morning......

By Margaret Marlborough. On 20. Nov
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Great price , Quick Delivery

Goods at a great price and delivered next day , great service

By Derrick Leach. On 20. Nov
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