![Toshiba Portege M400-3G143 Tablet PC (Intel Core 2 Duo T5500 1.66GHz, 512MB RAM, 60GB HDD, 12.1" TFT, Windows XP Tablet PC Edition 2005) : Amazon.co.uk: Computers & Accessories Toshiba Portege M400-3G143 Tablet PC (Intel Core 2 Duo T5500 1.66GHz, 512MB RAM, 60GB HDD, 12.1" TFT, Windows XP Tablet PC Edition 2005) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/410iQ1lcpSL._AC_UF894,1000_QL80_.jpg)
Toshiba Portege M400-3G143 Tablet PC (Intel Core 2 Duo T5500 1.66GHz, 512MB RAM, 60GB HDD, 12.1" TFT, Windows XP Tablet PC Edition 2005) : Amazon.co.uk: Computers & Accessories
![A-Tech 2GB Stick for Toshiba Portege M400-3G145 M400-EZ5031 M400-PS5032 M400-S4031 M400-S4032 M400-S4034 M400-S5032 M400-S5032X M400-S933. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory at Amazon.com A-Tech 2GB Stick for Toshiba Portege M400-3G145 M400-EZ5031 M400-PS5032 M400-S4031 M400-S4032 M400-S4034 M400-S5032 M400-S5032X M400-S933. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory at Amazon.com](https://m.media-amazon.com/images/I/61Xxxe4O-oL._AC_UF894,1000_QL80_.jpg)
A-Tech 2GB Stick for Toshiba Portege M400-3G145 M400-EZ5031 M400-PS5032 M400-S4031 M400-S4032 M400-S4034 M400-S5032 M400-S5032X M400-S933. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory at Amazon.com
![OFFTEK 2GB Replacement Memory RAM Upgrade for Toshiba Portege M400-TD1 (DDR2-6400) Laptop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for Toshiba Portege M400-TD1 (DDR2-6400) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL._AC_UF894,1000_QL80_.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for Toshiba Portege M400-TD1 (DDR2-6400) Laptop Memory at Amazon.com
![1GB Black Diamond Memory Module for Toshiba Portege M400 X10 DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com 1GB Black Diamond Memory Module for Toshiba Portege M400 X10 DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com](https://c1.neweggimages.com/productimage/nb640/ABYY_1_2018060213521067.jpg)
1GB Black Diamond Memory Module for Toshiba Portege M400 X10 DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com
![2GB DDR2 RAM Memory Upgrade for Toshiba Portege M400 M500 M700 M750 M800 M805 M900 Series Laptop (PARTS-QUICK) - Walmart.com 2GB DDR2 RAM Memory Upgrade for Toshiba Portege M400 M500 M700 M750 M800 M805 M900 Series Laptop (PARTS-QUICK) - Walmart.com](https://i5.walmartimages.com/asr/30203d0e-7271-4193-9a1a-85180946c2f1_1.b8f4d7fa115915d08b08cbc0574a1a37.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
2GB DDR2 RAM Memory Upgrade for Toshiba Portege M400 M500 M700 M750 M800 M805 M900 Series Laptop (PARTS-QUICK) - Walmart.com
![1GB DDR2 for Toshiba Portege M400 Series PC2-5300 667MHz 200 pin SO-DIMM Laptop Notebook Memory RAM (PARTS QUICK Brand) at Amazon.com 1GB DDR2 for Toshiba Portege M400 Series PC2-5300 667MHz 200 pin SO-DIMM Laptop Notebook Memory RAM (PARTS QUICK Brand) at Amazon.com](https://m.media-amazon.com/images/I/61QOpoEvPiL._AC_UF894,1000_QL80_.jpg)
1GB DDR2 for Toshiba Portege M400 Series PC2-5300 667MHz 200 pin SO-DIMM Laptop Notebook Memory RAM (PARTS QUICK Brand) at Amazon.com
![4GB (2GBx2) Team High Performance Memory RAM Upgrade For Toshiba Portege M400-S933 M400-ST4001 M 400-ST4035 M400-ST9113 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com 4GB (2GBx2) Team High Performance Memory RAM Upgrade For Toshiba Portege M400-S933 M400-ST4001 M 400-ST4035 M400-ST9113 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com](https://m.media-amazon.com/images/I/51AWFzRSHCL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)