![Best Buy: CMS 4GB (2x2GB) Memory RAM Compatible with Dell Latitude E6400, E6400 ATG, E6400 XFR CM256646400SO0204 Best Buy: CMS 4GB (2x2GB) Memory RAM Compatible with Dell Latitude E6400, E6400 ATG, E6400 XFR CM256646400SO0204](https://pisces.bbystatic.com/image2/BestBuy_US/images/mp/products/6192/6192558_sa.jpg)
Best Buy: CMS 4GB (2x2GB) Memory RAM Compatible with Dell Latitude E6400, E6400 ATG, E6400 XFR CM256646400SO0204
![OFFTEK 2GB Replacement Memory RAM Upgrade for Dell Latitude E6400 (DDR2-6400) Laptop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for Dell Latitude E6400 (DDR2-6400) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/61Qn0mekZXL.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell Latitude E6400 (DDR2-6400) Laptop Memory at Amazon.com
![2GB (1X2GB) Memory Ram Compatible With Dell Latitude E6400 Xfr By CMS A40 - Computer Memory Solutions 2GB (1X2GB) Memory Ram Compatible With Dell Latitude E6400 Xfr By CMS A40 - Computer Memory Solutions](https://www.computermemorysolutions.com/wp-content/uploads/2019/06/DDR2-200PINSODIMMX1Front316459-913.jpg)
2GB (1X2GB) Memory Ram Compatible With Dell Latitude E6400 Xfr By CMS A40 - Computer Memory Solutions
![8GB 2X4GB Memory RAM for Dell Latitude E6400 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com 8GB 2X4GB Memory RAM for Dell Latitude E6400 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com](https://i5.walmartimages.com/asr/edf35504-e8c7-427b-81e2-25f2463df661_1.b721d63fb9df41b06ba24ba204c7911e.jpeg)
8GB 2X4GB Memory RAM for Dell Latitude E6400 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com
![Dell Latitude E6400 14.1" Skinned Laptop, Core 2 Duo 2.40GHz, 4GB Ram,160GB : Electronics - Amazon.com Dell Latitude E6400 14.1" Skinned Laptop, Core 2 Duo 2.40GHz, 4GB Ram,160GB : Electronics - Amazon.com](https://m.media-amazon.com/images/I/61EopCADgPL._AC_UF894,1000_QL80_.jpg)
Dell Latitude E6400 14.1" Skinned Laptop, Core 2 Duo 2.40GHz, 4GB Ram,160GB : Electronics - Amazon.com
![Refurbished: DELL Laptop Latitude Intel Core 2 Duo 2.53GHz 4GB Memory 120GB HDD 14.1" Windows 7 Professional 64-Bit E6400 - Newegg.com Refurbished: DELL Laptop Latitude Intel Core 2 Duo 2.53GHz 4GB Memory 120GB HDD 14.1" Windows 7 Professional 64-Bit E6400 - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll300/34-300-916-02.jpg)
Refurbished: DELL Laptop Latitude Intel Core 2 Duo 2.53GHz 4GB Memory 120GB HDD 14.1" Windows 7 Professional 64-Bit E6400 - Newegg.com
![Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android) Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)](https://www.pntbrother.com/wp-content/uploads/2015/10/dell_e6400_hdd_ram_upgrade_replacement7.jpg)
Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
![CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6400, E6400 Atg, E6400 Xfr - A42 at Amazon.com CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6400, E6400 Atg, E6400 Xfr - A42 at Amazon.com](https://m.media-amazon.com/images/I/419wjZkU5PL._AC_SY580_.jpg)
CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6400, E6400 Atg, E6400 Xfr - A42 at Amazon.com
![Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android) Dell E6400 hard drive & RAM upgrade (replacement) – October 15, 2015 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)](https://www.pntbrother.com/wp-content/uploads/2015/10/dell_e6400_hdd_ram_upgrade_replacement2.jpg)