![Amazon.com: A-Tech 8GB (2 x 4GB) RAM for HP Pavilion DV4-1120US | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Kit : Electronics Amazon.com: A-Tech 8GB (2 x 4GB) RAM for HP Pavilion DV4-1120US | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Kit : Electronics](https://m.media-amazon.com/images/I/71YI70wGoBL.jpg)
Amazon.com: A-Tech 8GB (2 x 4GB) RAM for HP Pavilion DV4-1120US | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Kit : Electronics
![Amazon.com: A-Tech 2GB RAM for HP Pavilion DV4-1000EA | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Module : Electronics Amazon.com: A-Tech 2GB RAM for HP Pavilion DV4-1000EA | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Module : Electronics](https://m.media-amazon.com/images/I/81N4R75R6mL.jpg)
Amazon.com: A-Tech 2GB RAM for HP Pavilion DV4-1000EA | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Module : Electronics
![CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Dv4-1220Tx, Dv4-1220Us, Dv4-1221Tx - A42 at Amazon.com CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Dv4-1220Tx, Dv4-1220Us, Dv4-1221Tx - A42 at Amazon.com](https://m.media-amazon.com/images/I/61EHK0f0d5L._AC_UF894,1000_QL80_.jpg)
CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Dv4-1220Tx, Dv4-1220Us, Dv4-1221Tx - A42 at Amazon.com
![8GB 2X4GB Memory RAM for HP Pavilion Notebooks dv4-1220us 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Newegg.com 8GB 2X4GB Memory RAM for HP Pavilion Notebooks dv4-1220us 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Newegg.com](https://c1.neweggimages.com/ProductImage/V190_1_20180725894800384.jpg)
8GB 2X4GB Memory RAM for HP Pavilion Notebooks dv4-1220us 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Newegg.com
![CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Notebook Dv4-1540Us, Dv4-1530Br - A35 CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Notebook Dv4-1540Us, Dv4-1530Br - A35](https://m.media-amazon.com/images/I/61LAcHTo7nL._AC_UF894,1000_QL80_.jpg)
CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Notebook Dv4-1540Us, Dv4-1530Br - A35
![590350 001 FOR HP PAVILION DV4 2000 DV4 2025LA DV4 2153CL DV4 2154CA NOTEBOOK NAL70 LA 4106P Laptop Motherboard HM55 Mainboard|motherboard for hp |laptop motherboardhm55 motherboard - AliExpress 590350 001 FOR HP PAVILION DV4 2000 DV4 2025LA DV4 2153CL DV4 2154CA NOTEBOOK NAL70 LA 4106P Laptop Motherboard HM55 Mainboard|motherboard for hp |laptop motherboardhm55 motherboard - AliExpress](https://ae01.alicdn.com/kf/H00248341f7d24b20b8e52fb50f13a6d2I.jpg)
590350 001 FOR HP PAVILION DV4 2000 DV4 2025LA DV4 2153CL DV4 2154CA NOTEBOOK NAL70 LA 4106P Laptop Motherboard HM55 Mainboard|motherboard for hp |laptop motherboardhm55 motherboard - AliExpress
![HP Laptop Pavilion Intel Core 2 Duo T5800 (2.00GHz) 4GB Memory 250GB HDD Intel GMA 4500MHD 14.1" Windows Vista Home Premium 64-bit dv4-1120us - Newegg.com HP Laptop Pavilion Intel Core 2 Duo T5800 (2.00GHz) 4GB Memory 250GB HDD Intel GMA 4500MHD 14.1" Windows Vista Home Premium 64-bit dv4-1120us - Newegg.com](https://c1.neweggimages.com/ProductImage/34-147-788-02.jpg)