![2GB Memory for HP Business Desktop dc7900 Ultra Slim Desktop DDR2 PC2-6400 800MHz SODIMM RAM Upgrade (PARTS-QUICK BRAND) at Amazon.com 2GB Memory for HP Business Desktop dc7900 Ultra Slim Desktop DDR2 PC2-6400 800MHz SODIMM RAM Upgrade (PARTS-QUICK BRAND) at Amazon.com](https://m.media-amazon.com/images/I/51qmUSfwVrL._AC_UF894,1000_QL80_.jpg)
2GB Memory for HP Business Desktop dc7900 Ultra Slim Desktop DDR2 PC2-6400 800MHz SODIMM RAM Upgrade (PARTS-QUICK BRAND) at Amazon.com
![8GB KIT (2 x 4GB) for HP-Compaq Business Desktop Series dc7900 (Ultra Slim). SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com 8GB KIT (2 x 4GB) for HP-Compaq Business Desktop Series dc7900 (Ultra Slim). SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com](https://m.media-amazon.com/images/I/61KqMFyq8tL._AC_UF894,1000_QL80_.jpg)
8GB KIT (2 x 4GB) for HP-Compaq Business Desktop Series dc7900 (Ultra Slim). SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
![Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0 gHz 2 GB 160 GB DVD Windows 7 Home Premium factor de forma pequeño : Electrónica Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0 gHz 2 GB 160 GB DVD Windows 7 Home Premium factor de forma pequeño : Electrónica](https://m.media-amazon.com/images/I/31ePVZVCV3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0 gHz 2 GB 160 GB DVD Windows 7 Home Premium factor de forma pequeño : Electrónica
![Amazon.com: New 135W HSTNN-HA01 AC Adapter Laptop Charger Replacement for HP 391174-001 481420-002 592491-001 Compaq 8300 8200 8000 7800 7900 HP DC7800 DC7900 NC4400 NC6300 : Electronics Amazon.com: New 135W HSTNN-HA01 AC Adapter Laptop Charger Replacement for HP 391174-001 481420-002 592491-001 Compaq 8300 8200 8000 7800 7900 HP DC7800 DC7900 NC4400 NC6300 : Electronics](https://m.media-amazon.com/images/I/71hEcIQtGzL._AC_UF894,1000_QL80_.jpg)
Amazon.com: New 135W HSTNN-HA01 AC Adapter Laptop Charger Replacement for HP 391174-001 481420-002 592491-001 Compaq 8300 8200 8000 7800 7900 HP DC7800 DC7900 NC4400 NC6300 : Electronics
![Amazon.com: HP Business Desktop DC7900 DC7800 Power Supply 460968-001 462434-001 DPS-365BB : Electronics Amazon.com: HP Business Desktop DC7900 DC7800 Power Supply 460968-001 462434-001 DPS-365BB : Electronics](https://m.media-amazon.com/images/I/61pg9sf4RQL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Business Desktop DC7900 DC7800 Power Supply 460968-001 462434-001 DPS-365BB : Electronics
![Amazon.com: HP Genuine Compaq DC7800 DC7900 Elite 8000 8100 8200 Desktop Processor Heatsink 578011-001 : Electronics Amazon.com: HP Genuine Compaq DC7800 DC7900 Elite 8000 8100 8200 Desktop Processor Heatsink 578011-001 : Electronics](https://m.media-amazon.com/images/I/711A7tg2PWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Genuine Compaq DC7800 DC7900 Elite 8000 8100 8200 Desktop Processor Heatsink 578011-001 : Electronics
![4GB DDR2-800 RAM Memory Upgrade for The Compaq HP Business Desktop DC 7900 Series Business Desktop dc7900 (NH621EP#ABA) (Genuine A-Tech Brand) at Amazon.com 4GB DDR2-800 RAM Memory Upgrade for The Compaq HP Business Desktop DC 7900 Series Business Desktop dc7900 (NH621EP#ABA) (Genuine A-Tech Brand) at Amazon.com](https://m.media-amazon.com/images/I/61gPAhYt4hL._AC_UF894,1000_QL80_.jpg)
4GB DDR2-800 RAM Memory Upgrade for The Compaq HP Business Desktop DC 7900 Series Business Desktop dc7900 (NH621EP#ABA) (Genuine A-Tech Brand) at Amazon.com
![Amazon.com: NV274UTABA - HP Business Desktop dc7900 Intel Core 2 Quad Q8300 2.50 GHz - 4 GB DDR2 SDRAM - 250 GB - DVD-Writer - Gigabit Ethernet - Windows Vista Business - Small Form FactorIntel : Electronics Amazon.com: NV274UTABA - HP Business Desktop dc7900 Intel Core 2 Quad Q8300 2.50 GHz - 4 GB DDR2 SDRAM - 250 GB - DVD-Writer - Gigabit Ethernet - Windows Vista Business - Small Form FactorIntel : Electronics](https://m.media-amazon.com/images/I/81HmbVsbf3L._AC_UF894,1000_QL80_.jpg)
Amazon.com: NV274UTABA - HP Business Desktop dc7900 Intel Core 2 Quad Q8300 2.50 GHz - 4 GB DDR2 SDRAM - 250 GB - DVD-Writer - Gigabit Ethernet - Windows Vista Business - Small Form FactorIntel : Electronics
![parts-quick 4GB Memory for HP Business Desktop DC7900 Ultra-Slim (64-bit) DDR2 PC2-6400 800MHz SODIMM Compatible RAM at Amazon.com parts-quick 4GB Memory for HP Business Desktop DC7900 Ultra-Slim (64-bit) DDR2 PC2-6400 800MHz SODIMM Compatible RAM at Amazon.com](https://m.media-amazon.com/images/I/51zW-GDr4DL._AC_UF894,1000_QL80_.jpg)
parts-quick 4GB Memory for HP Business Desktop DC7900 Ultra-Slim (64-bit) DDR2 PC2-6400 800MHz SODIMM Compatible RAM at Amazon.com
![OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Ultra Slim Desktop) (DDR2-6400) Desktop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Ultra Slim Desktop) (DDR2-6400) Desktop Memory at Amazon.com](https://m.media-amazon.com/images/I/61Qn0mekZXL._AC_UF894,1000_QL80_.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Ultra Slim Desktop) (DDR2-6400) Desktop Memory at Amazon.com
![8GB (2 X 4GB) Memory for HP Business Desktop dc7900 / dc7900e SFF/CMT/MT DDR2 800MHz PC2-6400 240 pin Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon .com 8GB (2 X 4GB) Memory for HP Business Desktop dc7900 / dc7900e SFF/CMT/MT DDR2 800MHz PC2-6400 240 pin Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon .com](https://m.media-amazon.com/images/I/71dS3vH+xDL._AC_UF894,1000_QL80_.jpg)
8GB (2 X 4GB) Memory for HP Business Desktop dc7900 / dc7900e SFF/CMT/MT DDR2 800MHz PC2-6400 240 pin Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon .com
![Amazon.com: HP Compaq Socket 775 Motherboard 462432-001 460970-000 460969-001 for DC7900 SFF : Electronics Amazon.com: HP Compaq Socket 775 Motherboard 462432-001 460970-000 460969-001 for DC7900 SFF : Electronics](https://m.media-amazon.com/images/I/61swwl5WNvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Compaq Socket 775 Motherboard 462432-001 460970-000 460969-001 for DC7900 SFF : Electronics
![Amazon.com: HP Compaq 7900 PC - Intel Core2Duo 3.0GHz, New 4GB RAM, 160GB, Windows 10 Pro (Renewed) : Electronics Amazon.com: HP Compaq 7900 PC - Intel Core2Duo 3.0GHz, New 4GB RAM, 160GB, Windows 10 Pro (Renewed) : Electronics](https://m.media-amazon.com/images/I/61dWc7SpI9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Compaq 7900 PC - Intel Core2Duo 3.0GHz, New 4GB RAM, 160GB, Windows 10 Pro (Renewed) : Electronics
![A-Tech 4GB Stick for HP-Compaq Business Desktop Series dc7900 (Small Form Factor/Convertible Minitower) dx7500 (Microtower) dx7500 (Small Form Factor). DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com A-Tech 4GB Stick for HP-Compaq Business Desktop Series dc7900 (Small Form Factor/Convertible Minitower) dx7500 (Microtower) dx7500 (Small Form Factor). DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41aXS2qFopL._AC_UF894,1000_QL80_.jpg)
A-Tech 4GB Stick for HP-Compaq Business Desktop Series dc7900 (Small Form Factor/Convertible Minitower) dx7500 (Microtower) dx7500 (Small Form Factor). DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com
![2GB Stick for HP Compaq DC Series Desktop dc7800 dc7900 Ultra-Slim. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. **Ultra Slim Model at Amazon.com 2GB Stick for HP Compaq DC Series Desktop dc7800 dc7900 Ultra-Slim. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. **Ultra Slim Model at Amazon.com](https://m.media-amazon.com/images/I/61SxYuwN2UL.jpg)
2GB Stick for HP Compaq DC Series Desktop dc7800 dc7900 Ultra-Slim. SO-DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. **Ultra Slim Model at Amazon.com
![Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0GHz 2GB 160GB DVD Windows 7 Home Premium Small Form Factor : Electronics Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0GHz 2GB 160GB DVD Windows 7 Home Premium Small Form Factor : Electronics](https://m.media-amazon.com/images/I/41cJumMGSWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HP Compaq dc7900 Core 2 Duo E8400 3.0GHz 2GB 160GB DVD Windows 7 Home Premium Small Form Factor : Electronics
![CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Desktop Dc7900 Sff/CMT/Mt - A67 at Amazon.com CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Desktop Dc7900 Sff/CMT/Mt - A67 at Amazon.com](https://m.media-amazon.com/images/I/61NfaILqoGL._AC_UF894,1000_QL80_.jpg)