![My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp](https://external-preview.redd.it/H-AqTyTDdQxv8NiwSzitwPhStOeK99-_bexWpSNNzUQ.jpg?auto=webp&s=e7ab531d4632690daa3bdd7d4e3fc45e6aa72942)
My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp
![Refurbished: HP DC7900 Desktop PC with Intel Core 2 Duo 3.0 GHz, 4 GB RAM, 1 TB HDD, DVDROM, Windows 7 Professional 64-Bit - Newegg.com Refurbished: HP DC7900 Desktop PC with Intel Core 2 Duo 3.0 GHz, 4 GB RAM, 1 TB HDD, DVDROM, Windows 7 Professional 64-Bit - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/83-280-182-03.jpg)
Refurbished: HP DC7900 Desktop PC with Intel Core 2 Duo 3.0 GHz, 4 GB RAM, 1 TB HDD, DVDROM, Windows 7 Professional 64-Bit - Newegg.com
![Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) E8400 Intel® Core™2 Duo 2 GB DDR2-SDRAM 160 GB Windows Vista Business PCs/Workstations (FS489AW#ABH) Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) E8400 Intel® Core™2 Duo 2 GB DDR2-SDRAM 160 GB Windows Vista Business PCs/Workstations (FS489AW#ABH)](https://images.icecat.biz/img/norm/high/1690791-HP.jpg)
Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) E8400 Intel® Core™2 Duo 2 GB DDR2-SDRAM 160 GB Windows Vista Business PCs/Workstations (FS489AW#ABH)
![Amazon.com: PK Power AC/DC Adapter Compatible with HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics Amazon.com: PK Power AC/DC Adapter Compatible with HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics](https://m.media-amazon.com/images/I/51v1UnE9XNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: PK Power AC/DC Adapter Compatible with HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics
![Amazon.com: SLLEA AC/DC Adapter for HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics Amazon.com: SLLEA AC/DC Adapter for HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics](https://m.media-amazon.com/images/I/41CxzCRJPyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SLLEA AC/DC Adapter for HP Compaq DC7900 USDT Ultra-Slim Desktop PC Power Supply Cord Cable Charger Mains PSU : Electronics
![The 3rd and final upgrade to my trusty 15 yr old HP DC7900 ultra slim desktop. With a core 2 duo E8400, 4GB DDR2 and an 80GB 7200rpm hdd (original died, it The 3rd and final upgrade to my trusty 15 yr old HP DC7900 ultra slim desktop. With a core 2 duo E8400, 4GB DDR2 and an 80GB 7200rpm hdd (original died, it](https://external-preview.redd.it/2RRABEYDp-V3wVrPr6WYGKE52CvZyELHcaNU-Qcplno.jpg?width=640&crop=smart&auto=webp&s=2bdf1087507ca6496ce74b4e3458c21f32a86129)