![Amazon.com: Kircuit HP 19V / 19.5V 6.9A / 7.1A 135W AC/DC Adapter Compatible with HP Compaq dc7900 Ultra-Slim Desktop KP722AV FS489AW#ABA KR671UT#ABA 19VDC / 19.5VDC 6.9 Amp / 7.1 Amp 19 Volts : Electronics Amazon.com: Kircuit HP 19V / 19.5V 6.9A / 7.1A 135W AC/DC Adapter Compatible with HP Compaq dc7900 Ultra-Slim Desktop KP722AV FS489AW#ABA KR671UT#ABA 19VDC / 19.5VDC 6.9 Amp / 7.1 Amp 19 Volts : Electronics](https://m.media-amazon.com/images/I/61cKJUv1e0L.jpg)
Amazon.com: Kircuit HP 19V / 19.5V 6.9A / 7.1A 135W AC/DC Adapter Compatible with HP Compaq dc7900 Ultra-Slim Desktop KP722AV FS489AW#ABA KR671UT#ABA 19VDC / 19.5VDC 6.9 Amp / 7.1 Amp 19 Volts : Electronics
![Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Core™2 Duo E8400 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (FS489AW#ABH) Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Core™2 Duo E8400 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (FS489AW#ABH)](https://images.icecat.biz/img/gallery_mediums/img_1722391_medium_1470968091_0914_10692.jpg)
Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Core™2 Duo E8400 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (FS489AW#ABH)
![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
![Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Pentium® E5300 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (VC572ET) Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Pentium® E5300 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (VC572ET)](https://images.icecat.biz/img/gallery_mediums/3475133_0596154720.jpg)
Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Pentium® E5300 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (VC572ET)
![HP Compaq Desktop PC dc7900 (NV316UT#ABA) Core 2 Duo E7400 (2.80GHz) 2GB DDR2 160GB HDD Windows Vista Business with downgrade to Windows XP Professional custom installed - Newegg.com HP Compaq Desktop PC dc7900 (NV316UT#ABA) Core 2 Duo E7400 (2.80GHz) 2GB DDR2 160GB HDD Windows Vista Business with downgrade to Windows XP Professional custom installed - Newegg.com](https://c1.neweggimages.com/ProductImage/83-147-730-02.jpg)
HP Compaq Desktop PC dc7900 (NV316UT#ABA) Core 2 Duo E7400 (2.80GHz) 2GB DDR2 160GB HDD Windows Vista Business with downgrade to Windows XP Professional custom installed - Newegg.com
![Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Pentium® E5300 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (VC572ET) Specs HP Compaq dc7900 Ultra-slim Desktop PC (ENERGY STAR) Intel® Pentium® E5300 2 GB DDR2-SDRAM 160 GB Intel® GMA 4500M Windows Vista Business PCs/Workstations (VC572ET)](https://images.icecat.biz/img/gallery/3475133_1335596677.jpg)