![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/the-3rd-and-final-upgrade-to-my-trusty-15-yr-old-hp-dc7900-v0-2RRABEYDp-V3wVrPr6WYGKE52CvZyELHcaNU-Qcplno.jpg?auto=webp&s=1ed90a637a0e4c2d348147a0c8b36105cf679ae4)
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
![OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Small Form Factor/Convertible Minitower) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Small Form Factor/Convertible Minitower) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com](https://images-na.ssl-images-amazon.com/images/I/61RKB2FDIXL._AC_UL210_SR210,210_.jpg)
OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq Business Desktop dc7900 (Small Form Factor/Convertible Minitower) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com
![579313-001 HP Motherboard includes Thermal Grease Alcohol Pad and CPU Socket Cover (Saturn) for DC7900 579313-001 HP Motherboard includes Thermal Grease Alcohol Pad and CPU Socket Cover (Saturn) for DC7900](https://cdn11.bigcommerce.com/s-6bkt1ygjlf/images/stencil/1280x1280/products/255024/280794/yhst-172536426-9_2519_507239066__38163.1527587109.jpg?c=2?imbypass=on)
579313-001 HP Motherboard includes Thermal Grease Alcohol Pad and CPU Socket Cover (Saturn) for DC7900
![Processor Changing/Upgrading; Supported Processors Table - HP Compaq dc7900 USDT Technical Reference Manual [Page 33] | ManualsLib Processor Changing/Upgrading; Supported Processors Table - HP Compaq dc7900 USDT Technical Reference Manual [Page 33] | ManualsLib](https://static-data2.manualslib.com/product-images/8/721/72048/raw.jpg)
Processor Changing/Upgrading; Supported Processors Table - HP Compaq dc7900 USDT Technical Reference Manual [Page 33] | ManualsLib
![462431-001 HP DC7900 CMT Motherboard (SPS-BD, SYS, EAGLELAKE,CMT,SATURN) | International Systems Management 462431-001 HP DC7900 CMT Motherboard (SPS-BD, SYS, EAGLELAKE,CMT,SATURN) | International Systems Management](https://www.ismweb.com/wp-content/uploads/462431-001-e1531846167331-scaled.jpg)
462431-001 HP DC7900 CMT Motherboard (SPS-BD, SYS, EAGLELAKE,CMT,SATURN) | International Systems Management
![Restored HP Compaq DC7900-SFF Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 2TB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com Restored HP Compaq DC7900-SFF Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 2TB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/16c9e5a7-ff6a-4f94-88c2-2efe24d3a27c_1.6c3a6ecce4ee24b3ab3b6c0f4daa85f9.jpeg)