![HP Pavilion 15-n230us Notebook PC (ENERGY STAR) with Windows 8.1, newest operating system from Microsoft Stock Photo - Alamy HP Pavilion 15-n230us Notebook PC (ENERGY STAR) with Windows 8.1, newest operating system from Microsoft Stock Photo - Alamy](https://c8.alamy.com/comp/E2BRHP/hp-pavilion-15-n230us-notebook-pc-energy-star-with-windows-81-newest-E2BRHP.jpg)
HP Pavilion 15-n230us Notebook PC (ENERGY STAR) with Windows 8.1, newest operating system from Microsoft Stock Photo - Alamy
![HP EliteBook 820 G4 Notebook PC (ENERGY STAR) (1FX41UT) 12.5in 256GB/16GB/16GB 2.7GHz Windows 10 Pro 64 Intel HD Graphics 620 - Yahoo Shopping HP EliteBook 820 G4 Notebook PC (ENERGY STAR) (1FX41UT) 12.5in 256GB/16GB/16GB 2.7GHz Windows 10 Pro 64 Intel HD Graphics 620 - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/FiZdWbGeh.F6J4AAYtCXdQ--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://i5.walmartimages.com/asr/a3fa0614-f465-459e-92ef-a833dcf60b7a_1.b83898c62ae711c22a36bdb371b11ec3.jpeg)
HP EliteBook 820 G4 Notebook PC (ENERGY STAR) (1FX41UT) 12.5in 256GB/16GB/16GB 2.7GHz Windows 10 Pro 64 Intel HD Graphics 620 - Yahoo Shopping
![4GB (1X4GB) Memory Ram Compatible with Hp/Compaq 635 LH406EA Notebook Pc (Energy Star) By CMS A30 - Computer Memory Solutions 4GB (1X4GB) Memory Ram Compatible with Hp/Compaq 635 LH406EA Notebook Pc (Energy Star) By CMS A30 - Computer Memory Solutions](https://www.computermemorysolutions.com/wp-content/uploads/2019/06/DDR3204PINSODIMMX1Front350996-2521.jpg)
4GB (1X4GB) Memory Ram Compatible with Hp/Compaq 635 LH406EA Notebook Pc (Energy Star) By CMS A30 - Computer Memory Solutions
![CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® 635 Notebook Pc (Energy Star) - A29 at Amazon.com CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® 635 Notebook Pc (Energy Star) - A29 at Amazon.com](https://m.media-amazon.com/images/I/71eVw9HLcEL.jpg)
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® 635 Notebook Pc (Energy Star) - A29 at Amazon.com
![Restored HP 15-R132WM NoteBook 15.6" HD N3540 2.1GHz 4GB RAM 500GB HDD Win 8 Home Red (Refurbished) - Walmart.com Restored HP 15-R132WM NoteBook 15.6" HD N3540 2.1GHz 4GB RAM 500GB HDD Win 8 Home Red (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/458b3b9c-84bb-43e7-a779-c44a601ee698_1.6edc010f984baeade975aefbad027785.jpeg)
Restored HP 15-R132WM NoteBook 15.6" HD N3540 2.1GHz 4GB RAM 500GB HDD Win 8 Home Red (Refurbished) - Walmart.com
![Amazon.com: HP 15-f004wm Laptop Computer - 15.6" HD Brightview WLED Backlit Screen, Intel Celeron N2830 Processor 2.16GHz, 4GB DDR3 RAM, 500GB HDD, Super DVD Burner, Windows 8.1 : Electronics Amazon.com: HP 15-f004wm Laptop Computer - 15.6" HD Brightview WLED Backlit Screen, Intel Celeron N2830 Processor 2.16GHz, 4GB DDR3 RAM, 500GB HDD, Super DVD Burner, Windows 8.1 : Electronics](https://m.media-amazon.com/images/I/418lrqgGFcL.jpg)
Amazon.com: HP 15-f004wm Laptop Computer - 15.6" HD Brightview WLED Backlit Screen, Intel Celeron N2830 Processor 2.16GHz, 4GB DDR3 RAM, 500GB HDD, Super DVD Burner, Windows 8.1 : Electronics
![Notebook Energy Star TEC versus total field energy consumption required... | Download Scientific Diagram Notebook Energy Star TEC versus total field energy consumption required... | Download Scientific Diagram](https://www.researchgate.net/publication/343494100/figure/fig1/AS:921715211268097@1596765439679/Notebook-Energy-Star-TEC-versus-total-field-energy-consumption-required-a-larger-viewing.png)