Memory RAM Upgrade for HP Compaq Notebook 620 4GB DDR3 SODIMM | eBay
8GB KIT (2 x 4GB) for HP-Compaq 600 Notebook Series HP 620 HP 625 HP 635. SO-DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
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HP 620 Thermal Paste and Pad Replacement - iFixit Repair Guide
4GB Stick for HP-Compaq 600 Notebook Series HP 620 HP 625 HP 635. SO-DIMM
OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq HP 620 (DDR3-10600) Laptop Memory at Amazon.com
Seifelden 8GB (2X4GB) Memory RAM for HP 620 PC Laptop Memory Upgrade - Walmart.com
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