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A-Tech 8GB Memory RAM for HP/Compaq Presario Cq58-Bf9Wm - DDR3 1600MHz PC3-12800 Non ECC SO-DIMM 2Rx8 1.5V - Single Laptop & Notebook at Amazon.com
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A-Tech 8GB KIT (2 x 4GB) For HP-Compaq Presario Notebook Series CQ58-201EIA CQ58-201EK CQ58-201SA CQ58-201SG CQ58-201SK CQ58-201SM CQ58-201SU CQ58-20. SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory at Amazon.com
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Review HP Compaq Presario CQ58-148SG Notebook - NotebookCheck.net Reviews
Restored Compaq Pacific Blue 15.6" CQ58-bf9WM Laptop PC with AMD Dual-Core C-80 Processor, 2GB Memory, 320GB Hard Drive and Windows 8 (Refurbished) - Walmart.com
8GB 2X4GB RAM Memory for Compaq Presario CQ58 Series Presario CQ58-200SQ Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-12800 1600MHz Upgrade System Specific Memory - Newegg.com
Compaq CQ58 Laptop 8gb RAM HDD Caddy W/640GB HDD READ AS IS for Parts/Repair | eBay