![SINUMERIK PCU 50.5-P ELECTRONIC CONTROL DEVICE i5-520E; 2,4GHz; 1 x 2048MB RAM 24 V DC; WINDOWS XP P - 6FC52100DF532AA0 SINUMERIK PCU 50.5-P ELECTRONIC CONTROL DEVICE i5-520E; 2,4GHz; 1 x 2048MB RAM 24 V DC; WINDOWS XP P - 6FC52100DF532AA0](https://www.parmley-graham.co.uk/image/cache/data/products/product_picture_jpg_P_NC01_XX_00977J-500x500-watma.jpg)
SINUMERIK PCU 50.5-P ELECTRONIC CONTROL DEVICE i5-520E; 2,4GHz; 1 x 2048MB RAM 24 V DC; WINDOWS XP P - 6FC52100DF532AA0
![Corsair PC8500 1066MHz 2GB DDR3 Laptop Memory Upgrade - 2048MB, 204 Pin (CM3X2GSD1066) at TigerDirect.com Corsair PC8500 1066MHz 2GB DDR3 Laptop Memory Upgrade - 2048MB, 204 Pin (CM3X2GSD1066) at TigerDirect.com](https://images.highspeedbackbone.net/skuimages/large/C13-5222_chiclet01_nap_4352324.jpg)
Corsair PC8500 1066MHz 2GB DDR3 Laptop Memory Upgrade - 2048MB, 204 Pin (CM3X2GSD1066) at TigerDirect.com
![4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Compaq HP Presario CQ61-313US (DDR2-800MHz 200-pin DIMM) at Amazon.com 4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Compaq HP Presario CQ61-313US (DDR2-800MHz 200-pin DIMM) at Amazon.com](https://m.media-amazon.com/images/I/41F+7k1kF-L._AC_SX466_PIbundle-2,TopRight,0,0_SH20_.jpg)
4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Compaq HP Presario CQ61-313US (DDR2-800MHz 200-pin DIMM) at Amazon.com
![My laptop RAM is 2048MB DDR3 SDRAM. I want to buy a new 2GB RAM to upgrade to 4 GB. How can I choose the right RAM for my laptop? - Quora My laptop RAM is 2048MB DDR3 SDRAM. I want to buy a new 2GB RAM to upgrade to 4 GB. How can I choose the right RAM for my laptop? - Quora](https://qph.cf2.quoracdn.net/main-qimg-99ef2edf0ed28dc3f1d3a8e023e0dd15.webp)