![4GB [2x2GB] DDR2-533 (PC2-4200) RAM Memory Upgrade Kit for The Dell Optiplex GX520 Desktop (Genuine A-Tech Brand) at Amazon.com 4GB [2x2GB] DDR2-533 (PC2-4200) RAM Memory Upgrade Kit for The Dell Optiplex GX520 Desktop (Genuine A-Tech Brand) at Amazon.com](https://m.media-amazon.com/images/I/71QNSIWvJoL._AC_UF894,1000_QL80_.jpg)
4GB [2x2GB] DDR2-533 (PC2-4200) RAM Memory Upgrade Kit for The Dell Optiplex GX520 Desktop (Genuine A-Tech Brand) at Amazon.com
![A-Tech 2GB (2X 1GB) Memory RAM Kit for Dell OptiPlex 755, 745, 740, GX620, GX520, 360, 330, 160, FX160, (MT, DT, SFF, USFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Modules at Amazon.com A-Tech 2GB (2X 1GB) Memory RAM Kit for Dell OptiPlex 755, 745, 740, GX620, GX520, 360, 330, 160, FX160, (MT, DT, SFF, USFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Modules at Amazon.com](https://m.media-amazon.com/images/I/71yMWPIQFLL.jpg)
A-Tech 2GB (2X 1GB) Memory RAM Kit for Dell OptiPlex 755, 745, 740, GX620, GX520, 360, 330, 160, FX160, (MT, DT, SFF, USFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Modules at Amazon.com
![2GB RAM Memory for Dell OptiPlex GX520 Mini Tower 240pin PC2-4200 DDR2 DIMM 533MHz Black Diamond Memory Module Upgrade - Newegg.com 2GB RAM Memory for Dell OptiPlex GX520 Mini Tower 240pin PC2-4200 DDR2 DIMM 533MHz Black Diamond Memory Module Upgrade - Newegg.com](https://c1.neweggimages.com/ProductImage/ABYY_1_20180604490562197.jpg)
2GB RAM Memory for Dell OptiPlex GX520 Mini Tower 240pin PC2-4200 DDR2 DIMM 533MHz Black Diamond Memory Module Upgrade - Newegg.com
![Amazon.com: parts-quick 2GB Kit 2 X 1GB DDR2 Compatible Memory for Dell Optiplex GX520 GX620 GX745 Desktop PC2-4200 240 pin 533MHz DIMM RAM : Electronics Amazon.com: parts-quick 2GB Kit 2 X 1GB DDR2 Compatible Memory for Dell Optiplex GX520 GX620 GX745 Desktop PC2-4200 240 pin 533MHz DIMM RAM : Electronics](https://m.media-amazon.com/images/I/71puAMWzBRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: parts-quick 2GB Kit 2 X 1GB DDR2 Compatible Memory for Dell Optiplex GX520 GX620 GX745 Desktop PC2-4200 240 pin 533MHz DIMM RAM : Electronics
![Amazon.com: Memoria RAM de 2 GB Kit (2 x 1 GB) para el dell Optiplex GX280 (DDR2 – 533, PC2 – 4200) Upgrade : Electrónica Amazon.com: Memoria RAM de 2 GB Kit (2 x 1 GB) para el dell Optiplex GX280 (DDR2 – 533, PC2 – 4200) Upgrade : Electrónica](https://m.media-amazon.com/images/I/41ZC7HRtraL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Memoria RAM de 2 GB Kit (2 x 1 GB) para el dell Optiplex GX280 (DDR2 – 533, PC2 – 4200) Upgrade : Electrónica
![How to change / Upgrade / Install / Remove a Processor / CPU in a Dell Optiplex GX520 GX620 - YouTube How to change / Upgrade / Install / Remove a Processor / CPU in a Dell Optiplex GX520 GX620 - YouTube](https://i.ytimg.com/vi/7ZUEMEYtUu8/sddefault.jpg)
How to change / Upgrade / Install / Remove a Processor / CPU in a Dell Optiplex GX520 GX620 - YouTube
![Buy 4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Dell Optiplex GX520 Desktop (DDR2-533MHz 240-pin DIMM) Online at desertcartAruba Buy 4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Dell Optiplex GX520 Desktop (DDR2-533MHz 240-pin DIMM) Online at desertcartAruba](https://m.media-amazon.com/images/I/41VLYaPEryL.jpg)
Buy 4AllDeals 4GB Kit (2x2GB) Memory RAM Upgrade for Dell Optiplex GX520 Desktop (DDR2-533MHz 240-pin DIMM) Online at desertcartAruba
![Dell OptiPlex GX520 Intel 945G Motherboard XG312 X7841 MD573 Combo w/CPU & RAM: Buy Online at Best Price in UAE - Amazon.ae Dell OptiPlex GX520 Intel 945G Motherboard XG312 X7841 MD573 Combo w/CPU & RAM: Buy Online at Best Price in UAE - Amazon.ae](https://m.media-amazon.com/images/I/61Mnb0MIkRL._AC_UF1000,1000_QL80_.jpg)