![4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Dell Optiplex 755 Desktop (Genuine A-Tech Brand) at Amazon.com 4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Dell Optiplex 755 Desktop (Genuine A-Tech Brand) at Amazon.com](https://m.media-amazon.com/images/I/71QNSIWvJoL._AC_UF894,1000_QL80_.jpg)
4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Dell Optiplex 755 Desktop (Genuine A-Tech Brand) at Amazon.com
![Refurbished Dell OptiPlex 755 Tower Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 250GB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com Refurbished Dell OptiPlex 755 Tower Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 250GB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com](https://i5.walmartimages.com/asr/00e7fa11-01be-4415-87e6-2c9780fa521c_1.d3c7e65ad4a9debc45fd81dde26207c6.jpeg)
Refurbished Dell OptiPlex 755 Tower Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 250GB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
![8GB (4GBx2) Team High Performance Memory RAM Upgrade For Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor). The Memory Kit comes with Life Time Warranty. at Amazon.com 8GB (4GBx2) Team High Performance Memory RAM Upgrade For Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor). The Memory Kit comes with Life Time Warranty. at Amazon.com](https://m.media-amazon.com/images/I/81YKSzKzx5L._AC_UF894,1000_QL80_.jpg)
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor). The Memory Kit comes with Life Time Warranty. at Amazon.com
![Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 DT-0184 - Best Buy Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 DT-0184 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/5506/5506882_sd.jpg)
Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 DT-0184 - Best Buy
![4GB 2X2GB Memory RAM for Dell OptiPlex 755 Mini Tower 240pin PC2-5300 667MHz DDR2 DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com 4GB 2X2GB Memory RAM for Dell OptiPlex 755 Mini Tower 240pin PC2-5300 667MHz DDR2 DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com](https://c1.neweggimages.com/ProductImage/ABYY_1_201808062108412428.jpg)
4GB 2X2GB Memory RAM for Dell OptiPlex 755 Mini Tower 240pin PC2-5300 667MHz DDR2 DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
![A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade at Amazon.com A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade at Amazon.com](https://m.media-amazon.com/images/I/81Oz2F8mLUL.jpg)
A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade at Amazon.com
![2GB DDR2 PC2-6400 RAM Memory Upgrade for Dell Optiplex 160 210L 330 360 740 755 760 960 (PARTS-QUICK) - Walmart.com 2GB DDR2 PC2-6400 RAM Memory Upgrade for Dell Optiplex 160 210L 330 360 740 755 760 960 (PARTS-QUICK) - Walmart.com](https://i5.walmartimages.com/asr/61b11dfc-a5a7-446d-adc1-a9e8cd8c3979_1.5da0f180625f034b443b3f68992eafbd.jpeg)
2GB DDR2 PC2-6400 RAM Memory Upgrade for Dell Optiplex 160 210L 330 360 740 755 760 960 (PARTS-QUICK) - Walmart.com
![Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 SFF-0430 - Best Buy Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 SFF-0430 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/5506/5506819_sd.jpg)
Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 SFF-0430 - Best Buy
![2 GB Dell New Certified Memory RAM Upgrade for Dell OptiPlex 755 & 760 Systems SNPYG410C/2G A2149880: Buy Online at Best Price in UAE - Amazon.ae 2 GB Dell New Certified Memory RAM Upgrade for Dell OptiPlex 755 & 760 Systems SNPYG410C/2G A2149880: Buy Online at Best Price in UAE - Amazon.ae](https://m.media-amazon.com/images/I/410m-0JnbYL._AC_UF1000,1000_QL80_.jpg)
2 GB Dell New Certified Memory RAM Upgrade for Dell OptiPlex 755 & 760 Systems SNPYG410C/2G A2149880: Buy Online at Best Price in UAE - Amazon.ae
![CMS 4GB (2X2GB) DDR2 6400 800MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 755 Dt / Mt / Sff - A90 - Walmart.com CMS 4GB (2X2GB) DDR2 6400 800MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 755 Dt / Mt / Sff - A90 - Walmart.com](https://i5.walmartimages.com/asr/2355eb5c-2791-4d71-94ef-374fdab2f1d1_1.282d4f3eea233aab468772ee1f5932fb.jpeg)