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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
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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
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CMS 4GB (2X2GB) DDR2 6400 800MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 755 Dt / Mt / Sff - A90 - Walmart.com
![Dell Optiplex 755 SFF - Intel Core 2 Quad 2.4GHz - 4GB RAM - 1TB HDD - Windows 7 Pro 64-Bit - WiFi - DVD/CD-RW USED - Walmart.com Dell Optiplex 755 SFF - Intel Core 2 Quad 2.4GHz - 4GB RAM - 1TB HDD - Windows 7 Pro 64-Bit - WiFi - DVD/CD-RW USED - Walmart.com](https://i5.walmartimages.com/asr/93d74e0c-ba2f-4b13-af6d-72f4a039407e_1.be40956c71f83dc118e196a8eaa588ef.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Dell Optiplex 755 SFF - Intel Core 2 Quad 2.4GHz - 4GB RAM - 1TB HDD - Windows 7 Pro 64-Bit - WiFi - DVD/CD-RW USED - Walmart.com
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![i found this dell optiplex 755 in a scrap yard perfectly functioning{came with side panel just have it off} its ungodly slow with only a single stick of ddr2 2gb ram and i found this dell optiplex 755 in a scrap yard perfectly functioning{came with side panel just have it off} its ungodly slow with only a single stick of ddr2 2gb ram and](https://i.redd.it/y3u00badhmm41.jpg)
i found this dell optiplex 755 in a scrap yard perfectly functioning{came with side panel just have it off} its ungodly slow with only a single stick of ddr2 2gb ram and
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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
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4GB Kit 2 X 2GB DDR2 Memory for Dell Optiplex 755 760 GX280 Ultra Small Form Factor Desktop PC2-6400 240 pin 800MHz Non-ECC DIMM RAM (PARTS-QUICK Brand) at Amazon.com
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