CMS 4GB (1X4GB) DDR4 19200 2400MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 3050 All-in-One, OptiPlex 7040 Micro, OptiPlex 7440 - C105 - Walmart.com
Dell OptiPlex 7040 MT – Specs and upgrade options
Upgrading Dell Optiplex 7040 with more of the same 4GB RAM? : r/PcBuild
My setup 7040 MT OptipleX, my experience w/ ram & m.2 - Dell Community
Fast And Dependable Dell Optiplex 7040 Micro Desktop | Sixth Gen i3 | 8GB RAM | 128GB SSD | HDMI | Windows 10 Pro
Optiplex 7040 SSF GPU - Dell Community
A-Tech 4GB Memory RAM for Dell OptiPlex 7040 MT - DDR4 2666MHz PC4-21300 Non ECC DIMM 1Rx16 1.2V - Single Desktop Upgrade Module (Replacement for SNPCND02C/4G) at Amazon.com
CMS 32GB (2X16GB) DDR4 19200 2400MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 7040 SFF, OptiPlex 7050 SFF/Tower - C114 System Specific Memory - Newegg.com
16GB Memory Dell OptiPlex 7040 MT (Mini Tower) DDR4 RAM Upgrade
16GB Memory Dell OptiPlex 7040 SFF (Small Form Factor) DDR4 RAM Upgrade
parts-quick 4GB Memory for Dell OptiPlex 7040 Micro, 7050 Micro (MFF) DDR4 PC4-2400 SODIMM Upgrade - Walmart.com
DELL OPTIPLEX 7040 MT - SMALL Case BIG Upgrades - YouTube
Dell OptiPlex 7040 Micro: Teardown - Upgrade - Benchmarks - YouTube
Upgrading OptiPlex 7040, 3040, and 5040 for gaming | Hardware Corner
64GB Kit (4 x 16GB) DDR4-2666 (PC4-21300) DIMM DR x8 Memory RAM for Dell
CMS 16GB (2X8GB) DDR4 19200 2400MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 3050 All-in-One, OptiPlex 7040 Micro, OptiPlex 7440 - C109 at Amazon.com
Dell OptiPlex 7040 SFF | Dell Refurbished
Dell OptiPlex 7040 SFF Intel i5 8GB RAM 500GB HDD HDMI DisplayPort Win10 Desktop | Being Patient
CMS 32GB (2X16GB) DDR4 19200 2400MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 7040 SFF, OptiPlex 7050 SFF/Tower - C114 at Amazon.com
16GB Memory Dell OptiPlex 7040 MT (Mini Tower) DDR4 RAM Upgrade
Dell OptiPlex 7040 Mini-Tower Workstation | Ready to Order
OptiPlex 7040 Micro Parts & Upgrades | Dell Ireland
CMS 64GB (4X16GB) DDR4 19200 2400MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 7040 SFF, OptiPlex 7050 SFF/Tower - C120 at Amazon.com
CMS 32GB (2X16GB) DDR4 17000 2133MHz Non ECC DIMM Memory Ram Upgrade Compatible with Dell® OptiPlex 7040 Mini Tower - C69 at Amazon.com
Dell OptiPlex 7040 Series (SFF) Review - StorageReview.com
