Amazon.com: Microsoft Authorized Refurbisher- Dell Optiplex 3040 Micro Form Factor PC Intel i3-6100T 3.2GHz. 8GB DDR3 RAM,256 SSD, WiFi, with Dual Dell 24 P2419HLCD Windows 10 Pro (Renewed) : Electronics
Dell OptiPlex 3040 Desktop Computer Core i3 i3 6100 4 GB RAM 500 GB HDD Small Form Factor Windows 7 Professional 64 bit Intel HD Graphics 530 DVD Writer Gigabit Ethernet - Office Depot
Dell OptiPlex 3040 Tower Intel Core i5 6th Gen 16GB RAM 1TB SSD Windows 10 Professional
Dell Optiplex 3040-SFF, Core i5-6500 3.2GHz, 16GB RAM, 128GB Solid State Drive, 1TB HDD DVDRW, Windows 10
Dell Optiplex 3040 Micro Computer, Intel Core i5-6500T Gen 6 (2.50 GHz), 8GB DDR3 RAM, 500GB SATA HDD, WiFi, Bluetooth, HDMI, Displayport, Windows 10
Dell OptiPlex 3040 SFF Desktop Computer Core i3 6th gen Processor 16 GB Memory 512 SSD Wi-Fi Windows 10 Home
RAM upgrade for Dell optiplex 3040 : r/homelab
Amazon.com: Dell Optiplex 3040 Desktop Computer PC, 8GB RAM, 1TB HDD Hard Drive, Windows 10 Professional 64 Bit (Renewed) : Electronics
A-Tech 8GB Memory RAM for Dell OptiPlex 3040 SFF - DDR3L 1600MHz PC3-12800 Non ECC DIMM 2Rx8 1.35V - Single Desktop Upgrade Module (Replacement for A8733212) at Amazon.com