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My computer 'insight' is one of my computers in my lab.

This Dell OptiPlex 7040 has been setup to serve as my electronics workstation. It runs Debian 12. I wanted a dedicated computer which had minimal USB devices connected so it's easier for me to find devices which are plugged in. Particularly I will be plugging in microcontroller programmers. Also I wanted a Linux workstation (Debian) instead of a Windows computer for this purpose. I intend to run MPLAB X and Arduino IDE on this computer among other things.

There is documentation from Dell about the OptiPlex 7040. In total I have four Dell OptiPlex 7040's in my lab. Others include 'wonder' and 'surprise'.

I am planning to upgrade the RAM in this from 2x4GB to 2x16GB Kingston HyperX IMPACT DDR4 8GB 16GB RAM 2666 3200 SODIMM Memory Notebook 260pin.

I took out the 128GB SK hynix SC308 SATA drive that came with this computer (which had Windows 10 Pro installed on it) and installed a TOSHIBA KIOXIA 256GB BG5 NVMe SSD M.2 drive instead. The old drive is in the drive drawer in case I need a Windows 10 Pro system.

I installed LTSpice on this computer following these instructions.


Supplier Manufacturer Component Warranty Price Qty1 Type Total Notes Ordered Arrived
eBay Toshiba TOSHIBA KIOXIA 256GB BG5 NVMe SSD M.2 2280 - NEW GEN4 $20.50 1 M.2 NVMe 256GB $20.50 2023-11-20 yes
eBay Dell Dell OptiPlex 7040 micro i5 6500T 8GB RAM 1TB M.2 SSD mini PC Win10 Pro WiFi $339.00 1 Computer $339.00 8GB RAM; 128GB SATA 2023-05-30 yes
Total: $


Feature OptiPlex 7040 Micro with Intel® Unite Technical Specification
Processor Intel® 6th generation Core™ i5 Quad Core (35W); Intel® vPro™; i5-6500T;
Chipset Intel® Q170 Chipset
Operating System Debian 12
Graphics Options Integrated Intel® HD Graphics 530
Memory 2 DIMM slots ; 4GB DDR4
Networking Micro: Integrated Intel® Intel i219-LM Ethernet LAN 10/100/1000; Wireless M.2 802.11ac +Bluetooth 4.1 card. Note: The integrated Intel i219-LM Ethernet or Intel Wifi card 8260 is required to support Intel® vPro™ Technology for Micro
I/O Ports Micro: 6 External USB3.0 (2 front/4 rear – 1 front with PowerShare); 1 RJ-45; 1 HDMI 1.4; 1 Display Port 1.2; 1 UAJ (front); 1 Line-out(front); 1 VGA
Hard Drive Options 2.5 inch; 500GB; 7200 RPM
Dimensions (H x W x D) Inches/(cm) 7.2 x 7.0 x 0.14 / 18.2 x 17.8 x 3.6
Min. Weight (lbs/kg) 3.12 / 1.41
Number of Bays 1 Dedicated 2.5” bay
Expansion Slots
  • 1 M.2 (22x30mm)
  • 1 M.2 (22x80mm)
Power Supply Unit (PSU) 65W external adapter, 87% minimum average efficiency
Recommended Accessories
  • Monitors: Dell 55” Monitor-E5515H
  • Micro Mounting Options: Vertical Stand, VESA Mount, Dual VESA Mount, All in One Mount, Console with DVD-RW, All in One Mount for E Series Displays
  • Projectors: Dell Interactive Projector – S510
  • Dell Premium Keyed Lock
Accessories Included Dell Wireless Keyboard and Mouse-KM636
Security Options Security Tools, Dell Data Protection| Encryption, Microsoft Windows Bitlocker, Local HDD data wipe via BIOS ("Secure Erase"), Encryption - SED HDD (Opal FIPS), Chassis lock slot support, Lockable Port Cover, Chassis Intrusion Switch, D-Pedigree (Secure Supply Chain Functionality), Setup/BIOS Password, Optional Smart Card keyboards, Intel® Trusted Execution Technology, Intel® Identity Protection Technology, Dell Secure Works, BIOS support optional Computrace7, Intel Software Guard eXtensions
Systems Management Options Dell Client Command Suite; Out of Band management support via vPro
Environmental, Ergonomic, & Regulatory Standards Environmental Standards (eco-labels): ENERGY STAR 6.0 qualified, EPEAT Registered9, CEL, WEEE, Japan Energy Law, South Korea E-standby, South Korea Eco-label, EU RoHS, China RoHS BFR/CFR/PVC Free configuration available in select regions. Please see your local representative or for specific details.
Warranty Limited Hardware Warranty; Standard 3-year On Site Service after Remote Diagnosis (3-3-3); Optional 3 year Dell ProSupport offers premium support from expert technicians and 24x7 availability
Configuration Services Factory Image load. BIOS Customization. Hardware Customization, Asset Tagging and Reporting.

Item description from the seller

Dell OptiPlex 7040 micro i5 6500T 8/16GB RAM 256-1TB SSD mini PC Win10 Pro WiFi

Condition: Good condition, may have some scratches.

3 Months return to base warranty.

Product Name: Dell OptiPlex 7040 micro i5 6500T 8/16GB RAM 256-1TB SSD mini PC Win10 Pro WiFi
Processor: Intel® Core i5-6500T
Operating System: Windows 10 Pro
Memory: 8GB/16/32GB DDR4
Storage: 0/256GB/512GB/1TB SSD
Optical Drive: N/A
USB Port: 6 USB Ports (Front 2 x USB 3.0, Rear 4 x USB 3.0)
Connectivity Ethernet; Intel® Dual Band Wireless-AC 8260 Bluetooth 4.2
Display ports 1 x DP port 1 x DHMI port
Condition: Grade A Condition, showing minimal signs of use. Some scratches can be expected. This item is shipped in a generic box with AC Adapters or power cables to operate the system.
Warranty: 3 Months Return to Base Warranty