The Dell OptiPlex 3040 SFF is a desktop computer that simplifies business computing with security and manageability in a smaller and energy-efficient design. Available with up to 6th Gen Intel Core i5 Processors, Intel Integrated graphics, ample support for multiple displays, and Dell Client Command Suite tools for time-saving systems management, the OptiPlex 3040 SFF provides excellent value for businesses. For users who need a compact and space-saving solution, this cost-effective desktop is reliable for productivity tasks and light multitasking.
OptiPlex 3040 SFF Mounting Equipment
- Wall Mount: Secure Wall Mount for Dell OptiPlex, Inspiron and Precision SFF
- 4 Post Racks: 19” width, 20”-30” mounting depth
- 4 Post Sliding Shelf: Light Duty Server Rack Shelf 24″
OptiPlex 3040 SFF Mounting Specifications
Chassis Dimensions:
- Length (depth): 11.5” (292.1 mm)
- Width: 3.6” (91.44 mm)
- Height: 11.4” (289.56 mm)
- Weight: 6.1 kg (13.45 lbs)
Mounting Requirements:
- U height: 6U horizontally, 6U vertically
- Machine width: 3.6”
- Mountable depth: 11.5”
OptiPlex 3040 SFF Hardware Specifications
- RAM: 2 Long DIMM slots; Non-ECC dual-channel 1600MHz DDR3L SDRAM, supports up to 16GB (MT/SFF); 2 SO- DIMM slots (MFF)
- Storage: Up to two storage drives, including one 3.5-inch HDD (convertible to 2x 2.5-inch) and an external slim ODD
- CPU options: Intel 6th generation Core i5 Quad Core (65W for SFF), Core i3 Dual Core, Pentium, Dual Core and Celeron Dual Core (65W for SFF)
- Power: Standard 180W PSU Active PFC / 180W typical 85% Efficient PSU (80 PLUS Bronze) ENERGY STAR compliant, Active PFC / 180W typical 92% Efficient PSU (80 PLUS Platinum); ENERGY STAR compliant, Active PFC
- Remote management: Dell Client Command Suite; In-Band Systems Management
OptiPlex 3040 SFF Dimensions and Rack Compatibility
The Dell OptiPlex 3040 SFF chassis is 6 rack units in height, has a depth of 11.5 inches and will fit in standard EIA 19 inch racks.

Wall mounts allow for the most efficient use of space when mounting desktop PCs. RackSolutions specifically designed a wall mount to fit the shoulder screws of the OptiPlex 3040 SFF.
Our sliding rack shelf allows you to mount the Dell OptiPlex 3040 SFF PCs on a single PC shelf. Plus, it’s easy to slide your desktop PC in and out of them for maintenance.
Other products that will be useful when mounting your PC can be found here:
FAQs: Dell OptiPlex Wall Mount
Do the mounts interfere with any product features?
We’ve designed every mount with the features of the devices in mind. Rest assured that your inputs and outputs will not be blocked by the secure enclosure.
Are the wall mounts easy to install?
One of the best things about our Dell wall mounts is that they are designed to make it fast and easy for anyone to install them properly. You typically won’t need to hire a professional to come in and do the job, which can save you a lot of time and money. In addition, Dell wall mounts are made with high quality materials to ensure they can securely hold PCs, monitors, or both.
What are the different types of Dell wall mounts?
Even if you’ve never considered mounting your PC or monitor to a wall before, it may be a great option. The different types of Dell wall mounts are a dell monitor wall mount, dell pc and monitor wall mount, extendable wall mount, and tilting wall mount. You can learn more about the Dell wall mounts in our blog.

