OptiPlex 3040 Micro PC Desktop

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Small, secure and simply managed.

Get maximum productivity in a small package with this ultracompact, energy efficient desktop with versatile deployment and custom mounting options.

OptiPlex 3040 Micro



  • Intel® 6th generation Core™ i5 Quad Core (65W for MT & SFF, 35W for micro)
    Intel® Core™ i3 Dual Core
    Intel® Pentium® Dual Core and Celeron® Dual Core (65W for MT & SFF, 35W for Micro)

Operating System ​ (Dell recommends Windows 10 Pro.)

  • Windows 10 Home (64-bit)
    Windows 10 Pro (64-bit)
    Windows 8.1 (64-bit)
    Windows 8.1 Pro (64-bit) (Includes Windows 10 Pro License)
    Windows 7 Professional SP1 (32-bit) (Includes Windows 10 Pro License)
    Windows 7 Professional SP1 (64-bit) (Includes Windows 10 Pro License)


  • 2 Long DIMM slots
    Non-ECC dual-channel 1600MHz DDR3L SDRAM, supports up to 16GB (MT/SFF)
    2 SO- DIMM slots (Micro)

Video Card

  • Integrated Intel® HD Graphics 530
    Supports optional discrete graphics: AMD Radeon™ R7 350X, AMD Radeon™ R5 340X (MT/SFF only)


  • Trusted Platform Module10 (TPM) Dell Data Protection| Security Tools, Dell Data Protection| Encryption
    Chassis lock slot support
    Chassis Intrusion Switch
    Setup/BIOS Password
    I/O Interface Security
    Optional Smart Card keyboards
    Intel® Trusted Execution Technology
    Intel® Identity Protection Technology
    Intel® Ant-Theft Technology
    KACE Security
    Dell Secure Works
    BIOS support for optional Computrace


  • 4 USB 3.0 ( 2 front / 2 rear )
    2 USB 2.0 ( 0 front / 2 rear )
    1 RJ-45; 1 Flush Serial ( Optional )
    1 Display Port 1.2
    1 HDMI 1.4
    2 PS/2 ( Optional )
    1 UAJ, 1 Line-out
    1 VGA (optional)


  • Optional optical disc drives
    1 M.2 (22x30mm)


  • 1 internal 2.5”


  • Height: 7.2" (18.2 cm) x 7.0" (17.8 cm) x 1.4" (3.6cm)
    Weight for MFF : 2.82lbs (1.28 kg)
    Natively supports 2 digital video outputs (DP and HDMI)


  • 65W external adapter, 87% minimum average efficiency

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