OptiPlex 21.5” (3240) 3000 All-in-One

Intel® Core™
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The new look of productivity

Slim, 21.5" All-In-One with essential business-class performance and productivity features.

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OptiPlex 3240 AIO Non-Touch Desktop with Peripherals



  • Intel® 6th Generation Celeron
    Intel® Pentium
    Intel® Dual Core™ i3
    Intel® Quad Core™ i5

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)
    Neokylin® (China only)


  • Up to 2 DIMM slots
    Non-ECC dual-channel 2133 MHz DDR3L SDRAM, supports up to 16GB

Video Card

  • Integrated Intel® HD Graphics 530
    Optional 2GB AMD Radeon™ R7 A360


  • Height: 52.78 cm (20.78”) x Width: 36.3 cm (14.29”) x Depth: 6.35 cm (2.5”)
    Weight: 6.341kg (13.98lbs)


  • Trusted Platform Module6 TPM 1.2 (TPM 2.0 - firmware upgradable) Dell Data Protection| 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 Computrace*


  • 4 – USB 3.0 (2 side, 2 rear)
    2 – USB 2.0 (rear)
    HDMI 1.4
    Display Port 1.2
    1 Universal Headset (Side)
    Line-out 1 Rear


  • Supports optional optical disc drive and standard media card reader
    1 M.2 connector (Wi-Fi Card)


  • Intel® H110 Chipset


  • 1 internal 2.5”


  • Internal Power Supply Unit; 80 PLUS
    155W EPA Bronze & 200W EPA Platinum
    ENERGY STAR Compliant
optiplex 3240 aio - essential accessories for your OptiPlex 22 3000 Series All-in-One (3240)

Essential accessories for your OptiPlex 22 3000 Series All-in-One (3240)

Maximize the performance of your OptiPlex with Dell-recommended essential accessories. Look for these great products and more at checkout.
optiplex 3240 aio - dell wireless keyboard & mouse – KM636

Dell Wireless Keyboard & Mouse – KM636

Upgrade to a compact wireless keyboard and optical mouse.
optiplex 3240 aiodell - height adjustable stand

Dell Height Adjustable Stand

Modify your view for optimal comfort and productivity.
optiplex 3240 aio - dell articulating stand

Dell Articulating Stand

Adjust your view to interact easily with content in virtually any position.

We've got your business covered

ProSupport Plus

ProSupport Plus

Get anytime priority access to expert support with predictive analytics (via SupportAssist technology*) and damage protection for drops, spills, surges and more.
ProDeploy Plus

ProDeploy Plus

This comprehensive service provides seamless deployment of new technology. You get a single point of contact for project management including up-front planning, configuration, data migration and knowledge transfer.
Accidental Damage Service

Accidental Damage Service

Enjoy worry-free ownership and minimize downtime with protection from accidental drops, spills, surges and breakages. Coverage picks up where your previous warranty leaves off and is ideal for high-risk environments and mobile workforces.
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