Dell

Dell OPTIPLEX7040M-I5-6500T Micro PC i5 256GB SSD (Renewed)

4.4 (190 reviews)
I5-6500T8GB DDR4256GB SSD

Six-generation Skylake efficiency in a chassis smaller than a hardback book — the OptiPlex 7040 Micro puts USB 3.1 and DisplayPort in a footprint that disappears behind a monitor.

$140.40*$163.99Save 14%
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*Price sourced from Amazon.com. Last updated:Jul 17, 2026.Price and availability are subject to change.

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Overview

The Dell OptiPlex 7040 Micro pairs an Intel Core i5-6500T with 8GB of DDR4 RAM and a 256GB SATA SSD inside a chassis roughly the size of a thick paperback. The i5-6500T is Skylake-generation silicon — a 14nm quad-core with 6MB cache, clocked conservatively at 2.5GHz base to stay within a 35W thermal envelope. That constraint is the design trade-off: the Micro form factor enforces a power budget that keeps the chassis fanless-adjacent, but the base clock is lower than a full-TDP desktop i5. The 256GB SSD closes the gap perceptibly — storage I/O, not compute, is the bottleneck for most office productivity tasks, and SATA III speeds make the difference in perceived responsiveness that users actually notice daily. USB 3.1, DisplayPort, and onboard Wi-Fi round out the connectivity stack.

This machine is built for the segment that needs a capable, manageable, space-neutral desktop: VDI thin-client replacement, reception desk workstation, digital signage controller, light development terminal, or home office secondary machine. Windows 10 Pro enables domain join and BitLocker — useful in managed IT environments. The VESA-mount compatible chassis can disappear behind a monitor, reducing cable clutter to a single power and display run. As a renewed unit on a mature platform, driver support is stable and well-documented. The ceiling is clear — this is not a machine for compiling large codebases or running local AI inference — but within its target workload it is a well-engineered, space-efficient solution.

Key Features

Intel Core i5-6500T 2.50GHz

8GB DDR4

256GB SSD

Specifications

Brand
Dell
Model
OPTIPLEX7040M-I5-6500T
Processor
Intel Core i5-6500T, 2.50GHz base / 3.1GHz Turbo, Quad-Core
Memory
8GB DDR4
Storage
256GB SSD
Operating System
Windows 10 Pro
Video Output
DisplayPort
USB
USB 3.1
Network
RJ-45 Ethernet; Wi-Fi
Form Factor
Micro (sub-1-liter)
Condition
Renewed

Frequently Asked Questions

The i5-6500T is a quad-core Skylake processor with a 35W TDP, clocked at 2.5GHz base and 3.1GHz single-core turbo. It handles office productivity, web browsing, light development environments, and thin-client VDI sessions without bottlenecks. Video transcoding, large dataset analysis, or running multiple virtual machines simultaneously will saturate all four cores and expose the 2.5GHz base clock as a constraint.
The OptiPlex 7040 Micro supports up to 32GB of DDR4 RAM across two SO-DIMM slots. The current 8GB configuration uses one or both slots depending on the kit — confirm slot occupancy before purchasing an upgrade module to ensure compatibility and dual-channel pairing.
Yes. The 7040 Micro provides both DisplayPort and likely a second video output (VGA or HDMI depending on configuration). The listed DisplayPort output supports up to 4K resolution at 60Hz for a single high-resolution display, making it usable with modern monitors beyond 1080p.
Boot time, application launch speed, and file transfer responsiveness are all determined by storage I/O, not CPU speed, in productivity workloads. The 256GB SSD in this unit delivers sequential reads around 400–550 MB/s (SATA III ceiling) versus 80–120 MB/s from a spinning disk — that difference is perceivable within seconds of powering on.
The 7040 Micro includes USB 3.1 ports, DisplayPort video output, RJ-45 Ethernet, and Wi-Fi. The exact USB port count varies by rear/front panel configuration, but USB 3.1 Gen 1 (5Gbps) throughput supports external SSDs and fast peripherals without the USB 2.0 bottleneck found in older office hardware.