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Small black Dell OptiPlex 3040 Micro desktop mini PC

DELL

DELL OptiPlex 3040-Micro i7-6700T 16GB 256GB desktop PC

SKU CH-37K7-P4JQS

Tiny desktop with Intel Core i7-6700T, 16GB DDR4, 256GB SSD, Windows 11 Pro, Wi-Fi, HDMI, DisplayPort, wireless keyboard and mouse included

  • CPU modelIntel Core i7-6700T
  • RAM capacity16 GB
  • SSD storage256 GB
  • GraphicsIntel HD Graphics 530
  • Operating systemWindows 11 Pro
  • Turbo clock speed3.6 GHz
  • Ready-to-work Windows 11 Pro pre-installed
  • Compact Mini PC design saves desk space
  • Intel Core i7-6700T 2.80 GHz base with 3.60 GHz turbo
  • 16 GB DDR4 memory for smooth multitasking
  • 256 GB SSD for fast boot and load times

Compact Mini PC for Office Work

The Dell OptiPlex 3040-Micro is a tiny desktop computer built around an Intel Core i7-6700T processor with 4 cores and 8 threads. It ships with 16GB of DDR4 memory and a 256GB SSD, running Windows 11 Pro out of the box. The integrated Intel HD Graphics 530 drives displays via HDMI and DisplayPort, while Wi-Fi and a single RJ45 port handle networking. A wireless keyboard and mouse are included for immediate use.

Simple Setup with Limited Expandability

Installation is straightforward: connect power, attach a monitor using the HDMI or DisplayPort output, and pair the included wireless peripherals. The Mini PC form factor uses an external power adapter, so there is no internal PSU to mount. Because the chassis is very small, adding internal storage or expansion cards is not practical; buyers who need more storage or a discrete graphics card should consider a larger tower system.

Steady Performance for Daily Tasks

The i7-6700T runs at a 2.80GHz base frequency and can reach 3.60GHz on turbo, with an 8MB cache to help sustain throughput during extended workloads. The low-power design keeps thermals manageable inside the compact case during long office sessions, web browsing, or video playback. Integrated graphics performance remains consistent for typical productivity applications but is not suited for heavy 3D rendering or modern gaming loads.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $192.99
Cheaper than about 90% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 256 GB
Lower than about 80% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name3040-Micro
Product typeDesktop PC
Product colorBlack
Processor
CPU modelIntel Core i7-6700T
Turbo clock speed3.6 GHz
Base clock speed2.8 GHz
Processor cache8 MB
Memory
RAM capacity16 GB
Storage
SSD storage256 GB
Graphics
GraphicsIntel HD Graphics 530
Ports & slots
Front USB ports2
Front audio jacks2
Ethernet port1 port
Size & build
Form factorMini PC
Software
Operating systemWindows 11 Pro

Questions about this item

How can I verify the Intel Core i7-6700T is running at its 3.60GHz turbo frequency after setup?

Open Task Manager in Windows 11 Pro, select the Performance tab, and watch the CPU clock speed rise toward 3.60GHz when a heavy workload is applied.

The supplier title mentions a wireless keyboard and mouse — are both included in the box, or must I buy a separate dongle?

The wireless keyboard and mouse are included; their USB receiver is pre-paired and plugs into one of the front USB ports, so no extra purchase is needed.

Should I choose the 256GB SSD version or look for a larger capacity for Windows 11 Pro and everyday files?

The 256GB SSD holds Windows 11 Pro, common office apps and a moderate personal library; add external storage later if media collections grow.

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