Best Mini PCs with Core i3 in 2026: 2 Picks Ranked by Specs

Quick picks

The best fit for you

• You need the most compact model for small spaces Dell OptiPlex Micro Core i3 Desktop The Dell OptiPlex 3070 fits users prioritizing size with its micro form factor.
• You require ample RAM for heavy multitasking sessions HP Z2 Mini G4 Workstation Micro PC The HP Z2 Mini G4 provides 16GB of RAM for reliable workstation performance.
• You want a large storage setup for files HP Z2 Mini G4 Workstation Micro PC This model includes a 1TB HDD alongside a 512GB NVMe SSD for capacity.

Our 2 picks

1 Best overall

Dell OptiPlex Micro Core i3 Desktop

Best for: Compact office workspaces

Processor

Core i3 (what this guide is about)

RAM Capacity

8GB

RAM Type

DDR4

Storage Capacity

256GB

Storage Interface

M.2 PCIe

Operating System

Windows 11 Pro

View on Amazon: Dell OptiPlex Micro Core i3 Desktop Affiliate link

This Dell Optiplex 3070 Mini PC features an Intel Core i3-9100T processor and 8GB of DDR4 RAM. It includes a 256GB M.2 PCIe SSD and runs Windows 11. The compact form factor suits small desks. You get reliable performance for office tasks and media playback. It comes with a keyboard and mouse for immediate use. This setup is ideal for users who need a functional, space-saving desktop.

Pros

• Intel Core i3-9100T 9th Gen processor
• 8GB DDR4 RAM for multitasking
• 256GB M.2 PCIe SSD storage
• Pre-installed Windows 11

Cons

• HDMI 1.4 output limits high-resolution displays
• Refurbished condition with non-original peripherals
• Limited to 256GB storage capacity

Good fit if

• You need a small footprint for your desk
• You require a pre-installed Windows 11 system
• You want a bundle with keyboard and mouse

Skip if

• You need high-end gaming performance
• You prefer brand-new hardware with original accessories
• You require modern HDMI 2.0 connectivity

Verdict: Dell Optiplex 3070 Mini PC offers solid entry-level specs for basic computing. It fits users who prioritize size and included peripherals over new condition.

2 Best budget

HP Z2 Mini G4 Workstation Micro PC

Best for: Multitasking with ample RAM and storage

Processor

Core i3 (what this guide is about)

RAM Capacity

16GB

RAM Type

DDR4

Storage Capacity

512GB SSD + 1TB HDD

Storage Interface

NVMe M.2

Operating System

Windows 11 Pro

View on Amazon: HP Z2 Mini G4 Workstation Micro PC Affiliate link

This HP Z2 Mini G4 workstation packs an 8th Gen Intel Core i3 into a compact micro form factor. It stands out with 16GB of DDR4 RAM, which helps keep multiple tasks running smoothly. You get 512GB of fast NVMe storage plus a 1TB HDD for large files. Wi-Fi 6E and Windows 11 Pro are included. It suits users who need reliable multitasking in a small footprint.

Pros

• 16GB DDR4 RAM for smooth multitasking
• 512GB NVMe SSD plus 1TB HDD storage
• Intel Core i3 8th Gen processor
• Wi-Fi 6E and Bluetooth connectivity
• Pre-installed Windows 11 Pro

Cons

• Older 8th Gen processor architecture
• Heavier and bulkier than standard mini PCs
• No mention of dual monitor support limits

Good fit if

• You need more than 8GB of RAM for heavy workloads
• You want fast NVMe boot speeds combined with large HDD storage
• You prefer a workstation-grade build in a tiny case

Skip if

• You require the latest processor generation for maximum performance
• You need a lighter or more portable device
• You only need basic web browsing and light office work

Verdict: HP Z2 Mini G4 i3 16GB RAM delivers solid multitasking power with its 16GB RAM and dual storage setup. It fits professionals who need reliable workstation performance in a small space.

Specifications side by side

How to choose the right mini pc

1. Check RAM for multitasking

   Memory determines how many apps you can run at once. The Dell OptiPlex Micro includes 8GB RAM, which is sufficient for web browsing and office documents. If you edit photos or run multiple programs, look for 16GB. The HP Z2 Mini G4 provides this extra capacity. More RAM prevents slowdowns when you switch between tasks. Verify the memory size in the specs before buying.

2. Evaluate storage capacity

   Storage holds your files and operating system. The Dell OptiPlex Micro comes with a 256GB SSD, offering fast boot times but limited space. The HP Z2 Mini G4 offers a larger setup with a 512GB NVMe SSD and a 1TB HDD. This combination provides speed for the system and room for large files. Choose based on how many photos or videos you plan to save locally.

3. Verify processor performance

   All models in this guide use Intel Core i3 processors. This chip handles basic computing tasks well, including email and video calls. It is not designed for heavy gaming or video rendering. Since all options share this CPU, focus your comparison on memory and storage instead. The Core i3 ensures consistent performance for everyday office work without requiring a more expensive upgrade.

4. Consider physical dimensions

   Mini PCs are valued for their small footprint. The Dell OptiPlex 3070 is a micro form factor, ideal for tight desks. The HP Z2 Mini G4 measures 8.5 inches wide and 2.28 inches high. Check these dimensions against your monitor mount or desk space. A smaller unit saves room but may have fewer expansion slots. Measure your available area to ensure a proper fit.

5. Match the use case

   Select a model based on your primary activity. The Dell OptiPlex Micro is best for compact office workspaces and basic tasks. The HP Z2 Mini G4 is labeled as a workstation, suitable for users needing reliable performance for heavier multitasking. If you only need a web browser, the Dell suffices. If you require a robust environment for professional tools, the HP workstation offers greater stability and capacity.

Frequently asked questions

See also

• best gaming desktops under 200
• best gaming desktops under 300