Best Tower Computers Under $100 (2026)

We ranked towers under $100 by a composite value score using star ratings, core features (case type, tempered glass or protective design, form factor), and overall price-to-feature balance

This roundup covers tower-style desktop options priced under $100, focused on value for everyday computing and compact desktop needs. Selections were ranked by a value score combining customer ratings, feature set (case compatibility, form factor, materials), and price-to-performance indicators

Top Picks

1
RLSOCO Case for Mini PC Desktops & ThinkCentre/Dell Optiplex/ASUS Chromebox

RLSOCO • ★ 3.9/5 • Budget

Compact hard case for various mini PCs, offering high-density EVA protection and extra space for accessories. Customers note useful storage and a snug fit for portable setups
- flexible internal space
- robust protective materials
- secure fit for mini PCs
Check current price on Amazon →
2
Segotep Endura Pro Full View Dual Tempered Glass ATX Gaming Case

NextGenOEM • ★ 3.6/5 • Mid-Range

Mid-tower ATX case with detachable panels and dual tempered glass. Features extensive viewing area and cable-friendly interior with support for high-end hardware. Customer note highlights airflow and space, with mixed views on assembly ease and build quality
- dual tempered glass panels
- panoramic white dragon design
- top 360mm radiator compatibility
Check current price on Amazon →
3
Lenovo ThinkCentre M700 SFF Desktop — i3-6100, 8GB, 256GB SSD, WiFi

Lenovo • ★ 3.6/5 • Mid-Range

Lenovo ThinkCentre M700 SFF desktop with 6th-gen Intel Core, 8GB RAM, 256GB SSD, WiFi and Bluetooth. Supports dual monitors and runs Windows 10 Pro. Customer insight notes mixed functionality with value and easy setup
- 8GB RAM and 256GB SSD
- built-in WiFi and Bluetooth
- dual monitor support
Check current price on Amazon →

Buying Guide

Confirm form factor compatibility

Match the case or chassis to your motherboard size — mini‑ITX, micro‑ATX, and ATX support differ and affect what components will fit

Check build material and protection

Look for materials like tempered glass or hard protective cases when durability and dust protection matter for transportable mini PCs

Prioritize power and cooling headroom

Even budget towers should offer enough PSU clearance and fan mounts or vents to prevent thermal throttling under sustained load

Consider renewal and warranty status

Refurbished or renewed desktops can deliver good value if the seller provides clear refurbishment standards and a warranty or return policy

Evaluate expandability and I/O

Check internal bays, PCIe slots and external ports to ensure the tower supports upgrades like additional storage, GPUs, or multiple monitors