Best Computer Cases Under $100 (2026)
We selected cases under $100 by a composite value score that balances build materials, cooling features, form factor support, user feedback, and included accessories
The Verdict
- Best Overall: CORSAIR 4000D RS Frame Mid-Tower PC Case — Best mid‑tower option for frame‑system builders: roomy interior and solid cable routing for straightforward assembly
- Best Value: ElectroCookie Raspberry Pi 5 Aluminum Case with RGB Fan — Best for Raspberry Pi 5 projects: aluminum shell with an integrated RGB fan for improved cooling and style
This roundup highlights computer cases under $100 chosen for overall value, features, and user-rated performance. Picks were ranked by a value score that weighs build quality, cooling potential, form factor compatibility, and feature set
Top Picks
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1
Best Overall CORSAIR 4000D RS Frame Mid-Tower PC Case
Best mid‑tower option for frame‑system builders: roomy interior and solid cable routing for straightforward assembly
Modular, high-airflow mid-tower case with 3 pre-installed CORSAIR RS fans and InfiniRail mounting for flexible front/roof cooling. Noted for clean cable management and build ease, with ample space for components
- FRAME modular system
- 3x pre-installed fans
- InfiniRail flexible mounting
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2
CORSAIR 4000D RS Frame Mid-Tower PC Case
Excellent mid‑tower choice for clean builds: balanced airflow and a frame-centric layout that simplifies component installation
Modular mid-tower case with FRAME system and front-rail fan mounting for flexible airflow. Includes 3x CORSAIR RS PWM fans and multiple radiator options; praised for build quality and cable management
- frame modular system
- infiniRail mounting
- pre-installed pwm fans
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3
Cooler Master MasterBox Q300L Micro-ATX Tower
Best compact budget micro‑ATX case: highly space‑efficient layout with good cooling for small‑form builds
Micro-ATX/Mini-ITX case with transparent side panel and adjustable I/O for versatile airflow. Notable for compact size and ease of build, with mixed feedback on airflow and cable management
- transparent side panel
- supports 240mm cooling
- maximum GPU and PSU compatibility
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4
NZXT H6 Flow mid-tower case
Best for airflow‑focused mid‑tower builds with a dual‑chamber layout that separates heat sources and simplifies cable management
Compact dual-chamber mid-tower case with panoramic glass and high airflow. Includes three pre-installed 120mm fans and intuitive cable management for easy builds
- dual-chamber design for airflow
- wraparound glass for unobstructed view
- pre-installed fans for immediate cooling
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5
Lian Li SUP 01-45L Stand-Up Platform Case
Best for unique orientations: stand‑up platform design that saves desk space and highlights RGB lighting
45-liter stand-up PC case with independent chamber cooling. Includes 510mm PCIe 4.0 riser and side RGB lighting; ARGB strips synced with case lighting. Customer notes easy build, good airflow, and ample space for large GPUs
- independent chamber direct cooling
- pre-installed 3x 120mm fans
- 510mm PCIe 4.0 riser with RGB cover
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6
Best Value ElectroCookie Raspberry Pi 5 Aluminum Case with RGB Fan
Best for Raspberry Pi 5 projects: aluminum shell with an integrated RGB fan for improved cooling and style
Aluminum mini tower case for Raspberry Pi 5 with active cooling fan and ambient RGB light. Large heat sink promotes cooling; responsive power button noted by users
- aluminum enclosure for durability
- RGB-lit PWM cooling fan
- integrated large heat sink
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7
ElectroCookie Raspberry Pi 5 Aluminum Case with RGB Cooling
Best mini‑tower Raspberry Pi 5 case for cooling and visual flair with compact aluminum construction and RGB fan
Aluminum mini tower case for Raspberry Pi 5 with active cooling and color-changing ambient light. Large heatsink and PWM RGB fan adjust with CPU temp. Customers praise build quality and fit
- aluminum mini tower design
- RGB-lit PWM cooling fan
- easy assembly with clear instructions
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8
ElectroCookie Aluminum Raspberry Pi 5 Case with RGB Fan
Best Raspberry Pi 5 aluminum case for combining passive metal cooling with an RGB fan for active airflow
Aluminum mini-tower case for Raspberry Pi 5 with active cooling fan and color-changing ambient lighting. Durable build and well-written assembly instructions noted by customers
- aluminum mini tower design
- PWM RGB cooling fan
- built-in structure for heat dissipation
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9
LANCOOL 207 Compact ATX Case with ARGB Fans
Best compact ATX option for RGB enthusiasts offering ARGB fans and a space‑efficient layout for full‑sized builds
Compact ATX case with airflow-optimized mesh panels and pre-installed ARGB fans. Recessed motherboard tray enhances cooling and supports ATX form factor, plus room for large GPUs
- ARGB front fans with infinity mirror
- support for up to 410mm GPUs
- top-ready for 360mm radiator
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10
ElectroCookie Raspberry Pi 5 Aluminum Case with RGB Fan
Best small Raspberry Pi 5 enclosure for hobby projects that need aluminum durability and a cooling fan with RGB lighting
Aluminum mini tower case for Raspberry Pi 5 with active cooling and RGB lighting. Encourages efficient cooling and stylish setup, with clear assembly guidance and responsive power button
- large active cooler with PWM fan
- premium aluminum chassis
- color changing ambient light