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PC Cases under $400

All PC Cases

11 PC cases under $400. Most cost $316 to $399, and half cost less than $348.

AsrMyjcx
+Tempered glass side window shows the interior
+Compact reinforced case for small builds
+Multiple expansion slots for add-in cards
−Glass side panel is a fragile component
$315.79
as of 11/03/2026 21:56 PST - Details
Bwofjgwh
+Tempered glass side window shows the interior
+Compact reinforced case for small builds
+Spacious interior for easier component installation
−Glass side panel is a fragile component
$334.19
as of 11/03/2026 22:16 PST - Details
Corsair

ATX, Mid tower

+RGB lighting built in
+Tempered glass side panel shows interior
+High airflow design
−Mid-tower size, not a compact case
$311.66
as of 11/03/2026 22:29 PST - Details
Zguzmcmk
+Micro form factor case saves desk space
+Reinforced glass side window shows the interior
+Built for a workstation build
−Small size limits room for larger components
$362.29
as of 11/04/2026 09:07 PST - Details
Noctua

ATX

+Six Noctua fans included with the case
+Supports radiators up to 420 mm
+ATX board support
$399.95
as of 11/03/2026 21:50 PST - Details
Moyeetings
+Small form factor saves desk and shelf space
+Reinforced glass side window shows the interior
+High-airflow design supports cooling
$347.69
as of 11/04/2026 00:17 PST - Details
NonMiFyR
+Small form factor saves desk and shelf space
+Reinforced glass side window shows the interior
+High-airflow design supports cooling
$334.19
as of 11/04/2026 00:28 PST - Details
SilverStone

mATX

+Eight hard drive bays for storage
+Hot-swap drive bays for easy drive replacement
+Supports Micro-ATX, Mini-DTX and Mini-ITX boards
$387.90
as of 11/04/2026 07:08 PST - Details

Compare specs

PC caseSpec scorePrice
n/a$381.99
as of 11/03/2026 23:33 PST - Details
n/a$399.99
as of 11/04/2026 08:06 PST - Details
n/a$315.79
as of 11/03/2026 21:56 PST - Details
n/a$334.19
as of 11/03/2026 22:16 PST - Details
n/a$311.66
as of 11/03/2026 22:29 PST - Details
n/a$362.29
as of 11/04/2026 09:07 PST - Details
n/a$399.95
as of 11/03/2026 21:50 PST - Details
n/a$347.69
as of 11/04/2026 00:17 PST - Details
n/a$334.19
as of 11/04/2026 00:28 PST - Details
n/a$387.90
as of 11/04/2026 07:08 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.