
NZXT
NZXT H6 Flow RGB (Black)
Dual Chamber · ATX, Micro-ATX, Mini-ITX · 365 mm

A modular mid tower with InfiniRail fan mounting, three RS120 ARGB fans and dual-360 mm radiator support.
PCPR score
8.2
Great
Best price we’ve seen
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R1
The FRAME 4000D RS ARGB is Corsair's modular update to the 4000D, with sliding InfiniRail fan mounts, a 3D Y-pattern steel front and reverse-connector board support. Corsair lists 430 mm GPU clearance, 170 mm coolers, E-ATX support and 360 mm radiators on the front, top and side. Three RS120 ARGB fans are included. It replaces the older 4000D RS ARGB name.
Pros
Cons
Best for
J3
Core
Fit
Cooling
Ports & I/O
Physical
Features
Compatibility notes
P1
Best Buy
Seen Nov 9, 2026
$119.99
See it at Best BuyCorsair official page
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AV1
Corsair Remembered How to Make a Case: Frame 4000D RS ARGB Review
Gamers Nexus
Gamers Nexus reviews the Corsair FRAME 4000D RS ARGB case, describing it as a much better path for Corsair.
AV2
Tom's Hardware
PositiveTom's Hardware found this mid-tower delivers strong cooling and light weight at a fair price, though some promised modular upgrades were not yet purchasable.
Review
Read the sourcePC Gamer
MixedPC Gamer praises the modular, attractive chassis with handy rail mounting and side radiator support at a fair price, but notes panel flex, tight cable clearance, and missing promised customization.
Review
Read the sourceSummaries are written in our words. Follow the links for each source’s own review.
R9
Yes. Corsair lists ASUS BTF, MSI Project Zero and Gigabyte Project Stealth support.
Corsair says up to two 360 mm radiators at once across the front, top and side.
Three RS120 ARGB PWM fans come pre-installed, according to the specification list on Corsair's page.
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