Corsair 4000D Frame Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support

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💡 How to pick a case
What to look for:
  • Matches your motherboard form factor
  • GPU clearance length for your graphics card
  • CPU cooler height clearance
💰 Airflow matters more than looks. Look for mesh front panels and 3+ included fans
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ProductForm FactorTowerSide PanelMax GPU LengthFans IncludedValuePrice
4000D Frame Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support Case
4000D Frame Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support
Corsair★★★★★4.6🔥 DEAL -$23
ATX
Mid
No
360mm
3 fans
A
$100.30
$77.41
Specifications
Form FactorATX
TowerMid
Max GPU Length360mm
Max Cooler170mm
3.5in Bays2
2.5in Bays2
Fans Included3 fans
Side PanelNo
RGBNo
USB-CNo
ColorBlack
Weight17.2 lbs
Model #CORSAIR 4000D RS
UPC840440485551
PERFORMANCE
75%
Customer Reviews★★★★★4.8 · 5 reviews
★★★★★Beautiful, durable, and great airflow
Beautiful case that has great airflow and opportunity for lots of fans! This case looks clean with and without RGB, it’s made of durable metal and excellent quality. The noise level is minimal with arctic fans, and has plenty of room for large GPU’s
Austin · 2026-03-25 · via amazon
★★★★★Easy to work with, quiet, great airflow and highly customizable
A wonderful and easy to use modular case. Stylish and easy to clean and plenty of room to tweak and make changes as you upgrade your build. Want to go from 120 to 140mm fans you can even up to 160mm fans. You can even swap in the included side panel for 3 additional side fans for more airflow. Truly a pc gamers dream for making their own build. <3 Super quiet and sleak just a perfect case thank you Corsair 😊
Ryan.D · 2025-08-01 · via amazon
★★★★★Great product, great price, great looks
Great quality and easy to work with. Looks amazing. Very happy with this (Frame 4000D - white) case. Only downside so far is my new GPU (Sapphire 9070XT) isn't in the right spot for the adjustable support peg. It misses in the normal slot, and hits the fan when using the extra part that it comes with to put said peg closer to the mobo.
Andrew Sprague · 2025-06-07 · via amazon
★★★★★Solid First-Timer Case
Roomy and easy to build in. The front, sides and top panels can all be removed, and the front panel includes a magnetic mesh panel that can be quickly detached and cleaned. My only complaint is that the InfiniRail system was confusing as a first time PC builder. It's a handy feature for enthusiasts with fans/radiators of different sizes, but for a first build it largely over-complicates fan/radiator installation. Other than that, the case offers a largely pleasant building experience.
Steph · 2025-12-31 · via amazon
★★★★★Great case!
I am very happy with this case. Very airy, love the dust screens, and the glass side is really nice. Plenty of room to work around inside and do cable management as well.
tommy · 2025-09-11 · via amazon
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Amazon
✓ In Stock
$77.41
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VALUE SCORE
A
24.2
Great value
Performance (75%) ÷ Price ($77.41) = 24.2
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
💰
Below MSRP
Was $100.30 → $77.41
23% off
4000D Frame Modular Mid-Tower ATX PC Case – High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support Case
CONSIDER INSTEAD
SAVE $22.50999999999999891% of this product's perf
X5M - Micro ATX Gaming PC Case, High Airflow, 4x120mm ARGB Fans Pre-Installed
Price
$54.9
$54.9
+12% FASTERfor $2.5799999999999983 more
NZXT - H7 Flow 2024 Mid-Tower ATX PC Case with RGB Fans - White
Price
$79.99
$79.99