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be quiet! Light Base 900 vs NZXT H9 Flow: Comparison
What is the difference between be quiet! Light Base 900 and NZXT H9 Flow?
Included fans is where these two genuinely part company, be quiet! Light Base 900 4 against NZXT H9 Flow 3, a 25% lead for be quiet! Light Base 900. Cpu cooler clearance runs the same way, 190 mm on the be quiet! Light Base 900 versus 165 mm on the NZXT H9 Flow, another win for be quiet! Light Base 900. They differ on expansion slots too, 8 on the be quiet! Light Base 900 versus 7 on the NZXT H9 Flow. Dimensions is not the same on both, 532 x 327 x 465mm on the be quiet! Light Base 900 versus 506 x 315 x 481 mm on the NZXT H9 Flow.
Who each one is for
The be quiet! Light Base 900 is the one to take for E-ATX workstation or high-end gaming builds and 420mm custom loop or large AIO setups, though it is not the pick for small desks or limited under-desk space and anyone prioritizing silence over looks. Take the NZXT H9 Flow for serious custom-loop builders who want dual-chamber design with 420mm radiator support at two locations. Avoid it for buyers on a tighter budget who don't need that much radiator headroom. Our rating of the be quiet! Light Base 900 (8.5/10): A great full-tower for anyone who wants Dark Base Pro-level capacity with a brighter, glass-forward look at a lower price. Our rating of the NZXT H9 Flow (8.5/10): dual-chamber showcase design with 420mm radiator support in two locations.
Frequently asked questions
Do the be quiet! Light Base 900 and NZXT H9 Flow differ on gpu clearance?
Yes. GPU Clearance reads 495 mm on the be quiet! Light Base 900 versus Up to 459 mm on the NZXT H9 Flow.
Specs and benchmarks
Brand
- be quiet! Light Base 900
- be quiet!
- NZXT H9 Flow
- NZXT
Motherboard Support
- be quiet! Light Base 900
- E-ATX, XL-ATX, ATX, Micro-ATX, Mini-ITX
- NZXT H9 Flow
- ATX, mATX, ITX
Case Type
- be quiet! Light Base 900
- Full-Tower
- NZXT H9 Flow
- Mid-Tower
Model
- be quiet! Light Base 900
- Light Base 900 FX
- NZXT H9 Flow
- H9 Flow
Panel Type
- be quiet! Light Base 900
- Tempered glass side and front
- NZXT H9 Flow
- Wraparound tempered glass
GPU Clearance
- be quiet! Light Base 900
- 495 mmBest
- NZXT H9 Flow
- Up to 459 mm (410 mm with 56 mm thick 420 mm AIO and front fans)
CPU Cooler Clearance
- be quiet! Light Base 900
- 190 mmBest
- NZXT H9 Flow
- 165 mm-13%
Included Fans
- be quiet! Light Base 900
- 4Best
- NZXT H9 Flow
- 3-25%
Case Volume
- be quiet! Light Base 900
- 68 L
- NZXT H9 Flow
- 76.7 L
Expansion Slots
- be quiet! Light Base 900
- 8
- NZXT H9 Flow
- 7
Dimensions
- be quiet! Light Base 900
- 532 x 327 x 465mm (L x W x H, excl. stands)
- NZXT H9 Flow
- 506 x 315 x 481 mm
Which one should you pick?
Choose be quiet! Light Base 900 if you want the higher GPU clearance (495 mm vs Up to 459 mm (410 mm with 56 mm thick 420 mm AIO and front fans)), the higher CPU cooler clearance (190 mm vs 165 mm) and the higher included fans (4 vs 3).
Choose NZXT H9 Flow if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | be quiet! Light Base 900 | NZXT H9 Flow |
|---|---|---|
| be quiet! Store | View on be quiet! Store | |
| Consumercarts listing | $170.00 View on Consumercarts listing |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
be quiet! Light Base 900
8.5 / 10 Expert Rating
A great full-tower for anyone who wants Dark Base Pro-level capacity with a brighter, glass-forward look at a lower price.
NZXT H9 Flow
8.5 / 10 Expert Rating
Dual-chamber showcase design with 420mm radiator support in two locations.




