As an Amazon Associate we earn from qualifying purchases.
- Best overall: DAN Cases A4-SFX v4.1 Mini-ITX Case
- Best budget: Noctua NF-P12 redux-1700 PWM 120mm Fan
- Best premium: Noctua NF-A14x25 G2 PWM 140mm Fan
- Best for a DAN Cases A4-SFX fan upgrade: Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan
- The DAN Cases A4-SFX v4.1 does not support 140mm fans; its fan mounts are sized for 92mm models.
- The Noctua NF-A14 PWM is a 140mm case fan, so it fits compatible cases but not the DAN Cases A4-SFX v4.1.
- For the DAN Cases A4-SFX v4.1, consider a 92mm fan such as the Noctua NF-A9x14 PWM chromax.black.swap.
- The DAN Cases A4-H2O supports up to three 120mm top fans, not 140mm fans.
- Match fan dimensions and case clearance before choosing a Black Friday 2026 cooling upgrade.
The DAN Cases A4-SFX v4.1 and Noctua NF-A14 PWM serve different purposes: one is a compact PC case, and the other is a 140mm fan. The key compatibility answer is simple: the 140mm Noctua fan does not fit the A4-SFX, which uses 92mm fan mounts. For a build in the A4-SFX, look at a compatible 92mm fan instead.
For this Black Friday 2026 guide, I researched and compared specs, reviews and owner feedback across DAN Cases chassis and Noctua fans. The goal is to help you choose a case or fan that matches your build, not just a product with a compelling name. My pick for most people depends on the use: choose the DAN Cases A4-SFX v4.1 for a compact SFF build, or the Noctua NF-A14 PWM for a case with 140mm mounts.
How We Picked
- Compared official product dimensions, fan sizes and stated mounting support.
- Prioritized products with a clear role in compact PC builds or 140mm case-fan upgrades.
- Reviewed published specifications, reviews and owner feedback without claiming research.
- Considered noise, maximum fan speed and airflow specifications where manufacturers publish them.
- Checked whether each fan matches the DAN Cases A4-SFX v4.1 or DAN Cases A4-H2O mounting layout.
Comparison Table
| Product | Best for | Dimensions / format | Fan support / maximum speed | Fit for DAN Cases A4-SFX |
|---|---|---|---|---|
| DAN Cases A4-SFX v4.1 Mini-ITX Case | Very compact Mini-ITX builds | 7.2L | 2 x 92mm mounts | Case; supports 92mm fans |
| DAN Cases A4-H2O Mini-ITX Case | Compact liquid-cooled builds | 11L | 3 x 120mm top mounts | Case; does not support 140mm fans |
| Noctua NF-A14 PWM 140mm Fan | Quiet airflow in 140mm mounts | 140 x 140 x 25mm | 1500 RPM | No; 140mm fan |
| Noctua NF-A14x25 G2 PWM 140mm Fan | Premium 140mm fan upgrades | 140 x 140 x 25mm | 1500 RPM | No; 140mm fan |
| Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan | High-airflow 140mm builds | 140 x 140 x 25mm | 2000 RPM | No; 140mm fan |
| Noctua NF-A12x25 PWM 120mm Fan | 120mm case and radiator mounts | 120 x 120 x 25mm | 2000 RPM | No; 120mm fan |
| Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan | Slim 92mm compact-case cooling | 92 x 92 x 14mm | 2200 RPM | Yes; confirm mount clearance |
| Noctua NF-P12 redux-1700 PWM 120mm Fan | Value-focused 120mm case cooling | 120 x 120 x 25mm | 1700 RPM | No; 120mm fan |
Best Picks Reviewed
#1 · Top pick
DAN Cases A4-SFX v4.1 Mini-ITX Case
The DAN Cases A4-SFX v4.1 Mini-ITX Case is the best compact case for builders who prioritize a 7.2L footprint. The 92mm fan mounts make it incompatible with every 140mm fan in this guide.
Best for: Very compact Mini-ITX builds
- Volume
- 7.2L
- Fan mounts
- 2 x 92mm
- Motherboard
- Mini-ITX
- GPU length
- Up to 295mm
- Compact 7.2L chassis
- Supports full-size graphics cards up to 295mm
- Clear 92mm fan-size requirements
- No 140mm fan mounting support
- Limited room for large CPU coolers
Does the DAN Cases A4-SFX v4.1 Mini-ITX Case fit a Noctua NF-A14?
No. The DAN Cases A4-SFX v4.1 Mini-ITX Case uses 92mm fan mounts, while the Noctua NF-A14 PWM measures 140mm. Choose a compatible 92mm fan for this case, and reserve the Noctua NF-A14 for a chassis designed around 140mm mounts.
See today’s Black Friday price on Amazon
#2
DAN Cases A4-H2O Mini-ITX Case
The DAN Cases A4-H2O Mini-ITX Case is the best DAN Cases alternative for builders who want a larger 11L layout. The DAN Cases A4-H2O Mini-ITX Case's three 120mm top fan positions suit 120mm fans, not 140mm Noctua NF-A14 models.
Best for: Compact liquid-cooled builds
- Volume
- 11L
- Top fan support
- 3 x 120mm
- Motherboard
- Mini-ITX
- Radiator support
- Up to 240mm
- More room than the 7.2L A4-SFX
- Supports a 240mm radiator
- Three 120mm top fan positions
- Does not support 140mm top fans
- Requires careful component-clearance planning
Does the DAN Cases A4-H2O Mini-ITX Case support Noctua NF-A14 fans?
No. The DAN Cases A4-H2O Mini-ITX Case is designed around 120mm top fans and a radiator up to 240mm. The 140mm Noctua NF-A14 PWM is too large for those fan positions, so select a 120mm fan for this case.
See today’s Black Friday price on Amazon
#3
Noctua NF-A14 PWM 140mm Fan
The Noctua NF-A14 PWM 140mm Fan is the best standard 140mm upgrade for owners of compatible cases. The Noctua NF-A14 PWM 140mm Fan's 140mm frame and 1500 RPM maximum speed make it unsuitable for the DAN Cases A4-SFX v4.1.
Best for: Quiet airflow in 140mm fan mounts
- Fan size
- 140 x 140 x 25mm
- Maximum speed
- 1500 RPM
- Maximum noise
- 24.6 dB(A)
- Maximum airflow
- 140.2 m³/h
- Standard 140mm size for broad case compatibility
- PWM speed control
- Strong airflow specification
- Does not fit 92mm or 120mm mounts
- Requires a case with 140mm clearance
Is the Noctua NF-A14 PWM 140mm Fan worth buying on Black Friday 2026?
Yes, the Noctua NF-A14 PWM 140mm Fan is a sound choice for a case with 140mm mounts and clearance. The Noctua NF-A14 PWM 140mm Fan's 1500 RPM maximum speed and PWM control suit adjustable case airflow, but its 140mm frame does not fit the DAN Cases A4-SFX.
See today’s Black Friday price on Amazon
#4
Noctua NF-A14x25 G2 PWM 140mm Fan
The Noctua NF-A14x25 G2 PWM 140mm Fan is the best premium 140mm pick for a compatible case. The Noctua NF-A14x25 G2 PWM 140mm Fan's 140mm frame and 1500 RPM maximum speed offer a modern option for builds with enough fan clearance.
Best for: Premium 140mm fan upgrades
- Fan size
- 140 x 140 x 25mm
- Maximum speed
- 1500 RPM
- Maximum noise
- 24.8 dB(A)
- Maximum airflow
- 155.6 m³/h
- High stated airflow for a 140mm fan
- PWM speed adjustment
- Suitable for compatible case or radiator positions
- Not compatible with 92mm or 120mm mounts
- Poor match for either DAN Cases chassis in this guide
Is the Noctua NF-A14x25 G2 PWM 140mm Fan a good Black Friday 2026 pick?
Yes, the Noctua NF-A14x25 G2 PWM 140mm Fan is a strong premium option when a case supports 140mm fans. The Noctua NF-A14x25 G2 PWM 140mm Fan's 155.6 m³/h stated airflow suits airflow-focused builds, while its frame rules it out for the DAN Cases A4-SFX and A4-H2O.
See today’s Black Friday price on Amazon
#5
Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan
The Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan is the best high-speed 140mm option for compatible builds that prioritize airflow. The Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan's 2000 RPM maximum speed is a poor match for the 92mm mounts in the DAN Cases A4-SFX.
Best for: High-airflow 140mm builds
- Fan size
- 140 x 140 x 25mm
- Maximum speed
- 2000 RPM
- Maximum noise
- 31.5 dB(A)
- Maximum airflow
- 182.5 m³/h
- Highest maximum speed among the 140mm picks here
- High stated airflow
- PWM control for speed adjustment
- Louder maximum noise specification than standard NF-A14 models
- Does not fit either DAN Cases chassis in this guide
Who should buy the Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan?
The Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan suits builders who need high airflow and have a compatible 140mm mount. The Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan's 2000 RPM maximum speed and 31.5 dB(A) noise rating favor performance over low-noise operation.
See today’s Black Friday price on Amazon
#6
Noctua NF-A12x25 PWM 120mm Fan
The Noctua NF-A12x25 PWM 120mm Fan is the best premium fan match for the DAN Cases A4-H2O Mini-ITX Case. The Noctua NF-A12x25 PWM 120mm Fan's 120mm frame fits the A4-H2O fan positions, but not the 92mm mounts in the A4-SFX.
Best for: 120mm case and radiator mounts
- Fan size
- 120 x 120 x 25mm
- Maximum speed
- 2000 RPM
- Maximum noise
- 22.6 dB(A)
- Connector
- 4-pin PWM
- Matches the A4-H2O 120mm fan format
- PWM speed control
- Useful for case or radiator cooling
- Does not fit the A4-SFX 92mm fan mounts
- Not suitable for 140mm fan positions
Is the Noctua NF-A12x25 PWM 120mm Fan compatible with DAN Cases?
The Noctua NF-A12x25 PWM 120mm Fan fits the 120mm fan positions of the DAN Cases A4-H2O Mini-ITX Case. The fan does not fit the DAN Cases A4-SFX v4.1, whose fan mounts are 92mm.
See today’s Black Friday price on Amazon
#7
Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan
The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan is the best slim Noctua match for the DAN Cases A4-SFX v4.1. The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan's 92mm frame and 14mm thickness target compact builds with limited fan clearance.
Best for: Slim 92mm compact-case cooling
- Fan size
- 92 x 92 x 14mm
- Maximum speed
- 2200 RPM
- Maximum noise
- 19.9 dB(A)
- Connector
- 4-pin PWM
- 92mm frame suits A4-SFX fan mounts
- Slim 14mm profile
- PWM speed control
- Not a 140mm fan alternative for larger cases
- Check mounting position and clearance before ordering
Is the Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan right for the A4-SFX?
Yes, the Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan matches the 92mm fan size used by the DAN Cases A4-SFX v4.1. The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan's slim 14mm profile targets tight spaces; verify the exact mount and clearance in your individual configuration.
See today’s Black Friday price on Amazon
#8
Noctua NF-P12 redux-1700 PWM 120mm Fan
The Noctua NF-P12 redux-1700 PWM 120mm Fan is the best practical 120mm alternative for the DAN Cases A4-H2O Mini-ITX Case. The Noctua NF-P12 redux-1700 PWM 120mm Fan's 1700 RPM maximum speed and standard 120mm size suit compatible top mounts.
Best for: Value-focused 120mm case cooling
- Fan size
- 120 x 120 x 25mm
- Maximum speed
- 1700 RPM
- Maximum noise
- 25.1 dB(A)
- Connector
- 4-pin PWM
- Standard 120mm frame fits A4-H2O top positions
- PWM speed control
- Straightforward cooling-focused design
- Does not fit A4-SFX 92mm mounts
- Check radiator and component clearance
Should I buy the Noctua NF-P12 redux-1700 PWM 120mm Fan for the A4-H2O?
Yes, the Noctua NF-P12 redux-1700 PWM 120mm Fan is a compatible size for the DAN Cases A4-H2O Mini-ITX Case top fan positions. Confirm radiator and component clearance, and do not select it for the smaller A4-SFX 92mm fan mounts.
See today’s Black Friday price on Amazon
Does the DAN Cases A4-SFX fit a Noctua NF-A14?
No, the DAN Cases A4-SFX v4.1 Mini-ITX Case does not fit a Noctua NF-A14 PWM 140mm Fan because the case uses 92mm fan mounts. The difference is physical, not a question of fan control or connector type: a 140mm frame cannot attach to a 92mm mount.
For an A4-SFX build, choose a fan that matches the mount size and thickness allowed by the specific installation point. The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan is the size-matched option in this guide. Check the case manual and your component layout before ordering, since clearance can vary with the build.
What is the difference between the DAN Cases A4-SFX and A4-H2O?
The DAN Cases A4-SFX v4.1 Mini-ITX Case is a 7.2L chassis with 92mm fan mounts, while the DAN Cases A4-H2O Mini-ITX Case is an 11L chassis with three 120mm top fan positions. Neither case supports the Noctua NF-A14 140mm format.
The A4-SFX focuses on a smaller footprint and asks builders to plan around tight space. The A4-H2O leaves room for a larger cooling layout, including a radiator up to 240mm. Skip it if your priority is a 140mm fan mount: neither DAN Cases option meets that requirement.
Which Noctua fan fits each DAN Cases chassis?
The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan matches the DAN Cases A4-SFX v4.1 Mini-ITX Case, while the Noctua NF-A12x25 PWM 120mm Fan and Noctua NF-P12 redux-1700 PWM 120mm Fan match the A4-H2O fan format.
All three Noctua NF-A14 models in this guide measure 140mm and do not fit either case's stated fan positions. Match both the frame dimensions and the fan's thickness to the intended mount. A connector that matches the motherboard does not make a physically oversized fan compatible.
Is the Noctua NF-A14 worth considering for a Black Friday build?
Yes, the Noctua NF-A14 PWM 140mm Fan is worth considering for a case with 140mm mounts, but it is not an upgrade for the DAN Cases A4-SFX or A4-H2O. Its 1500 RPM maximum speed, PWM control and 140.2 m³/h stated airflow make it a sensible option for compatible cases.
Choose the Noctua NF-A14x25 G2 PWM 140mm Fan for a premium 140mm alternative, or the Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan when higher speed takes priority. Check the case's fan dimensions before buying during Black Friday 2026.
How should you choose a compact PC fan in 2026?
Choose a compact PC fan by checking its frame size, thickness, connector and case clearance in that order. The DAN Cases A4-SFX uses 92mm fan mounts; the DAN Cases A4-H2O uses 120mm top fan positions. Those measurements rule out 140mm Noctua NF-A14 models for both cases.
Then compare maximum speed, noise and stated airflow for the fans that physically fit. A higher maximum speed is not automatically the right choice for a quiet build. Review the motherboard fan-control options and the case's specific installation instructions before choosing a Black Friday 2026 component.
Buying Guide
Measure the fan mount first
Check the case manual for supported fan dimensions before comparing specifications. The DAN Cases A4-SFX v4.1 Mini-ITX Case uses 92mm mounts, while the DAN Cases A4-H2O Mini-ITX Case supports 120mm top fans. A Noctua NF-A14 140mm model fits neither case.
Check fan thickness and clearance
Fan width is only one part of fit. Compare the fan thickness with the available space around the mount, graphics card, radiator and cables. The 14mm-thick Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan offers a slim format, but confirm the intended mounting point.
Match airflow needs to noise priorities
Compare maximum speed, airflow and noise together. The Noctua NF-A14 industrialPPC-2000 PWM 140mm Fan reaches 2000 RPM and carries a 31.5 dB(A) maximum noise specification. A lower maximum speed or adjustable PWM curve is a better fit for a quieter setup.
Choose the right connector and control
A 4-pin PWM connector allows motherboard-based speed control on compatible headers. Check the number of available headers and whether a splitter is required for multiple fans. Connector compatibility matters after the physical size and clearance requirements are confirmed.
Compare Black Friday 2026 listings carefully
Compare the exact model name, color variant, included accessories and seller details when reviewing Black Friday 2026 listings. Verify the retailer's return terms and match the product number to the fan size you need. Do not substitute a 140mm model for a 92mm or 120mm mount.
FAQ
Does a Noctua NF-A14 fit the DAN Cases A4-SFX?
No. The DAN Cases A4-SFX v4.1 Mini-ITX Case uses 92mm fan mounts, and a Noctua NF-A14 PWM 140mm Fan has a 140mm frame. Choose a 92mm model, such as the Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan, after checking clearance.
What fan size does the DAN Cases A4-SFX use?
The DAN Cases A4-SFX v4.1 Mini-ITX Case uses 92mm fan mounts. The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan matches that frame size. Check the case's installation guidance for thickness and position requirements before choosing a fan.
Does the DAN Cases A4-H2O support 140mm fans?
No. The DAN Cases A4-H2O Mini-ITX Case supports three 120mm top fans, not 140mm models. The Noctua NF-A12x25 PWM 120mm Fan is a size match for its top fan format; confirm radiator and component clearance for your build.
Which Noctua fan is best for the DAN Cases A4-SFX?
The Noctua NF-A9x14 PWM chromax.black.swap 92mm Fan is the size-matched option in this guide for the DAN Cases A4-SFX v4.1 Mini-ITX Case. Its 92mm frame and 14mm thickness suit compact installations, but confirm the intended mount and clearance.
Which Noctua NF-A14 fan should I buy in 2026?
Choose the Noctua NF-A14 PWM 140mm Fan for a standard 140mm case-fan upgrade, the Noctua NF-A14x25 G2 PWM 140mm Fan for a premium option, or the industrialPPC-2000 model for higher maximum speed. None fits the DAN Cases A4 chassis listed here.
Is the DAN Cases A4-SFX better than the A4-H2O?
The DAN Cases A4-SFX v4.1 Mini-ITX Case is better for a very compact 7.2L build, while the DAN Cases A4-H2O Mini-ITX Case suits builders who want an 11L layout and 120mm top fans. Neither case supports 140mm Noctua NF-A14 fans.