Antec A400i – High-Performance RGB CPU Cooler with Neon Lighting for Ultimate Silence
Antec A400i – High-Performance RGB CPU Cooler with Neon Lighting for Ultimate Silence is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Shipped within 3 business days
Return Policy
| Manufacturer | Antec |
Payment & Security
Cash on delivery - Instapay
The Antec A400i is a high-performance CPU air cooler designed to keep your processor running cool and quiet during intense gaming or productivity sessions. Featuring neon RGB lighting and a PWM silent fan, it combines aesthetics with functionality for modern PC builds.
key features
- 120mm PWM RGB Fan - Delivers silent operation with customizable neon lighting for an eye-catching setup.
- 4 Direct-Touched Copper Heat Pipes - Ensures rapid heat dissipation for stable performance under load.
- 72 CFM Airflow - Provides efficient cooling to handle up to 150W TDP without throttling.
key specifications
| Feature | Specification |
|---|---|
| Brand | Antec |
| Model | A400i Neon Lighting |
| Fan Size | 120 × 120 × 25 mm |
| Fan Speed | 800 – 1800 RPM |
| Max Airflow | 72 CFM |
| Noise Level | 20 – 36 dB(A) |
| Heat Pipes | 4 × Φ6 mm Direct-Touch Copper |
| Dimensions (D×W×H) | 128 × 76 × 155 mm |
| TDP Rating | 150 W |
| Intel Sockets | LGA 1700/1200/115x/1366/2011/2066 |
| AMD Sockets | AM5/AM4/AM3+/AM3/AM2+/AM2/FM2+/FM2/FM1 |
| Fan Connector | 4-pin PWM + 4-pin RGB |
* Specifications may vary by region and model variant.
performance excellence
Equipped with four direct-touch copper heat pipes and a dense aluminum fin stack, the A400i transfers heat away from your CPU extremely fast. It keeps even overclocked processors well below thermal limits while delivering up to 72 CFM of airflow with minimal noise.
user experience & comfort
Installation is quick and tool-free thanks to the upgraded metal mounting system. The 120 mm PWM fan automatically adjusts speed for the perfect balance between cooling performance and silence, making it ideal for both gaming and office environments.
visual quality & color accuracy
The built-in neon RGB lighting automatically cycles through vibrant colors and syncs perfectly with most motherboard RGB ecosystems via the standard 4-pin connector, giving your build a stunning visual upgrade with zero extra software required for basic operation.
design & build quality
Crafted from high-quality copper heat pipes and aluminum fins with a sleek black finish, the A400i is both durable and compact enough to fit in almost any mid-tower case without RAM or GPU clearance issues.
connectivity & compatibility
- 4-pin PWM fan connector for precise speed control
- Standard 4-pin RGB header for lighting synchronization
- Compatible with Intel LGA 1700/1200/115x/1366/2011/2066
- Compatible with AMD AM5/AM4 and all legacy AM/FM sockets
perfect for
- Gaming PCs that demand quiet yet powerful cooling
- Overclocked Intel and AMD builds up to 150 W TDP
- RGB-focused custom builds looking for plug-and-play lighting
why choose this product
The Antec A400i delivers premium-level cooling performance at a budget-friendly price, outperforming most stock coolers while adding gorgeous neon RGB lighting and whisper-quiet operation — the perfect upgrade for gamers and PC enthusiasts.
frequently asked questions
Q: Which CPU sockets does the Antec A400i support?
A: It supports all modern Intel LGA 1700/1200/115x/1366/2011/2066 and AMD AM5/AM4 plus older AM/FM sockets.
Q: Does the RGB lighting need extra software?
A: No — it automatically cycles colors when connected to a 4-pin RGB header. Full control is available through your motherboard’s RGB software if desired.
Q: How loud is the fan at full speed?
A: Maximum noise is only 36 dB(A) — very quiet even at 1800 RPM.






