Description
The TCOMAS SJ-R400 is a precision-engineered single-tower air cooler designed to meet the thermal demands of modern multi-core processors. Utilizing a dense aluminum fin stack and four high-efficiency copper heat pipes, it provides a direct thermal path from the CPU integrated heat spreader (IHS) to the airflow stream. The unit is encased in a modular full-coverage shell that optimizes internal airflow while providing a clean, professional aesthetic suitable for high-end desktop builds.
This product is for:
- PC Gamers requiring consistent thermal performance to prevent CPU throttling during high-frame-rate gaming sessions.
- System Builders looking for a simplified assembly experience via the modular slide-rail fan mounting system.
- Creative Professionals using Intel Core i5/i7 or AMD Ryzen 5/7 CPUs for rendering and video editing.
- RGB Enthusiasts who want customizable, large-area ARGB lighting that integrates with standard motherboard software.
- Users with mid-tower cases needing a high-performance cooler that fits within a 155mm height clearance.
Detailed specifications:
- Dimensions: 128 x 92 x 155 mm
- Heat Pipes: 4x High-conductivity copper pipes
- Fan Model: SJ-F080 (120 x 120 x 30 mm)
- Fan Speed: 2500 RPM ± 10%
- Airflow: 81.8 CFM
- Static Pressure: 3.2 mmAq
- Noise Level: 35.7 dB(A)
- Compatibility: Intel LGA 1700/1200/115X; AMD AM5/AM4
- Warranty: 3-Year Limited Warranty
Operating the SJ-R400 reveals the advantage of its 30mm thick SJ-F080 fan, which provides 3.2 mmAq of static pressure—significantly higher than standard 25mm fans. This extra pressure ensures air is forced through the fin array even at lower speeds, maintaining a balance between acoustic comfort and cooling efficiency. The slide-rail modular design eliminates the need for traditional metal fan clips, making maintenance and cleaning straightforward without risking damage to the delicate aluminum fins.
In comparison to entry-level 4-heatpipe coolers, the TCOMAS SJ-R400 distinguishes itself with a higher 2500 RPM ceiling and superior 81.8 CFM airflow, whereas competitors often peak at 1800 RPM and 60 CFM. While many tower coolers leave heat pipe ends exposed, the SJ-R400 features a full-coverage modular shell that provides a more premium look and better structural integrity. Its 155mm height makes it more versatile for narrow cases than larger 160mm+ dual-tower alternatives while still outperforming standard stock cooling solutions.
Q&A:
- Does the TCOMAS SJ-R400 support the latest Intel LGA 1700 socket? Yes, it includes all necessary mounting hardware for LGA 1700, 1200, and 115X sockets.
- Is this cooler compatible with AMD AM5 motherboards? Yes, the SJ-R400 is fully compatible with both AMD AM5 and AM4 platforms.
- How is the ARGB lighting controlled? The cooler uses a standard 3-pin 5V ARGB connector that can be controlled via ASUS Aura Sync, MSI Mystic Light, or Gigabyte RGB Fusion.
- What makes the slide-rail fan design better? The slide-rail system allows the fan to be easily removed or adjusted for RAM clearance without using tools or metal clips.
- Can this cooler handle high-TDP processors? The SJ-R400 is optimized for mid-to-high range CPUs; for extreme overclocking on i9 or Ryzen 9 chips, ensure your case has adequate ambient airflow.
