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- DeepCool PF400 400W ATX Power Supply - 80 PLUS, Silent 120mm Fan DeepCool PF400 400W ATX Power Supply - 80 PLUS, Silent 120mm Fan
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DeepCool PF400 400W ATX Power Supply
The DeepCool PF Series Power Supply Unit delivers safe and stable power performance with reliable 80 PLUS Standard efficiency at an affordable price point. Designed for entry-level to mid-range PC builds, this 400W PSU provides consistent power delivery with comprehensive protection features.
80 PLUS Standard Efficiency Certification
Certified for 80 PLUS 230V EU Standard efficiency, the PF400 ensures 85% efficiency under typical loading of 50%. This efficiency rating translates into lower energy waste, reduced heat generation, and long-term cost savings on electricity bills. The active PFC and double tube forward topology optimize power conversion for stable performance.
Silent Hydraulic Bearing Fan Technology
The 120mm Hypro bearing fan is optimally balanced for low-noise operation while maintaining effective cooling. This fluid bearing design improves overall life expectancy, reduces friction, and minimizes vibration compared to standard sleeve bearing fans. The fan operates quietly even under load, making it suitable for home and office environments.
Flat Black Cable Design
Fixed flat black cables offer flexibility and ease of cable management within your PC case. The flat cable design takes up less space than traditional round cables, improving airflow and creating a cleaner aesthetic. The black color scheme maintains a stealthy appearance that complements most build themes.
Comprehensive Protection Features
Multiple protection mechanisms safeguard your components against potential damage. Over Power Protection (OPP) prevents excessive power draw, Over Voltage Protection (OVP) guards against voltage spikes, and Short Circuit Protection (SCP) shields components during electrical faults. These protections work continuously to ensure system stability.
Reliable Connectivity Options
The PF400 includes a 24-pin (20+4) main power connector, 8-pin (4+4) EPS 12V CPU connector, two PCI-E (6+2) pin connectors for graphics cards, three SATA connectors for storage drives, and one 4-pin peripheral connector. This configuration supports most standard ATX system builds with adequate power distribution.
Technical Specifications
ATX12V V2.4 compliant with dimensions of 150x140x86mm, the PF400 fits standard ATX cases. Taiwan bulk capacitors ensure reliability, while the 100,000-hour MTBF rating demonstrates long-term durability. The unit operates effectively in temperatures from 0-40°C and meets CB/CCC/CE/UKCA/EAC/RCM regulatory standards with ErP 2010 compliance.
- Wattage: 400W
- Size/Version: ATX
- Modular: No
- SATA Connections: 3
- Certification: White
- Colour: Black
Delivery & Shipping Policy
Last updated: 19/09/2025
At Tech Direct UK, we aim to get your order to you as quickly and efficiently as possible. Please see below for our delivery terms.
1. Delivery Options & Costs
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Free Delivery – Orders over £50 qualify for free UK standard delivery.
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Standard Delivery – Orders under £50 are charged at £4.99.
2. Delivery Times
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Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).
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Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.
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Larger or Heavy Items – Certain products (e.g., heavy furniture, oversized goods) may take 2–5 working days for delivery. Estimated times will be displayed at checkout.
3. Delivery Areas
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We deliver to all mainland UK addresses.
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Deliveries to remote areas (e.g., Highlands, Islands, Northern Ireland) may take longer or incur additional charges — these will be shown at checkout before confirming your order.
4. Tracking Your Order
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Once dispatched, you will receive an email confirmation with tracking details (where available).
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You can track your delivery via the courier’s website.
5. Missed Deliveries
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If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.
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Repeated failed delivery attempts may result in the parcel being returned to us. In this case, re-delivery charges may apply.
6. Risk of Loss
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Risk of loss or damage to the goods passes to you once they are delivered.
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Please inspect your order upon receipt and notify us of any issues within 48 hours.
7. Contact Us
If you have any questions about delivery, please contact us:
📧 Email: support@techdirectuk.com