DeepCool PF400 400W 80 PLUS Standard PSU - Silent Fan
DeepCool
DeepCool PF400 400W 80 PLUS Standard PSU - Silent Fan
The DeepCool PF400 is a 400W power supply built for budget-conscious PC builders who need reliable, stable power with low noise. It delivers 80 PLUS Standard efficiency and protective circuits against common electrical faults.
Why this product
80 PLUS Standard efficiency at 50% load
Certified for 85% efficiency under typical loading, which reduces energy waste and heat output compared to non-certified supplies.
Silent 120mm fluid bearing fan
The hydraulic bearing design minimises friction and vibration for quieter operation and longer fan life.
Three-layer power protection
Over Power, Over Voltage, and Short Circuit protection shield your components against electrical damage.
Flat black cables for easier routing
Fixed cables are flexible and flat, taking up less space in the case and simplifying cable management.
- Power Output400W
- Efficiency Certification80 PLUS Standard (230V EU)
- Fan Size120mm
- Efficiency at 50% Load≥85%
- Operating Temperature Range0–40°C
- MTBF100,000 Hours
- SKUDEE-732
- EAN6933412709282
- ATX12V V2.4 compliant and compatible with standard desktop PC builds using 24-pin, 8-pin EPS, dual 6+2 pin PCIe, SATA, and 4-pin connectors.
- Fits standard PC cases with dimensions of 150x140x86mm (W x L x H).
- Designed for systems drawing up to 400W; unsuitable for high-power GPUs or multi-GPU setups that exceed this capacity.
Best for
- Budget builds and office PCs
- Silent operation environments
- Cable-managed, compact cases
- Energy-conscious users
Trade-offs
- High-performance gaming. 400W is insufficient for modern graphics cards and high-end processors that demand more headroom.
- Future upgrades. Limited capacity leaves no room for system expansion or component swaps.
- Server or workstation use. Designed for consumer desktop PCs, not professional or data-centre applications.
The DeepCool PF Series Power Supply Unit offers safe and stable power performance with reliable 80 PLUS Standard efficiency and affordable pricing.
To Higher Standards
Certified for 80 PLUS 230V EU Standard efficiency that ensures 85% efficiency under typical loading of 50%. Better efficiency translates into lower energy waste and lower temperatures for more cost savings.
Silent Hydraulic Bearing Fan
Optimally balanced for low-noise performance, the 120mm fluid bearing fan improves overall life expectancy and reduces friction and vibration.
Flat Black Cables
Stealthy and flexible, the fixed flat black cables are easy to maneuver for cable management while also taking up less space in your system.
Reliable Protection
Shield against potential risk and damage with overpower, over voltage, and short circuit power protection.
- Over Power Protection
- Over Voltage Protection
- Short Circuit Protection
General
| Brand | DeepCool |
|---|---|
| Form Factor | ATX12V V2.4 |
| Dimensions | 150x140x86mm (W x L x H) |
Fan
| Fan Size | 120mm |
|---|---|
| Fan Bearing Type | Hypro Bearing |
Performance
| Efficiency Certification | 230V EU White |
|---|---|
| Efficiency at 50% Load | ≥85% |
| Topology | Active PFC + Double tube forward |
| Hold Up Time | ≥16ms (75% Load) |
| Power Good Signal | 100–500ms |
Acoustics & Power
| Operating Temperature Range | 0–40°C |
|---|---|
| Capacitors | Taiwan bulk capacitor |
| Protection Features | Over Power, Over Voltage, Short Circuit |
| Connector Types | 24-pin (20+4), 8-pin EPS, 2× 6+2 pin PCIe, 3× SATA, 4-pin peripheral |
| Regulatory Certifications | CB, CCC, CE, UKCA, EAC, RCM |
| MTBF | 100,000 Hours |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.