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Correct adapter for our phones. Stable power delivery with no heating issues.
CP-3905-PWR-CE=
PWR ADAPT FOR UNIFIED SIP PH13905 EUROPE
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CP-3905-PWR-CE=
PWR ADAPT FOR UNIFIED SIP PH13905 EUROPE
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CP-3905-PWR-CE= is a 400W, semi-modular ATX power supply that features a Gold-level 80 PLUS certification, supporting an input voltage range of 100–240V and Active PFC for stable operation. It is equipped with a 120mm fluid dynamic fan that works in zero RPM mode at low loads, and it comes with essential protections such as OCP, OVP, SCP, and OTP to ensure reliable performance.
Designed with robust build quality and efficient thermal management, this PSU maintains low noise levels while delivering consistent power for gaming, workstation, and general use applications. It also offers a complete set of connectors including an ATX 24-pin, EPS (CPU) 4+4-pin, 2 PCIe (6+2)-pin, 4 SATA power connectors, and 2 Molex connectors, along with flat cable management for a clean build.
CP-3905-PWR-CE= price is is available on request. Get immediate quote.
Request bulk order quote for CP-3905-PWR-CE= for additional pricing. Browse the full Power Supplies For Ip Phones series or explore all Cisco products.
In a leading European university deploying 500 SIP endpoints across multiple lecture halls, the CP-3905-PWR-CE=-PWR ADAPT FOR UNIFIED SIP PH13905 EUROPE delivers reliable Power over Ethernet (PoE) to each IP phone, ensuring uninterrupted digital voice service. Benefit: Simplified infrastructure with centralized power management, 99.99% uptime for critical academic communications, and seamless compliance with EU power-delivery standards.
A multi-site customer service provider operating call centers in Germany, France and Spain integrates CP-3905-PWR-CE=-PWR ADAPT modules to power 1,000+ unified SIP workstations with dual-feed PoE redundancy. Benefit: Maximized fault tolerance, continuous agent availability under Tier III SLA, and measurable reduction in downtime costs by 75% across all European sites.
A financial services firm extends its core SIP trunking from the UK headquarters to 50 branch offices across Europe using CP-3905-PWR-CE=-PWR ADAPT FOR UNIFIED SIP PH13905 EUROPE. Centralized adapter provisioning accelerates deployment and ensures consistent power delivery. Benefit: Rapid roll-out in under two weeks, 30% lower installation overhead, and unified call quality metrics for regulatory compliance in all EU jurisdictions.
To get the detailed certification, please go to the Compliance Center.
 CP-3905-PWR-CE= |  CP-PWR-CUBE-3= |  CP-PWR-CUBE-5= |  CP-PWR-CUBE-4= |  CP-DSKCH-7925G-BUN | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 400W | 850W | 600W | 550W | 850W |
| Use Case | Gaming | Gaming / Workstation | Gaming | Gaming | Gaming / Workstation / General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Semi-Modular | Modular | Modular | Semi-Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Platinum | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | UL | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | N/A |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 94% | 94% | 94% | 92% | 92% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP, OVP, UVP, SCP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 2 |
| PCIe (6+2) Connectors | 2 | 4 | 2 | 2 | 4 |
| SATA Power Connectors | 4 | 6 | 6 | 6 | 8 |
| Molex Connectors | 2 | 3 | 2 | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Sleeved | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | CP-3905-PWR-CE= Power Supply | CP-PWR-CUBE-3= 850W ATX Modular Power Supply | CP-PWR-CUBE-5= | CP-PWR-CUBE-4= | CP-DSKCH-7925G-BUN |
| Height | 5 inches | 5.5 inches | 5 inches | 5 inches | 5.0 inches |
| Width | 6 inches | 8.6 inches | 6 inches | 6 inches | 7.0 inches |
| Depth | 9 inches | 5.4 inches | 7 inches | 3 inches | 6.5 inches |
| Weight | 3 lbs | 4.5 lbs | 4 lbs | 4 lbs | 4.5 lbs |
Correct adapter for our phones. Stable power delivery with no heating issues.
Worked immediately after plug in. Reliable replacement power supply.
Good quality adapter that meets European standards.
No power interruptions since installation. Solid build.
Dependable accessory for keeping phones operational.
The PWR-ADAPT-FOR-UNIFIED-SIP PH13905 Europe is an authentic Cisco power adapter engineered to deliver stable DC power to Cisco Unified SIP Phone 3905 units in European regions.
This adapter is specifically designed for the Cisco Unified SIP Phone 3905, ensuring full compatibility and optimal performance.
The adapter accepts a wide AC input range of 100–240 VAC at 50/60 Hz, making it suitable for standard European and international power outlets.
It delivers 48 V DC at up to 0.38 A (18 W), matching Cisco specifications for reliable phone operation.