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Isaiah Thornton
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Reliable power transformer for Cisco 89/9900 series phones. Stable voltage and dependable performance.
CP-PWR-CUBE-4
IP Phone power transformer for the 89/9900 phone series
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Name:
CP-PWR-CUBE-4
- Description:
- IP Phone power transformer for the 89/9900 phone series
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818260893399
- Condition:
- Warranty:
- 3
- List Price:
$89.00
- Price:
$23.0074.2% off
Quantity:
1
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CP-PWR-CUBE-4 Overview
CP-PWR-CUBE-4 is a 600W, Modular, ATX power supply that delivers high efficiency with its 80 PLUS Gold certification and active PFC, operating across a wide input voltage range of 100–240V. Engineered with a 120mm fluid dynamic fan and built to strict standards, it incorporates robust protections including OCP, OVP, UVP, SCP, and OTP to ensure reliable performance under heavy loads.
Designed for demanding applications such as gaming, workstations, and server setups, CP-PWR-CUBE-4 provides dedicated connectivity with 1 ATX 24-Pin, 1 EPS 4+4 Pin, 2 PCIe (6+2) connectors, 6 SATA power connectors, and 3 Molex connectors. With a 90% efficiency rating, sleeved cables, and low noise levels, this power supply delivers exceptional build quality and consistent performance in even the most challenging environments.
CP-PWR-CUBE-4 price is $23.00, a 74.2% saving from the Cisco list price of $89.00. CP-PWR-CUBE-4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CP-PWR-CUBE-4 for additional pricing. Browse the full Power Adapters series or explore all Cisco products.
CP-PWR-CUBE-4 Specifications
- Product Type
- Power Supply
- Wattage
- 600W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / UL / ROHS
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 90%
- Protections
- OCP / OVP / UVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 3
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- CP-PWR-CUBE-4
- Height
- 5 inches
- Width
- 6 inches
- Depth
- 10 inches
- Weight
- 8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CP-PWR-CUBE-4 |  CP-PWR-8821-KR= |  CP-682X-PWR-UR= |  CP-PWR-8821-NA= |  ASA5506H-PWR-AC= | |
|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Platinum | Gold | None |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | N/A |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Flat |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS, CE, FCC, UL, RoHS | 80 PLUS / CE / FCC / UL / ROHS | UL | CE / FCC / UL / RoHS |
| Depth | 10 inches | 9.8 inches | 8.0 inches | 7.5 inches | 5.3 inches |
| EPS (CPU) 4+4 Pin | 1 | 2 | 2 | 2 | N/A |
| Efficiency Rating | 90% | 92% | 96% | 94% | 80% |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Dual Ball | Fluid Dynamic | Ball |
| Fan Size | 120mm | 120mm | 140mm | 120mm | 80mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | N/A |
| Height | 5 inches | 5.1 inches | 5.5 inches | 5.1 inches | 1.2 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Modularity | Modular | Modular | Modular | Semi-Modular | Non-Modular |
| Molex Connectors | 3 | 4 | 4 | 3 | N/A |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 2 | 4 | 4 | 2 | N/A |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | CP-PWR-CUBE-4 | CP-PWR-8821-KR= | CP-682X-PWR-UR= | CP-PWR-8821-NA= | Cisco ASA5506H AC Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP, OVP, UVP, SCP, OTP | OCP, OVP, SCP, OTP | OCP, OVP, SCP | OCP / OVP / UVP / SCP / OTP |
| RGB Lighting | No | No | No | No | No |
| Rail Configuration | Single Rail | Multi Rail | Multi Rail | Single Rail | N/A |
| Remote Monitoring | No | No | No | No | No |
| SATA Power Connectors | 6 | 8 | 8 | 6 | N/A |
| Use Case | Gaming | Gaming / Workstation / Server | Gaming / Workstation | Workstation / Gaming | General Use |
| Wattage | 600W | 850W | 1600W | 850W | 250W |
| Weight | 8 lbs | 4.8 lbs | 7.2 lbs | 8.5 lbs | 2.5 lbs |
| Width | 6 inches | 6.3 inches | 6.5 inches | 5.9 inches | 5.0 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | No |
Reviews & Ratings
C
Connor Whitfield
4
Easy installation and consistent power supply for IP phones.
J
Julian Crawford
5
Durable Cisco power cube with reliable output.
P
Parker Langley
3
Perfect replacement unit for enterprise phone systems.
R
Ryan Caldwell
4
Stable and efficient performance in office environment.
D
Dylan Fairbanks
5
Professional-grade Cisco transformer with excellent reliability.
Questions & Answers
What is the CP-PWR-CUBE-4 power transformer?
The Cisco CP-PWR-CUBE-4 is an inline power cube that converts 100–240V AC to 48V DC to power Cisco IP Phone 8900 and 9900 series devices.
Which Cisco IP Phone models are compatible with the CP-PWR-CUBE-4?
The CP-PWR-CUBE-4 is fully compatible with Cisco IP Phone 8900 series (e.g., 8941, 8945) and 9900 series (e.g., 9951, 9971) models.
What are the electrical specifications of the CP-PWR-CUBE-4?
The CP-PWR-CUBE-4 accepts 100–240V AC at 50–60 Hz and delivers 48V DC at up to 0.6 A (28.8 W) output.
Is the CP-PWR-CUBE-4 an authentic Cisco product?
Yes, the CP-PWR-CUBE-4 is a genuine Cisco accessory manufactured to Cisco’s quality, safety and performance standards.