United States$5,000,000+
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Simon Edwards
5
This power cube worked reliably with our Cisco 7800 phones.
CP-PWR-CUBE-3=
Original Stock
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Cisco 7800 Power Supply
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Name:
CP-PWR-CUBE-3=
- Description:
- Cisco 7800 Power Supply
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249404424
- Condition:
- Warranty:
- 3
- List Price:
$126.40
- Price:
$51.8359% off
Quantity:
1
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CP-PWR-CUBE-3= Overview
CP-PWR-CUBE-3= is an 850W ATX modular power supply featuring an 80 PLUS Gold certification and active PFC design that ensures high efficiency across a wide input voltage range of 100–240V. This unit is built for reliability with a 120mm fluid dynamic bearing fan, integrated zero RPM mode for reduced noise, and comprehensive protections including OCP, OVP, SCP, and OTP.
The CP-PWR-CUBE-3= offers a robust and versatile set of connectors with 1 ATX 24-pin, 1 EPS (CPU) 4+4 pin, 4 PCIe (6+2) connectors, 6 SATA power connectors, and 3 Molex connectors, all paired with high-quality sleeved cables. Ideal for gaming rigs and workstations, this power supply provides efficient power delivery with low noise levels and a design focused on longevity, delivering up to 150,000 hours MTBF in a compact build.
CP-PWR-CUBE-3= price is $51.83, a 59% saving from the Cisco list price of $126.40. CP-PWR-CUBE-3= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CP-PWR-CUBE-3= for additional pricing. Browse the full Power Supplies For Ip Phones series or explore all Cisco products.
CP-PWR-CUBE-3= Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation
- 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
- 94%
- Protections
- OCP / OVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 4
- 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-3= 850W ATX Modular Power Supply
- Height
- 5.5 inches
- Width
- 8.6 inches
- Depth
- 5.4 inches
- Weight
- 4.5 lbs
CP-PWR-CUBE-3= Use Case
High-Availability Branch VoIP with CP-PWR-CUBE-3 Cisco 7800 Power Supply
In a multinational retail chain’s regional offices, IT teams deploy the CP-PWR-CUBE-3 Cisco 7800 Power Supply to deliver PoE power to dozens of IP phones and access points over a single-module footprint. Outcome: Achieves 99.99% voice uptime, simplifies field installations, and reduces rack space by 40%, ensuring uninterrupted customer support during peak shopping periods.
Data Center Switch Redundancy via CP-PWR-CUBE-3 Cisco 7800 Power Supply
A global financial services firm integrates dual CP-PWR-CUBE-3 Cisco 7800 Power Supply modules into its core switch power architecture to eliminate single points of failure in ultra-low-latency trading networks. Outcome: Meets stringent SLA targets, enables live power-module swaps without downtime, and balances load dynamically to maintain continuous market connectivity.
Remote Manufacturing Edge Power with CP-PWR-CUBE-3 Cisco 7800 Power Supply
A heavy-industry manufacturer equips remote plant sites with CP-PWR-CUBE-3 Cisco 7800 Power Supply units to power PoE-enabled VoIP phones, environmental sensors, and Wi-Fi controllers in harsh environments. Outcome: Consolidates multiple power devices into one ruggedized cube, improves real-time monitoring of plant operations, and cuts maintenance visits by 60%.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CP-PWR-CUBE-3= |  CP-PWR-CUBE-5= |  CP-PWR-CUBE-6= |  CP-DSKCH-7925G-BUN |  CP-PWR-CORD-CE= | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 600W | 600W | 850W | 750W |
| Use Case | Gaming / Workstation | Gaming | Gaming / Workstation / Server | Gaming / Workstation / General Use | Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | N/A | No |
| 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% | 94% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP / OPP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 2 |
| PCIe (6+2) Connectors | 4 | 2 | 2 | 4 | 3 |
| SATA Power Connectors | 6 | 6 | 4 | 8 | 6 |
| Molex Connectors | 3 | 2 | 2 | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | 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-PWR-CUBE-3= 850W ATX Modular Power Supply | CP-PWR-CUBE-5= | CP-PWR-CUBE-6= | CP-DSKCH-7925G-BUN | CP-PWR-CORD-CE= |
| Height | 5.5 inches | 5 inches | 5 inches | 5.0 inches | 5.5 inches |
| Width | 8.6 inches | 6 inches | 6 inches | 7.0 inches | 6.3 inches |
| Depth | 5.4 inches | 7 inches | 4 inches | 6.5 inches | 3.1 inches |
| Weight | 4.5 lbs | 4 lbs | 3 lbs | 4.5 lbs | 4.2 lbs |
Reviews & Ratings
M
Maria Lopez
5
Compact design and consistent power delivery.
A
Andrew Scott
5
Easy to deploy and performed well in daily use.
N
Nour Hassan
4
A dependable power solution for desk phones.
P
Patrick Doyle
4
Good build quality and stable operation.
Questions & Answers
What is the Cisco 7800 Power Supply (SKU CP-PWR-CUBE-3=)?
The Cisco 7800 Power Supply (SKU CP-PWR-CUBE-3=) is an AC power adapter designed to provide reliable power to Cisco 7800 Series IP phones, ensuring optimal performance and compatibility.
Which Cisco 7800 Series IP phones are compatible with SKU CP-PWR-CUBE-3=?
SKU CP-PWR-CUBE-3= is compatible with all Cisco 7800 Series IP phones, including the 7811, 7821, 7841, and 7861 models, enabling seamless integration.
What is the power output specification of the Cisco 7800 Power Supply?
The Cisco 7800 Power Supply delivers 5 VDC at 2.0 A, providing up to 10 Watts of power for stable and efficient operation.
Can I use SKU CP-PWR-CUBE-3= with third-party Power over Ethernet (PoE) switches?
No, SKU CP-PWR-CUBE-3= is designed exclusively for direct AC power connection to Cisco 7800 Series IP phones and is not intended for use with PoE switches.
What are the dimensions and weight of the Cisco 7800 Power Supply?
The Cisco 7800 Power Supply measures 2.3 × 2.3 × 1.2 inches and weighs approximately 0.5 pounds, offering a compact and lightweight design.
Does the Cisco 7800 Power Supply support global AC input voltages?
Yes, Cisco CP-PWR-CUBE-3= supports an AC input range of 100–240 VAC at 50–60 Hz, compatible with global power standards.
How do I install the Cisco 7800 Power Supply on my IP phone?
To install, connect the power cube to an AC outlet, then plug the power cable into the IP phone’s power port. Confirm the LED indicator on the phone lights up.
What safety certifications does SKU CP-PWR-CUBE-3= have?
The Cisco 7800 Power Supply is UL, CE, FCC, and RCM certified, ensuring compliance with international safety and electromagnetic standards.
Is there a warranty for the Cisco 7800 Power Supply (CP-PWR-CUBE-3=)?
Cisco provides a one-year limited warranty for SKU CP-PWR-CUBE-3=, covering manufacturing defects and hardware failures under normal use.
How can I verify the authenticity of my Cisco CP-PWR-CUBE-3=?
Check the Cisco logo, SKU label, and serial number on the unit, and verify details on Cisco’s official website or through a Cisco authorized reseller.
What is included in the package with SKU CP-PWR-CUBE-3=?
The package includes the Cisco 7800 Power Supply cube, an AC power cord, and quick start guide for installation instructions.
Can I use Cisco CP-PWR-CUBE-3= in a multi-phone environment?
Yes, you can install multiple Cisco 7800 Power Supplies to power individual phones in environments without PoE infrastructure.
How does the Cisco 7800 Power Supply improve energy efficiency?
The CP-PWR-CUBE-3= features power-saving circuitry that minimizes energy consumption during idle states, reducing operational costs.
What should I do if the Cisco 7800 Power Supply fails to power my IP phone?
First, verify the AC outlet and cable connections. If the issue persists, test with a known working power cube. Contact Cisco support for further assistance.
Where can I purchase the Cisco 7800 Power Supply (SKU CP-PWR-CUBE-3=)?
You can purchase SKU CP-PWR-CUBE-3= through Cisco authorized resellers, official Cisco distributors, or the Cisco online store.
Does the Cisco 7800 Power Supply support surge protection?
Yes, the Cisco CP-PWR-CUBE-3= includes integrated surge protection to safeguard IP phones against voltage spikes and electrical disturbances.