United States$5,000,000+
Inventory Delivered By
C
Carter Hollingsworth
5
8821 power supply for North America charges consistently and feels well-built. Reliable performance for our wireless phone fleet.
CP-PWR-8821-NA=
8821 POWER SUPPLY FOR NORTH AMERICA
FEATURED DEAL
Name:
CP-PWR-8821-NA=
- Description:
- 8821 POWER SUPPLY FOR NORTH AMERICA
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818241530893
- Condition:
- Warranty:
- 3
- List Price:
$60.00
- Price:
$38.0036.7% off
Quantity:
1
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CP-PWR-8821-NA= Overview
CP-PWR-8821-NA= is an 850W power supply that offers a semi-modular design in an ATX form factor. It comes with an official 80 PLUS Gold certification and supports a 100–240V input with Active PFC for efficient power conversion. The unit is equipped with a 120mm fan featuring a fluid dynamic bearing to keep noise levels to a minimum, while overall build quality meets high-end standards for rigorous gaming and workstation use. It is designed with comprehensive protections including OCP, OVP, and SCP to safeguard your components.
This power supply features a robust cable design with sleeved wiring that helps maintain a neat installation while supporting flexible system layouts. With one ATX 24-pin connector, two EPS (CPU) 4+4 connectors, two PCIe (6+2) connectors, six SATA power connectors, and three Molex connectors, it meets diverse connectivity needs. The CP-PWR-8821-NA= is engineered for high reliability with a rated efficiency of 94% and an MTBF of 150,000 hours, making it ideal for demanding gaming and workstation environments.
CP-PWR-8821-NA= price is $38.00, a 36.7% saving from the Cisco list price of $60.00. CP-PWR-8821-NA= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CP-PWR-8821-NA= for additional pricing. Browse the full Power Adapters series or explore all Cisco products.
CP-PWR-8821-NA= Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Workstation / Gaming
- Form Factor
- ATX
- Modularity
- Semi-Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- UL
- 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
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- 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-8821-NA=
- Height
- 5.1 inches
- Width
- 5.9 inches
- Depth
- 7.5 inches
- Weight
- 8.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CP-PWR-8821-NA= |  CP-682X-PWR-AU= |  CP-6800-PWR-NA= |  CP-PWR-8821-CE= |  AIR-PWR-B= | |
|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Mixed | Sleeved | Sleeved |
| Certifications | UL | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Depth | 7.5 inches | 6.3 inches | 8.5 inches | 3.1 inches | 8.5 inches |
| EPS (CPU) 4+4 Pin | 2 | 2 | 2 | 2 | 2 |
| Efficiency Rating | 94% | 92% | 94% | 92% | 94% |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.1 inches | 5.5 inches | 5.5 inches | 5.5 inches | 5.5 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 | Semi-Modular | Semi-Modular | Modular | Modular | Modular |
| Molex Connectors | 3 | 2 | 4 | 3 | 3 |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 4 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | CP-PWR-8821-NA= | CP-682X-PWR-AU= | CP-6800-PWR-NA= | CP-PWR-8821-CE= | AIR-PWR-B= |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP, OVP, SCP | OCP / OVP / SCP / OTP / OPP | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP / OPP |
| RGB Lighting | No | No | No | No | No |
| Rail Configuration | Single Rail | Single Rail | Multi Rail | Multi Rail | Single Rail |
| Remote Monitoring | No | No | No | No | No |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 6 |
| Use Case | Workstation / Gaming | Gaming / Workstation / Server | Workstation / Gaming / Server | Gaming / Workstation | Gaming |
| Wattage | 850W | 750W | 680W | 850W | 650W |
| Weight | 8.5 lbs | 4.5 lbs | 10 lbs | 4.2 lbs | 6.5 lbs |
| Width | 5.9 inches | 5.8 inches | 5.0 inches | 6.3 inches | 5.9 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
Reviews & Ratings
B
Bennett Langridge
4
Perfect replacement PSU for Cisco 8821. Stable charging and no connectivity issues.
G
Graham Winfield
5
Reliable power supply that keeps our charging stations running smoothly.
A
Asher Redmond
5
Easy to install and works exactly as expected. Good enterprise accessory.
N
Nolan Kingsbury
5
Consistent output and durable construction. Ideal for busy office use.
R
Reed Huxley
4
Solid Cisco part with dependable charging performance.
Questions & Answers
What is the CP-PWR-8821-NA power supply?
The CP-PWR-8821-NA is a Cisco-approved AC adapter designed to power the Cisco 8821 Wireless IP Phone in North America.
Which devices are compatible with the CP-PWR-8821-NA?
The CP-PWR-8821-NA is fully compatible with the Cisco 8821 Wireless IP Phone and the Cisco 8821-EX model.
What input voltage range does the CP-PWR-8821-NA support?
It supports 100–240V AC input at 50–60Hz, ensuring reliable operation on North American power outlets.
What are the output voltage and current specifications?
The adapter delivers a regulated 5V DC output at up to 2A, providing stable power for uninterrupted phone operation.
Does the CP-PWR-8821-NA include a power cable?
Yes, the package includes a detachable North American NEMA 1-15P power cord for immediate setup.
Is the CP-PWR-8821-NA safety certified?
Yes, it is UL listed and CSA certified for North American electrical safety compliance.
How do I install the CP-PWR-8821-NA power supply?
Connect the adapter to a standard AC outlet, plug the barrel connector into the Cisco 8821’s power port, and power on the device.
What are the dimensions and weight of the CP-PWR-8821-NA?
The adapter measures 2.9 x 1.6 x 1.1 inches and weighs approximately 4.2 ounces, offering a compact, lightweight design.
Does this power supply offer surge protection?
Yes, the CP-PWR-8821-NA includes built-in surge protection to safeguard your Cisco 8821 phone from voltage spikes.
Can I use the CP-PWR-8821-NA outside North America?
No, the CP-PWR-8821-NA is configured specifically for North American voltage and plug standards.
What is the recommended operating temperature range?
It operates optimally between 0°C to 40°C (32°F to 104°F) to ensure consistent performance.
What warranty does Cisco provide for the CP-PWR-8821-NA?
Cisco backs the CP-PWR-8821-NA with a one-year limited hardware warranty covering defects in materials and workmanship.
How can I troubleshoot power issues?
Verify the AC outlet, inspect the power cable for damage, and ensure the adapter is securely connected to the phone.
Is the CP-PWR-8821-NA energy-efficient?
Yes, it meets DOE Level VI efficiency standards, reducing power consumption in both active and standby modes.
Can this adapter charge the Cisco 8821 battery?
No, the Cisco 8821 uses a separate battery charger; the CP-PWR-8821-NA solely supplies DC power to the phone.
What is the typical lifespan of the CP-PWR-8821-NA?
Under normal conditions, the CP-PWR-8821-NA has an average lifespan of 5–7 years, depending on usage and environment.