United States$5,000,000+
Inventory Delivered By
J
Julian Mercer
5
This secondary power supply added valuable redundancy to our Catalyst 4948E. It integrated seamlessly and performs reliably.
PWR-C49E-300AC-R/2
Catalyst 4948E switch PWR-C49E-300AC-R/2
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Name:
PWR-C49E-300AC-R/2
- Description:
- Catalyst 4948E switch PWR-C49E-300AC-R/2
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818216450607
- Condition:
- Warranty:
- 3
- List Price:
$500.00
- Price:
$337.0032.6% off
Quantity:
1
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PWR-C49E-300AC-R/2 Overview
PWR-C49E-300AC-R/2 is a 300W power supply built in an ATX form factor that features a non-modular design and proudly carries an 80 PLUS Bronze certification. It accepts a wide input voltage range of 100–240V and employs active PFC, ensuring reliable conversion efficiency while its 120mm fan with a sleeve bearing and zero RPM mode contributes to both effective cooling and low noise levels.
Engineered with robust build quality, this unit is equipped with comprehensive protective features including OCP, OVP, SCP, and OTP. It comes with essential connectivity such as one ATX 24-pin connector, one EPS (CPU) 4+4 pin connector, four SATA power connectors, and two Molex connectors, making it suitable for a variety of applications from gaming rigs and workstations to light server configurations.
PWR-C49E-300AC-R/2 price is $337.00, a 32.6% saving from the Cisco list price of $500.00. PWR-C49E-300AC-R/2 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PWR-C49E-300AC-R/2 for additional pricing. Browse the full Catalyst 4900 Power Supplies series or explore all Cisco products.
PWR-C49E-300AC-R/2 Specifications
- Product Type
- Power Supply
- Wattage
- 300W
- Use Case
- General Use
- Form Factor
- ATX
- Modularity
- Non-Modular
- 80 PLUS Certification
- Bronze
- 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
- Sleeve
- Zero RPM Mode
- Yes
- Efficiency Rating
- 85%
- Protections
- OCP / OVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- N/A
- SATA Power Connectors
- 4
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Flat
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 100,000 hours
- Operating Temperature
- 40°C
- Product Name
- PWR-C49E-300AC-R/2
- Height
- 3.4 inches
- Width
- 5.9 inches
- Depth
- 5.5 inches
- Weight
- 3.5 lbs
PWR-C49E-300AC-R/2 Use Case
High-Availability Power Redundancy for Catalyst 4948E switch PWR-C49E-300AC-R/2 in Enterprise Core Networks
A global financial services firm deploys Cisco Catalyst 4948E switch with dual PWR-C49E-300AC-R/2 power supplies to sustain core distribution-layer connectivity during primary AC failures. This redundant power architecture delivers 99.999% network uptime, removes single points of failure and ensures seamless business continuity under maintenance or power fluctuations.
Resilient PoE+ Power Delivery for IP Surveillance with Catalyst 4948E switch PWR-C49E-300AC-R/2
A national retail chain equips its store network with Cisco Catalyst 4948E switch and PWR-C49E-300AC-R/2 redundant modules to power 48 high-definition IP cameras via PoE+. This solution guarantees uninterrupted video streaming and continuous loss-prevention monitoring during AC feed interruptions, streamlines centralized management and reduces security blind spots.
Critical Healthcare Network Stability using Catalyst 4948E switch PWR-C49E-300AC-R/2 Redundant Power
A major hospital integrates Cisco Catalyst 4948E switch with dual PWR-C49E-300AC-R/2 power supplies to support life-critical medical devices and IP phones. The redundant power design minimizes downtime, upholds HIPAA-compliant availability standards and safeguards continuous operation of patient monitoring and emergency communication systems.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 PWR-C49E-300AC-R/2 |  PWR-C49M-1000AC |  PWR-C49M-1000DC |  PWR-C49E-300AC-R= |  PWR-C49M-1000DC/2 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 300W | 1000W | 1000W | 300W | 1000W |
| Use Case | General Use | Gaming / Workstation | Gaming / Workstation / Server / Enterprise Server / Data Center | General Use | Gaming / Workstation / Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Non-Modular | Modular | Modular | Non-Modular | Modular |
| 80 PLUS Certification | Bronze | Gold | Gold | 80 PLUS | Gold |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | 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 | Sleeve | Fluid Dynamic | Fluid Dynamic | Sleeve | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | No | Yes |
| Efficiency Rating | 85% | 92% | 94% | 87% | 92% |
| Protections | OCP / OVP / SCP / OTP | OCP, OVP, SCP, OTP, OPP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 2 |
| PCIe (6+2) Connectors | N/A | 4 | 4 | N/A | 3 |
| SATA Power Connectors | 4 | 8 | 6 | 4 | 6 |
| Molex Connectors | 2 | 4 | 4 | 1 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Sleeved | Sleeved | Flat | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours |
| Operating Temperature | 40°C | 50°C | 40°C | 40°C | 50°C |
| Product Name | PWR-C49E-300AC-R/2 | PWR-C49M-1000AC | PWR-C49M-1000DC | PWR-C49E-300AC-R= | PWR-C49M-1000DC/2 |
| Height | 3.4 inches | 5.5 inches | 5.5 inches | 5 inches | 3.4 inches |
| Width | 5.9 inches | 6.3 inches | 6.0 inches | 6 inches | 5.9 inches |
| Depth | 5.5 inches | 9.8 inches | 10.0 inches | 7 inches | 5.5 inches |
| Weight | 3.5 lbs | 6.6 lbs | 8.0 lbs | 3 lbs | 6.4 lbs |
Reviews & Ratings
S
Samantha Doyle
4
The /2 power supply works perfectly as a backup unit, giving us peace of mind for critical network uptime.
P
Peter Vaughn
5
Easy to install and dependable. This redundant supply ensures continuous operation during maintenance or power issues.
N
Nadia Hussein
3
We added this as a secondary unit, and it has performed flawlessly alongside the primary power supply.
C
Colin Matthews
4
A reliable redundancy option that supports high availability in our switching environment.
Questions & Answers
What is the PWR-C49E-300AC-R/2 power supply?
The PWR-C49E-300AC-R/2 is a 300W AC hot-swappable redundant power supply module designed for Cisco Catalyst 4948E switches.
Which Catalyst 4948E switch models are compatible with PWR-C49E-300AC-R/2?
This module is compatible with Cisco Catalyst 4948E, 4948E-F, and any chassis that accept the C49E-series power supply.
What is the output power rating of PWR-C49E-300AC-R/2?
The PWR-C49E-300AC-R/2 delivers up to 300 watts of DC power to your Catalyst 4948E switch.
What input voltage range does PWR-C49E-300AC-R/2 support?
It supports an auto-sensing AC input from 100 to 240 VAC at 50–60 Hz.