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PWR-C49M-1000AC/2
Cisco 4900M Switch PWR-C49M-1000AC/2
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PWR-C49M-1000AC/2 is a high-performance 1000W ATX power supply designed with full modularity for clean cable management and ease of installation. It features an 80 PLUS Platinum certification, operates on a 100–240V input voltage, and utilizes Active PFC to ensure optimal power delivery while maintaining high efficiency.
Engineered with a 120mm fan using a fluid dynamic bearing for quieter operation, the unit comes equipped with essential protections including OCP, OVP, and SCP. It supplies a robust array of connectors with 1 ATX 24-pin, 2 EPS 4+4 pin, 2 PCIe (6+2) connectors, and 8 SATA power connectors, making it ideal for gaming rigs, high-performance workstations, and server applications.
PWR-C49M-1000AC/2 price is $440.00, a 56% saving from the Cisco list price of $1,000.00. PWR-C49M-1000AC/2 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PWR-C49M-1000AC/2 for additional pricing. Browse the full Catalyst 4900 Power Supplies series or explore all Cisco products.
In a large-scale enterprise campus network, deploying the PWR-C49M-1000AC/2 power supply in dual-redundant configuration on Cisco 4900M Switch chassis guarantees uninterrupted AC power to critical aggregation ports. The hot-swappable design and built-in load balancing deliver 99.999% uptime, fulfill stringent SLA requirements, and eliminate single points of failure for seamless business-critical connectivity.
At a hyperscale data center, integrating the PWR-C49M-1000AC/2 into each Cisco 4900M Switch at the top-of-rack layer supports power-hungry 10GbE and converged virtualization traffic. With 1,000W of efficient AC output and fault-tolerant redundancy, this solution prevents costly network outages, optimizes rack power distribution, and accelerates maintenance by enabling live replacement without service disruption.
For remote branch offices or edge telecom sites, the PWR-C49M-1000AC/2 in a Cisco 4900M Switch chassis provides modular, hot-swappable AC power to sustain voice, video, and IoT services. The streamlined form factor and automatic failover capability reduce mean time to repair (MTTR), simplify on-site maintenance, and ensure continuous network operations in environments with limited technical support.
To get the detailed certification, please go to the Compliance Center.
| PWR-C49M-1000AC/2 |  PWR-C49M-1000AC |  PWR-C49E-300AC-R/2 |  PWR-C49M-1000DC/2 |  PWR-C49E-300AC-F/2 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 1000W | 1000W | 300W | 1000W | 300W |
| Use Case | Gaming | Gaming / Workstation | General Use | Gaming / Workstation / Server | Gaming / Workstation / General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Non-Modular | Modular | Non-Modular |
| 80 PLUS Certification | Platinum | Gold | Bronze | Gold | Bronze |
| 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 / UL / ROHS | 80 PLUS, CE, FCC, RoHS |
| Remote Monitoring | N/A | 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 | Fluid Dynamic | Fluid Dynamic | Sleeve | Fluid Dynamic | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 85% | 92% | 85% |
| Protections | OCP, OVP, SCP | OCP, OVP, SCP, OTP, OPP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP, OVP, UVP, SCP, OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 2 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | 4 | N/A | 3 | N/A |
| SATA Power Connectors | 8 | 8 | 4 | 6 | 4 |
| Molex Connectors | 4 | 4 | 2 | 4 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Sleeved | Flat | Sleeved | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 40°C | 50°C | 40°C |
| Product Name | PWR-C49M-1000AC/2 | PWR-C49M-1000AC | PWR-C49E-300AC-R/2 | PWR-C49M-1000DC/2 | PWR-C49E-300AC-F/2 |
| Height | 5.5 inches | 5.5 inches | 3.4 inches | 3.4 inches | 5.5 inches |
| Width | 6.3 inches | 6.3 inches | 5.9 inches | 5.9 inches | 5.9 inches |
| Depth | 8.1 inches | 9.8 inches | 5.5 inches | 5.5 inches | 3.4 inches |
| Weight | 6.5 lbs | 6.6 lbs | 3.5 lbs | 6.4 lbs | 4.4 lbs |
This redundant AC power supply adds valuable resilience. It integrates smoothly and ensures continuous uptime for our switch.
The PWR-C49M-1000AC/2 works perfectly as a secondary unit. Power stability has been excellent.
Easy to install and dependable. This second power supply has strengthened our high-availability configuration.
Reliable redundancy option. It delivers consistent power and supports uninterrupted network operations.
A great addition for failover support. It performs exactly as expected in our enterprise environment.
The Cisco PWR-C49M-1000AC/2 is a 1000W AC redundant power supply module designed specifically for Cisco Catalyst 4900M series switches.
The PWR-C49M-1000AC/2 is compatible with Cisco Catalyst 4900M series switches, including models WS-C4948E, WS-C4948, WS-C4948, and WS-C4906.
It supports an input voltage range of 100–240 VAC at 50–60 Hz, enabling global deployment without the need for voltage converters.
Yes, the module supports N+1 redundancy when paired with a second identical power supply, ensuring uninterrupted switch operation during a single unit failure.
Yes, the PWR-C49M-1000AC/2 is hot-swappable, allowing you to replace or upgrade it without powering down the switch.
The module is a 1U rack-mountable unit measuring 44.6 mm × 219.4 mm × 392.5 mm (H×W×D) and weighs approximately 5 kg.
The PWR-C49M-1000AC/2 has an MTBF of approximately 200,000 hours under standard operating conditions.
This power supply operates reliably between 0 °C and 45 °C (32 °F to 113 °F) with relative humidity of 5% to 85%, non-condensing.
The unit is UL/CSA/CE/CB certified for safety and FCC Part 15 Class A, CISPR 22 Class A for emissions, ensuring compliance in global data centers.
Cisco offers a limited lifetime warranty on the PWR-C49M-1000AC/2, including next-business-day replacement through Cisco’s Advance Hardware Replacement service.
Slide the power supply into the empty PSU bay until it clicks, secure with the provided latch, and connect an AC power cord to an appropriate outlet.
Yes, the module integrates with Cisco IOS SNMP and CLI tools to report status, load, and redundancy information for remote monitoring.
You can buy genuine modules through Cisco-authorized partners, the Cisco Commerce Workspace, or the official Cisco online store.
Check system logs via the switch CLI, verify AC input voltage, ensure proper seating, and replace faulty modules using the hot-swap procedure.
No specific software is required; however, running the latest Cisco IOS version on your Catalyst 4900M ensures full feature compatibility and monitoring.
Detailed installation guides, data sheets, and configuration references are available on Cisco’s official website under the Catalyst 4900M documentation section.
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