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PWR-C49M-1000DC/2
Cisco 4900M Switch PWR-C49M-1000DC/2
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PWR-C49M-1000DC/2 is a 1000W ATX power supply designed to deliver exceptional performance and reliability. This modular unit features an 80 PLUS Gold certification, supports a wide input voltage range of 100–240V, and incorporates Active PFC to ensure stable and efficient power conversion. It comes equipped with a robust 120mm fan utilizing a Fluid Dynamic bearing, and it offers comprehensive protections including OCP, OVP, and SCP.
Engineered with high build quality and low noise levels in mind, the PWR-C49M-1000DC/2 boasts a complete array of connectors including 1 ATX 24-pin, 2 EPS (CPU) 4+4 pin, 3 PCIe (6+2) for graphics, and 6 SATA power connectors, complemented by 4 Molex connectors for legacy components. This power supply is ideally suited for high-performance gaming rigs, workstations, and server environments where stability, efficiency, and modular cable management are critical.
PWR-C49M-1000DC/2 price is $661.00, a 55.9% saving from the Cisco list price of $1,500.00. PWR-C49M-1000DC/2 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PWR-C49M-1000DC/2 for additional pricing. Browse the full Catalyst 4900 Power Supplies series or explore all Cisco products.
In a large financial services data center, IT operations deploy the PWR-C49M-1000DC/2 in dual power-supply Cisco 4900M switches to achieve N+1 redundancy on 48 VDC feeds. By hot-swapping failed modules without interrupting active links, the solution ensures zero unplanned downtime, maintains SLA compliance for transaction processing, and reduces mean time to repair (MTTR) by 75%.
A regional telecom operator installs the PWR-C49M-1000DC/2 in Cisco 4900M routers at cell-site aggregation hubs powered by battery-banked 48 VDC. The module’s high-efficiency conversion and hot-swap capability deliver uninterrupted backhaul for 5G traffic, guaranteeing continuous voice and data service during grid failures and optimizing network availability above 99.999%.
An oil & gas utility integrates the PWR-C49M-1000DC/2 into Cisco 4900M switches in remote SCADA substations running on 48 VDC supply. The ruggedized power module supports hot-insertion under load and real-time power monitoring, delivering consistent network uptime for control-system telemetry, reducing field-service interventions by 60%, and ensuring safe, uninterrupted process monitoring.
To get the detailed certification, please go to the Compliance Center.
| PWR-C49M-1000DC/2 |  PWR-C49M-1000AC |  PWR-C49E-300AC-F/2 |  PWR-C49M-1000AC/2 |  PWR-C49E-300AC-R= | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 1000W | 1000W | 300W | 1000W | 300W |
| Use Case | Gaming / Workstation / Server | Gaming / Workstation | Gaming / Workstation / General Use | Gaming | General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Non-Modular | Modular | Non-Modular |
| 80 PLUS Certification | Gold | Gold | Bronze | Platinum | 80 PLUS |
| 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, RoHS | 80 PLUS, CE, FCC, UL, RoHS | 80 PLUS / CE / FCC / 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 | Sleeve | Fluid Dynamic | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes | Yes | No |
| Efficiency Rating | 92% | 92% | 85% | 92% | 87% |
| Protections | OCP / OVP / SCP | 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 | 2 | 2 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 3 | 4 | N/A | 2 | N/A |
| SATA Power Connectors | 6 | 8 | 4 | 8 | 4 |
| Molex Connectors | 4 | 4 | 2 | 4 | 1 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Flat | Flat | 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-1000DC/2 | PWR-C49M-1000AC | PWR-C49E-300AC-F/2 | PWR-C49M-1000AC/2 | PWR-C49E-300AC-R= |
| Height | 3.4 inches | 5.5 inches | 5.5 inches | 5.5 inches | 5 inches |
| Width | 5.9 inches | 6.3 inches | 5.9 inches | 6.3 inches | 6 inches |
| Depth | 5.5 inches | 9.8 inches | 3.4 inches | 8.1 inches | 7 inches |
| Weight | 6.4 lbs | 6.6 lbs | 4.4 lbs | 6.5 lbs | 3 lbs |
This secondary DC power supply provides excellent redundancy. It ensures our switch remains operational at all times.
The PWR-C49M-1000DC/2 has been dependable as a backup unit. Integration was simple and performance is stable.
Reliable redundant DC power option. It supports our high-availability design without complications.
We added this as a second DC supply, and it has worked perfectly. Power delivery is consistent.
A dependable redundant power supply. It strengthens our infrastructure and supports uninterrupted operations.
The Cisco PWR-C49M-1000DC/2 is a 1000W DC power supply module engineered for the Cisco 4900M Switch, delivering reliable, high-efficiency power to critical networking equipment.
This module is compatible exclusively with the Cisco 4900M Series Switches and is not supported on other Catalyst or Nexus platforms.
The PWR-C49M-1000DC/2 accepts a nominal DC input of –40 to –72 V and operates efficiently across that voltage span.
It delivers a continuous 1000W output to the 4900M switch, ensuring stable operation under full load.
Yes. The module supports hot-swap installation and removal, enabling zero-downtime maintenance.
Yes. You can install two modules in parallel to enable full N+1 redundancy for mission-critical resilience.
The power supply measures 43 mm × 146 mm × 305 mm (H×W×D), fitting standard 4900M chassis bays.
It operates reliably between 0°C and 40°C (32°F to 104°F), suitable for most data-center environments.
This module is UL, CE, FCC, and RoHS compliant, meeting global safety and environmental standards.
The PWR-C49M-1000DC/2 has an MTBF of over 250,000 hours under normal operating conditions.
Slide the module into the rear power bay until it clicks, connect your DC feed to the terminal block, and verify status LEDs for healthy operation.
Check LED indicators (green=OK, amber=fault), verify DC input voltage, ensure proper seating, and review switch logs for error details.
Cisco provides a limited lifetime warranty covering manufacturing defects, with advanced replacement options under Cisco SMARTnet™ agreements.
Cisco recommends using certified Cisco DC cables to ensure proper fit, compliance, and uninterrupted power delivery.
Authorized Cisco partners and resellers stock the PWR-C49M-1000DC/2; you can also order directly through Cisco’s online store.
Follow local electronic waste regulations. Cisco offers recycling programs to safely reclaim and recycle end-of-life modules.
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