What Is the CP-6800-PWR-CE=?: High-Capacity Power Design, Redundancy, and Catalyst Compatibility



Core Role in Cisco Power Infrastructure

The ​​CP-6800-PWR-CE=​​ is a ​​6800W AC power supply unit​​ designed for Cisco Catalyst 9400 and 9500 Series switches. Tailored for environments requiring ​​massive power delivery​​, it supports high-density PoE++ (90W per port) deployments, such as industrial IoT hubs, stadium Wi-Fi 6E networks, and AI-driven surveillance systems with hundreds of connected endpoints.


​Technical Specifications and Operational Advantages​

  • ​Output Capacity​​: Delivers ​​6800W total power​​ at 94% efficiency, reducing operational costs in always-on environments.
  • ​PoE++ Budget​​: Allocates up to ​​3840W​​ for PoE++ devices, enabling 42 ports at 90W each—ideal for powering PTZ cameras, digital signage, and 802.11bt access points.
  • ​Dual-Input Redundancy​​: Supports AC or DC input sources, allowing hybrid power configurations for critical infrastructure (e.g., hospitals, manufacturing plants).

CP-6800-PWR-CE= vs. CP-3905-PWR-CN=: Scaling for High-Density Needs

Feature CP-6800-PWR-CE= CP-3905-PWR-CN=
​Max Output​ 6800W 3905W
​PoE Budget​ 3840W 1440W
​Input Flexibility​ AC/DC dual-source AC-only
​Use Case​ Mega-scale PoE++/industrial edge Enterprise campus core

The ​​CP-6800-PWR-CE=​​ is engineered for ​​hyper-scale PoE demands​​, while the 3905W model suits smaller deployments with moderate power requirements.


Addressing Critical Deployment Questions

​Q: Is this PSU backward-compatible with Catalyst 9300 chassis?​
A: No—it requires the Catalyst 9400/9500 Series’ ​​expanded power shelf​​ and Enhanced PoE capabilities. Mismatched installations risk overcurrent faults.

​Q: How to verify authenticity when purchasing?​
A: Source directly from [“CP-6800-PWR-CE=” link to (https://itmall.sale/product-category/cisco/) to ensure compliance with Cisco’s hardware warranties and safety certifications.


Strategic Planning for High-Power Environments

While the CP-6800-PWR-CE= offers unparalleled capacity, its ​​size and heat output​​ demand careful thermal management. Deployments in confined spaces should incorporate auxiliary cooling (e.g., rack-mounted fans) to prevent thermal throttling. Additionally, teams must calculate ​​peak concurrent usage​​—not just per-port averages—to avoid tripping circuit breakers during traffic surges.


The Hidden Cost of Under-Provisioning

In large-scale IoT or smart city projects, underestimating power needs leads to ​​costly retrofits​​ within 12–18 months. The CP-6800-PWR-CE=’s dual-input redundancy and massive PoE budget may seem excessive initially, but they provide critical headroom for unplanned device expansions. From firsthand experience, networks that “right-size” power infrastructure often face 50% higher TCO due to mid-cycle upgrades—a risk this PSU mitigates decisively.

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