Are there any known firmware-related stability issues or performance regressions reported by users of the CH Lenov| R power supply after recent updates?

There are no widely reported firmware-related stability or performance issues with the Lenovo ThinkSystem 800W Redundant Power Supply following recent updates. This model supports hot-swappable operation and works with standard 120 V AC or 230 V AC power inputs, ensuring reliable uptime in enterprise environments. If you rely on redundant configurations for critical workloads, keep in mind that firmware updates can sometimes require coordinated updates across systems to avoid unexpected resets. It's a good idea to check Lenovo’s support site for firmware notes and confirm compatibility with your exact ThinkSystem chassis before applying updates.

What input voltage does this ThinkSystem 800W redundant power supply support?

It supports 120 V AC and 230 V AC input voltage.

Is this Lenovo ThinkSystem power supply hot-swappable, so it can be replaced without shutting down the system?

Yes. The product is described as hot-swappable, and the specifications also list it as modular and hot-swappable.

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Lenovo ThinkSystem 800W Redundant Power Supply - Hot-swappable - 120 V AC, 230 V AC Input - 4P57A87054

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Redundant, Hot-swappable
Hot-swappable
120 V AC, 230 V AC

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THINKSYSTEM 800W 230V/115V PLATINUM CRPS HOT-SWAP POWER SUPPLY V 1.1

General
Brand	Lenovo
Model	ThinkSystem 800W Redundant Power Supply
Series	ThinkSystem

Details
Type	Redundant, Hot-swappable
Maximum Power	800 W
Modular	Hot-swappable
Input Voltage	120 V AC, 230 V AC

General
Part Number	4P57A87054

Details
Power Rating	800 W

Additional Information
First Listed on Newegg	October 17, 2026

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