Lenovo 4X20E54691 THINKSERVER 800 W GOLD HOT SWAP REDUNDANT POWER SUPPLY FOR TOWER
Lenovo 4X20E54691 THINKSERVER 800 W GOLD HOT SWAP REDUNDANT POWER SUPPLY FOR TOWER
Product images are provided for reference and may not represent the exact model, configuration, or included components.

No Bots, Just Experts

Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Get Free Pre-Sales Support Buy Design Hours ($175/hr)
Description

Lenovo 4X20E54691 800W Gold Hot-Swap Redundant Power Supply

Overview

The Lenovo 4X20E54691 is an 800W Gold-rated, hot-swappable redundant power supply designed to maintain continuous operation for compatible Lenovo tower servers. This unit is critical for deployments where uptime is paramount, preventing data loss or service interruption during a single power supply failure. Its hot-swap capability allows for replacement without powering down the server, minimizing operational downtime.

Compatibility

This power supply is specifically designed for Lenovo ThinkServer tower systems that support redundant power supply configurations. It is engineered to integrate seamlessly with the server chassis, ensuring proper fit and electrical connection. Verify your specific server model's documentation for exact compatibility before purchase.

Installation Notes

The Lenovo 4X20E54691 operates within an AC input voltage range of 90-264V, accommodating global power standards. Its operating temperature range is limited to 10–35 °F, requiring installation in a climate-controlled environment. The relative humidity should be maintained between 10-90% non-condensing. Dimensions are 10.90 x 4.70 x 5.30 inches (L x W x H), with internal measurements of 75.3 mm (W) x 185 mm (D) x 40 mm (H). The unit weighs 2.45 lbs.

Expert Analysis
Specifications
Weight: 2.45 lb
Dimensions: 10.90 x 4.70 x 5.30 in (L x W x H)
Country Origin: MX
Form Factor: Tower
Country Of Origin: MX
Unspsc Code: 39121004
Total power: 800 W
AC input voltage: 90 - 264 V
Purpose: Server
Product colour: Metallic
Operating relative humidity (H-H: 10 - 90%
Operating temperature (T-T: 10 - 35 °F
Width: 75.3 mm
Depth: 185 mm
Height: 40 mm
Redundant power supply (RPS) support: Yes
Q&A
Reviews
Product Video
Have Questions?

Lenovo 4X20E54691 Thinkserver 800 W Gold HOT Swap Redundant Power Supply for Tower

$359.99
Add to Cart

RELATED PRODUCTS

Looking for more Lenovo products? Shop the full Lenovo catalog →

System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

System Design Assistance

  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
Request Design Help

Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
View Support Services

Guides, Tools & Calculators

  • PoE requirements
  • Storage retention
  • Camera selection and deployment methodology
Open Technical Resources
!