Name: 550W Power Supply DPS-550LB-1B for S4128/S4048 Servers
Brand: Dell
Availability: InStock

Dell 1KXFV 550W Power Supply DPS-550LB-1B for S4128/S4048 Servers

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In Stock: 27
Manufacturer: Dell
Model or Part: 1KXFV
Condition: Refurbished
Weight: 3.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Dell DPS-550LB-1B is a reliable 550W power supply designed specifically for Dell PowerEdge S4128 and S4048 rack servers. Engineered to deliver consistent performance in demanding data centre environments, this unit provides clean, efficient power to keep critical workloads running without interruption. Its compact form factor fits seamlessly into the server chassis, while built-in protections safeguard components from voltage spikes, overloads and short circuits.

Key Features

550 watts of continuous power output for high-density server configurations
80 PLUS Bronze efficiency rating reduces energy consumption and operating costs
Active PFC (Power Factor Correction) for improved power quality and reduced harmonic distortion
Redundant fan design ensures cooling even if one fan fails
Hot-plug capability allows replacement without shutting down the server
Integrated over-voltage, under-voltage, over-current and short-circuit protection

Technical Specifications

Model number: 1KXFV (DPS-550LB-1B)
Input voltage: 100-240 V AC, 50/60 Hz
Output voltage: +12 V, +5 V, +3.3 V
Maximum output current: 45 A @ +12 V, 30 A @ +5 V, 25 A @ +3.3 V
Efficiency: 85% minimum at 100% load (80 PLUS Bronze)
Operating temperature range: 0 to 50 deg C
Dimensions: 4.4 in (W) x 5.5 in (H) x 1.5 in (D)
Weight: approx 4.2 lbs

Applications

Enterprise data centre servers requiring reliable power delivery
Virtualisation platforms and cloud infrastructure on PowerEdge S4128 or S4048
High-performance computing clusters that demand stable voltage under load
Mission-critical applications such as database servers, email gateways and web hosting
Any environment where energy efficiency and uptime are top priorities