Product

Dell 490W Server Power Supply JY138 / DU643 | PowerEdge T300 (24-Pin + 4-Pin + SATA x2 + FDD x1)

Key Features

• New original Dell 490W server power supply — genuine OEM unit for PowerEdge T300 tower server
• Dell part numbers: JY138 / DU643 — same physical unit, interchangeable DPN
• PSU model numbers: N490P-00 / H490P-00
• Dimensions: 150 × 140 × 86 mm — Dell tower server form factor
• Connector layout: 24-Pin ATX + 4-Pin +12V + 10-Pin PCIe + SATA x2 + FDD x1
• 490W stable output for PowerEdge T300 mid-range tower server workloads
• Wide input range: 100–240V AC, 50–60Hz, 8.5A — compatible with MY/SG 240V supply
• Built-in OVP / OCP / SCP protection

Technical Specifications

Compatible Models

Dell PowerEdge Server Series:

• Dell PowerEdge T300

⚠️ Always verify the part number / model number on your existing PSU label before purchasing.

Package Contents

• 1× Dell 490W Server PSU JY138 DU643 PowerEdge T300 (New Original or identical DPN)

Warranty

• 3-month replacement warranty
• Covers manufacturing defects; physical damage and improper installation not included

Additional Notes

• Non-Hot-Swap fixed PSU — server must be powered off before replacement.
• Includes 10-Pin PCIe connector for GPU support in the T300 chassis.
• Verify Dell DP/N on existing PSU label matches JY138 or DU643 before ordering.
• New original unit — genuine factory Dell unit, not refurbished or aftermarket.