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DELL
DELL 0YNWT 460W 80 Plus Gold Server Power Supply Reverse Airflow
A 460 W 80 Plus Gold hot-plug server PSU with reverse airflow cooling for Dell Networking S4048-ON switches
- 460 W output powers demanding network environments
- 80 Plus Gold certification reduces energy waste
- Reverse airflow fan optimises data-centre cooling
- Hot-plug design allows replacement without downtime
- Compatible with Dell Networking S4048-ON switches
Dell 0YNWT 460W PSU
This Dell 0YNWT unit is a 460-watt hot-plug server power supply with 80 Plus Gold efficiency and reverse airflow cooling. It is built for the Dell Networking S4048-ON switch and other compatible enterprise systems. The compact design fits standard server bays and supports quick replacement without downtime.
Ideal for switch maintenance
Network engineers maintaining Dell S4048-ON infrastructure will value the hot-plug capability and Gold-rated efficiency. The reverse airflow fan matches data-centre rack layouts that exhaust heat toward the cold aisle. Buyers needing a redundant PSU for a different switch model or a non-Dell chassis should verify pin-out and airflow direction first.
AC 200240V input only
The power supply accepts AC 200240V input voltage, which determines where it can be deployed. Facilities wired for lower-voltage distribution cannot use this unit without upstream transformation. Confirm your rack power distribution matches this requirement before ordering.
Highlights
- 460 W output powers demanding network environments
- 80 Plus Gold certification reduces energy waste
- Reverse airflow fan optimises data-centre cooling
- Hot-plug design allows replacement without downtime
- Compatible with Dell Networking S4048-ON switches
Specifications
| Brand | DELL |
|---|---|
| Model | S4048-ON |
| Part Number | 0YNWT |
Questions about this item
How often will the reverse-airflow fan need cleaning or replacement in a rack?
The 80 Plus Gold unit runs cooler than lower-rated supplies, so dust build-up on the reverse-airflow fan is slower; plan a visual check during each scheduled rack maintenance window.
What hits its limit first when the supply runs at full 460 W output for hours?
Continuous 460 W load pushes the AC 200240 V input and the reverse-airflow cooling to their thermal ceiling before the 80 Plus Gold efficiency curve rolls off.
How loud and hot does the reverse-airflow fan get during 24/7 operation?
The reverse-airflow design exhausts heat toward the cold aisle, keeping inlet temperatures lower; fan speed ramps with load but stays within Dell S4048-ON acoustic specs.
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