So this will most definitely fit the Optiplex 3020?

Not sure about a 3020 but it definitely fits a 7010

Would this work in a dell precision tower 3420

I don't believe that this power supply will fit the case. If you look at the picture of the 3429 supply on Amazon you will notice that at the end where the AC power connector is that there is a square recess on the one side - this supply is rectangular with no recess. Electrically it would probably work but you would have to see if it would fit inside the case.

Will this work with Optiplex XE2?

If suggest to carefully look at the specs from the manufacturer, I got it for a different model.

NT1XP YH9D7 255W Power Supply For Dell Optiplex 3020 7020 9020 Precision T1700 Small Form Factor (SFF) Systems

Product ID: 258023563

Details

Brand
POINWER
Compatible devices
Dell Optiplex
Connector type
ATX
Model name
AC255AS-00
Output wattage
265 Watts

⚡255W reliable power output

🌀120mm quiet cooling fan

🔌2 ATX connectors for seamless compatibility

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2908866₫

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Description

⚡ Power your productivity with precision and quiet confidence!

COMPACT EFFICIENT - Small form factor design fits perfectly without compromising power delivery.
WHISPER QUIET COOLING - 120mm fan keeps your setup cool without distracting noise—work in peace.
POWER UP WITH CONFIDENCE - 255W output ensures stable, efficient performance for your Dell SFF systems.
TRUSTED BY PROFESSIONALS - Highly rated with 4.4 stars from 105 users—join the savvy crowd powering their workstations right.
PLUG PLAY COMPATIBILITY - Designed specifically for Dell Optiplex 3020, 7020, 9020, and Precision T1700 SFF models.

The POINWER NT1XP YH9D7 is a 255W internal power supply tailored for Dell Optiplex 3020, 7020, 9020, and Precision T1700 Small Form Factor systems. Featuring a 120mm cooling fan and dual ATX connectors, it delivers reliable, efficient power in a compact design. With a strong 4.4-star user rating, it’s the go-to upgrade for professionals seeking seamless performance and quiet operation.

Specifications

ASIN	B07CHCNBM8
Brand	POINWER
Compatible Devices	Dell Optiplex 3020, 7020, 9020, Precision T1700 Small Form Factor (SFF) Systems
Connector Quantity	2
Connector Type Used on Cable	ATX
Cooling Method	Air
Current Rating	5 Amps
Customer Reviews	4.4 4.4 out of 5 stars (105)
Fan Size	120 Millimeters
Form Factor	small form factor
Manufacturer	POINWER
Maximum Input Voltage	240 Volts
Mfr Part Number	4348299800
Minimum Input Voltage	100 Volts
Model Name	AC255AS-00
Model Number	AC255AS-00 AC255ES-00 DPS-255LB
Output Wattage	265 Watts
Power Supply Design	Internal
System Bus Connector Type	ATX
UPC	743070991440
Wattage	255 watts

Reviews

O**G

Not rated PSU

Seems like a sort of playing Russian roulette game to use it

23.01.2022

J**S

Llegó en perfecto estado, se instaló y está funcionando perfectamente hasta el monento, lo recomiendo.

8.07.2024

A**R

The product has no issues, it's a great product and I returned it just because I have changed the ATX casing and I have to replace other size. My advise is, always buy stuff according to size and shape. Thank you Seller and Amazon Canada

20.12.2024

E**I

Merci A+

26.06.2025

A**S

La reconoció rápido y sin problema

7.05.2024

M**.

Livrer rapidement et fonctionnel

27.01.2021

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2908866₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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