---
product_id: 45047395
title: "240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2"
brand: "s-union"
price: "31794 Ft"
currency: HUF
in_stock: true
reviews_count: 13
category: "S Union"
url: https://www.desertcart.hu/products/45047395-240w-power-supply-unit-replacement-for-dell-optiplex-390-790
store_origin: HU
region: Hungary
---

# 240W reliable power output Wide Dell OptiPlex SFF compatibility 18-month worry-free warranty 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2

**Brand:** s-union
**Price:** 31794 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your productivity with precision and peace of mind!

## Quick Answers

- **What is this?** 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2 by s-union
- **How much does it cost?** 31794 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/45047395-240w-power-supply-unit-replacement-for-dell-optiplex-390-790)

## Best For

- s-union enthusiasts

## Why This Product

- Trusted s-union brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Every unit is rigorously tested and backed by an 18-month warranty for ultimate peace of mind.
- • **Plug & Play Simplicity:** Easy installation with precise fitment—no tech headaches, just instant power.
- • **Tailored for Your Dell:** Specifically engineered for OptiPlex 3010, 390, 790, 960, 990, 9010, and 7010 Small Form Factor models.
- • **Value Meets Performance:** Premium OEM replacement without the premium price tag—upgrade smart, save big.
- • **Power Up with Confidence:** Delivers a steady 240W output to keep your Dell OptiPlex running flawlessly.

## Overview

The S-Union 240W Power Supply Unit is a high-quality, rigorously tested replacement designed exclusively for Dell OptiPlex Small Form Factor desktops (models 3010, 390, 790, 960, 990, 9010, and 7010). It delivers reliable 240W power output, ensuring stable performance, and comes with an 18-month warranty. This PSU offers an easy, hassle-free installation experience, making it the perfect upgrade for professionals seeking dependable power without downtime.

## Description

Buy S-Union 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2: Internal Power Supplies - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Very easy to install and works great! - Perfect! I had bought a cheaper refurbished desktop computer that runs a laser in our garage. The power supply went out and this was SUPER easy to replace and get running again! Saved me a ton of money, and its still running perfectly even after a few Texas summers in my garage. Great value!
Review: Perfect! - I used this to replace the power supply in my ancient Dell Optiplex 990/SFF desktop. It was easy to install, it works, and the price was right!

## Features

- ✅【Compatible Model 】Compatible with Dell OptiPlex 7010 3010 9010 390 790 960 990 SFF Small Form Factor Systems Only（Note:This Power Supply does not work for Dell Mt Mini Tower Systems,DT Desktop System, USFF Ultra Small Form Factor Systems)
- ✅【Compatible Part Number】This dell optiplex 790 power supply is Compatible with 3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
- ✅【Compatible Model Number】This optiplex 7010 power supply is compatiable with H240AS-00, H240AS-01,H240ES-00, H240ES-01,AC240AS-00, AC240AS-01,L240AS-00, L240AS-01,AC240ES-00,AC240ES-01, D240ES-00, D240ES-01, DPS-240WB
- ✅ 【Quality】 All Power Supply Are Tested Before Shipping. And we supply 18 months worry-free warranty. For any reasons you're not completely satisfied, you can ask for a replacement or full_ refund..
- ✅【What You Get】A Desktop Power Supply Unit (240W). Note: P1 Cable is about 3'' long, not 12.5''

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0719DRZMJ |
| Best Sellers Rank | #344 in Computer Power Supplies |
| Brand | S-Union |
| Color | white |
| Customer Reviews | 4.6 4.6 out of 5 stars (908) |
| Date First Available | May 12, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 9.9 x 3.6 x 4.4 inches |
| Item Weight | 2.02 pounds |
| Item model number | H240AS-00 H240AS-01 AC240AS-00 3WN11 |
| Manufacturer | S-Union |
| Product Dimensions | 9.9 x 3.6 x 4.4 inches |
| Series | ATX Power Supply |

## Product Details

- **Brand:** S-Union
- **Compatible Devices:** Personal Computer
- **Connector Type:** ATX
- **Cooling Method:** Air
- **Form Factor:** ATX
- **Item dimensions L x W x H:** 9.9 x 3.6 x 4.4 inches
- **Model Name:** ATX Power Supply
- **Output Wattage:** 240 Watts
- **Power Supply Design:** Full Modular
- **Wattage:** 240 watts

## Images

![240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2 - Image 1](https://m.media-amazon.com/images/I/61Z0OkJyuCL.jpg)

## Questions & Answers

**Q: What is the warranty on this power supply?**
A: eParts Technology Corp. Provides a 60 Day Warranty

**Q: What are the actual dimensions?  Because the 3.5 " thing amazon states seems too big.  I'm guessing that might be the packaging.**
A: The item dimensions is 9.5 x 2.5 x 3 inches. Thank you.

**Q: Is there a fan inside this power supply unit?**
A: Yes it does.  It has an intake fan that faces front when it is installed.  The PS in the Optiplex 390 died.  This unit went in and the machine has worked perfectly every since.

**Q: Where is this manufactured?**
A: Made in China.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very easy to install and works great!
*by A***R on January 9, 2026*

Perfect! I had bought a cheaper refurbished desktop computer that runs a laser in our garage. The power supply went out and this was SUPER easy to replace and get running again! Saved me a ton of money, and its still running perfectly even after a few Texas summers in my garage. Great value!

### ⭐⭐⭐⭐⭐ Perfect!
*by A***A on October 22, 2025*

I used this to replace the power supply in my ancient Dell Optiplex 990/SFF desktop. It was easy to install, it works, and the price was right!

### ⭐⭐⭐⭐⭐ Very Solid Power Supply
*by M***G on June 10, 2025*

This was purchased over a year ago and installed as a replacement for the original supply in one of my computers. Easy installation, good quality connectors although the wires are a bit on the short side. Works flawlessly. I would buy it again if I ever needed a replacement power supply of this rating and type.

## Frequently Bought Together

- S-Union 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2
- POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00
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**Shop now:** [https://www.desertcart.hu/products/45047395-240w-power-supply-unit-replacement-for-dell-optiplex-390-790](https://www.desertcart.hu/products/45047395-240w-power-supply-unit-replacement-for-dell-optiplex-390-790)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-03*