---
product_id: 255890150
title: "240W Power Supply for Dell Optiplex 390 790 960 990 3010 7010 9010, Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB LB 240AS 00 H240AS-00 3WN11"
brand: "s-union"
price: "311.64 DT"
currency: TND
in_stock: true
category: "S Union"
url: https://www.desertcart.tn/products/255890150-240w-power-supply-for-dell-optiplex-390-790-960-990
store_origin: TN
region: Tunisia
---

# 240W max output power Silent air cooling fan 100-240V AC input range 240W Power Supply for Dell Optiplex 390 790 960 990 3010 7010 9010, Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB LB 240AS 00 H240AS-00 3WN11

**Brand:** s-union
**Price:** 311.64 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your Dell SFF like a pro — no compromises, just pure performance!

## Quick Answers

- **What is this?** 240W Power Supply for Dell Optiplex 390 790 960 990 3010 7010 9010, Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB LB 240AS 00 H240AS-00 3WN11 by s-union
- **How much does it cost?** 311.64 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/255890150-240w-power-supply-for-dell-optiplex-390-790-960-990)

## 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

- • **Whisper-quiet Cooling:** Integrated air cooling fan ensures optimal performance without noise distractions.
- • **Power-packed 240W Output:** Reliable energy boost tailored for Dell Optiplex SFF models.
- • **Precision Fit for Dell SFF:** Exclusively designed for Dell Optiplex 390 to 9010 Small Form Factor desktops.
- • **Wide Voltage Compatibility:** Seamlessly supports 100-240V AC input for global use.
- • **Hassle-free Returns & Support:** One-month quality guarantee with free return service for peace of mind.

## Overview

The S-Union 240W Power Supply is a precision-engineered replacement unit compatible exclusively with Dell Optiplex 390, 790, 960, 990, 3010, 7010, and 9010 Small Form Factor desktops. Featuring a robust 240W output, wide 100-240V AC input range, and silent air cooling, it ensures stable and efficient power delivery. Designed with exact connector compatibility and backed by a one-month free return policy, it’s the go-to upgrade for professionals seeking reliable, plug-and-play power solutions.

## Description

Buy S-Union 240W Power Supply for Dell Optiplex 390 790 960 990 3010 7010 9010, Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB LB 240AS 00 H240AS-00 3WN11 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- 【Compatible Model】The power supply only works for Dell OptiPlex 390 790 960 990 3010 7010 9010 Desktop PC (Dell SFF system). AC Input: 100-240V/4A (50-60HZ), DC Output: Maximum Output Power: 240W
- 【NOTE】Power supply does not work for Dell Mt Mini Tower, DT Desktop System, USFF Ultra Small Form Factor Systems.
- 【Compatible Part Number】3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
- 【Compatible Model Number】H240AS-00, AC240AS-00, L240AS-00, AC240ES-00, H240AS-00, H240ES-00, D240ES-00, DPS-240WB
- 【Quality Service】If the product has any quality problems within one month, you can contact us quickly by email and we will provide you with a free return service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0719DRZMJ |
| Best Sellers Rank | #12,112 in Computers ( See Top 100 in Computers ) #50 in Computer Power Supplies |
| Brand | S-Union |
| Compatible Devices | Dell Optiplex 390 SFF, 790 960 990 3010 7010 9010 SFF |
| Connector Quantity | 5 |
| Connector Type Used on Cable | ATX |
| Cooling Method | Air |
| Current Rating | 4 Amps |
| Customer Reviews | 4.5 4.5 out of 5 stars (914) |
| Form Factor | ATX |
| Item Dimensions | 25.1 x 9.1 x 11.2 centimeters |
| Item Weight | 0.6 Pounds |
| Manufacturer | S-Union |
| Maximum Input Voltage | 240 Volts (AC) |
| Mfr Part Number | H240ES-00 D240ES-00 |
| Minimum Input Voltage | 100 Volts (AC) |
| Model Name | ATX Power Supply |
| Model Number | H240AS-00 H240AS-01 AC240AS-00 3WN11 |
| Number of Fans | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Wattage | 240 Watts |
| Power Supply Design | Full Modular |
| System Bus Connector Type | 24 Pin |
| UPC | 840637155342 |
| Unit Count | 1.0 Count |
| Wattage | 240 watts |

## Product Details

- **Brand:** S-Union
- **Compatible devices:** Dell Optiplex 390 SFF, 790 960 990 3010 7010 9010 SFF
- **Connector type:** ATX
- **Model name:** ATX Power Supply
- **Output wattage:** 240 Watts

## Images

![240W Power Supply for Dell Optiplex 390 790 960 990 3010 7010 9010, Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB LB 240AS 00 H240AS-00 3WN11 - 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.

## 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.tn/products/255890150-240w-power-supply-for-dell-optiplex-390-790-960-990](https://www.desertcart.tn/products/255890150-240w-power-supply-for-dell-optiplex-390-790-960-990)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-13*