Will it fit in hp prodesk 400 g4 ?

No. This is an sfx unit for use in sfx,matx,or atx (with adapter). The hp uses a special small form factor slim power supply. Unless hp offers a higher wattage supply. You are out of luck.

Will it work / fit with https://www.amazon.com/gp/product/b077rpsmys/ref=oh_aui_search_detailpage?ie=utf8&psc=1

This power supply has following dimensions: 5 inches long 4 inches wide 2.5 inches high

I don't see a light indicator when it is plugged in, does it have one or you have to guess if it is working?

There is no light indicator for this power supply model. The way to tell if power supply is turned on is if the power supply fan spins or if your computer boots up after connecting all the cables correctly.

This is a question for the manufacturer, apevia. have you considered releasing a 500 watt sfx 80 plus bronze certified psu?

They make a 600W, that is barely more expensive than the 400W model

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APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

Product ID: 37038669

Details

Brand
Apevia
Compatible Devices
Personal
Connector Type
floppy molex
Cooling Method
Air
Form Factor
Atx Micro Mini
Item Weight
921 Grams

⚡400W steady power output

🌀80mm auto thermal sensing fan

🔌Comprehensive sleeved connectors

Rp1664143

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Description

⚡ Power your compact build with silent strength and sleek style!

COMPACT POWERHOUSE - 400W output tailored for Mini ITX & Micro ATX builds—power meets portability.
TRUSTED RELIABILITY - Ranked #252 in power supplies with a solid 3.9-star rating—join thousands of satisfied pros.
SLEEK SLEEVED CABLES - All cables are sleeved for durability and a clean, professional look inside your case.
WHISPER QUIET COOLING - 80mm thermal sensing fan keeps your rig cool without the noise—focus on what matters.
PLUG PLAY VERSATILITY - Includes 20+4pin, 4pin 12V, 6/8pin PCIe, SATA, Molex & Floppy connectors—future-proof your setup.

The APEVIA SFX-AP400W is a 400W power supply designed for Mini ITX and Micro ATX systems, featuring an 80mm automatic thermal sensing fan for quiet cooling, fully sleeved cables for durability and aesthetics, and a wide range of connectors to support diverse hardware. Ideal for compact builds needing reliable, efficient power delivery with a professional finish.

Specifications

ASIN	B01MEDG1PM
Best Sellers Rank	#252 in Computer Power Supplies
Brand	Apevia
Built-In Media	Power Supply
Compatible Devices	Personal Computer
Connector Type Used on Cable	floppy,molex,pcie,sata
Cooling Method	Air
Customer Reviews	3.9 3.9 out of 5 stars (515)
Fan Size	80 Millimeters
Form Factor	Atx,Micro,Mini,Sfx
Global Trade Identification Number	00837344004872
Item Dimensions	5 x 4 x 2.5 inches
Item Type Name	Power Supply
Item Weight	921 Grams
Manufacturer	Apevia
Maximum Input Voltage	230 Volts (AC)
Mfr Part Number	SFX-AP400W
Minimum Input Voltage	100 Volts
Model Name	FBA_SFX-AP400WÂ
Model Number	SFX-AP400W
Number of Fans	1
Output Wattage	400 Watts
Power Supply Design	Non-Modular
System Bus Connector Type	20+4 Pin
UPC	837344004872
Unit Count	1.0 Count
Warranty Description	1 Year
Wattage	400 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Rp1664143

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered 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 Indonesia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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