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The Apevia ITX-PFC400W is a fully modular 400W Mini ITX/Flex ATX power supply designed for compact desktops, gaming rigs, and servers. Featuring full range active PFC (90-264V), a quiet 40mm double ball bearing fan, and comprehensive protection mechanisms, it delivers stable power with clean cable management. Ideal for professionals seeking dependable, space-saving PSU solutions with global voltage compatibility and silent operation.




















| ASIN | B0CWN49V13 |
| Best Sellers Rank | #120 in Computer Power Supplies |
| Brand | Apevia |
| Compatible Devices | Computer |
| Connector Type Used on Cable | EPS, PCI Express |
| Cooling Method | Air |
| Customer Reviews | 3.9 3.9 out of 5 stars (114) |
| Fan Size | 40 Millimeters |
| Form Factor | Mini ITX/Flex ATX |
| Item Dimensions | 6.3 x 2.9 x 1.4 inches |
| Manufacturer | Apevia Corp |
| Maximum Input Voltage | 264 Volts |
| Mfr Part Number | ITX-PFC400W |
| Minimum Input Voltage | 90 Volts |
| Model Name | ITX-PFC400W |
| Model Number | ITX-PFC400W |
| Number of Fans | 1 |
| Output Wattage | 400 |
| Power Supply Design | Full Modular |
| System Bus Connector Type | 20+4 Pin |
| UPC | 810047131816 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Replacement Warranty |
| Wattage | 400 watts |
J**E
The Teton (outdoor gear) of small form factor psu's
I really liked my 350-watt PSU (I have two of them in my backup NAS systems for RAID arrays running on the main NAS), but I think I overloaded one and burned it out. Technically, it still works, but it smells awful, so I contacted support. Their response was amazing—they sent me a new one right away. The support from this company is top-notch, and their products are affordable while performing their job well. Since I likely overloaded my 350-watt unit, I decided to upgrade to the 400-watt model to better handle my OpenMediaVault NAS server. My setup includes: - **CPU**: Intel i7-4770 - **RAM**: 16GB - **Networking**: 10Gb SFP+ NIC - **Storage**: 8× 12TB HDDs + 2× 220GB SSDs - **Cooling**: Noctua fans for both the case and CPU - **Motherboard**: A random Shenzhen Machinist board for Intel 1150 socket Since switching to the 400-watt PSU, it has been flawless. It hit the ground running and has powered my system 24/7 without a single issue. I run RAID arrays, virtual machines, and containers, and it's always connected to a UPS. I highly recommend this company and their products—I’d consider them the **Teton** of small-form-factor PSUs. Apevia did a great job with this product, and their support is outstanding. I especially love the **modular design**, which keeps my NAS’s internal cabling much cleaner. The PSU fan is **quiet**—I don’t even hear it. My Noctua fans (2× 80mm for the case and 1× 90mm for the CPU) are louder. Honestly, I wouldn’t bother replacing the PSU fan despite what some content creators suggest—the gains are almost nonexistent. If you’re considering this PSU, **go for it!** It’s an excellent value, and the company stands behind their products.
A**H
BC-250 Compatible
Works excellent for a BC-250
J**E
PSU threw every HDD in my system into fits until I got rid of it.
Built a NAS with it, used it for a month or two. It's running on a UPS, so I can see power usage, never above 90 watts. Yet this thing crapped out in the most annoying way: the system was operable, and my SSDs were fine, but HDDs would click/whir constantly and then eventually started throwing checksum errors. I swapped out drives thinking they were bad, but the new ones would do it too Swapped 3-4 drives and every cable with problems randomly cropping up until I finally swapped out the PSU with a cheap 300w I had sitting around, and suddenly all the old 'broken' hard drives are working brilliantly. I won't be using this brand again.
B**H
Solid low budget
Works great and has connectors for a non gaming desktop Doesn't have enough power to run a midsized graphics card like a 1650 or better, more like a 1050 2gb type of card or lower or integrated graphics
J**0
Works great on my Mini-ITX systems
I've had a few Apevia PSU's in the past in the budget sector, this one kind of falls into that sector when it comes to Mini-ITX power supplies. I would say that so far my biggest gripe on these Power supplies is the lack of a Power Switch on the PSU itself. Meaning that I have to unplug the PSU if I want it to not be powered. The power supplies have so far worked well on 24/7 workloads at around 30% load. The fans don't scream and the units don't get too hot. The fact that these are modular at this price point is really great. I would hope that they continue to provide these power supplies as I Plan to build more systems with these units.
M**L
Nice and simple to use.
Works great.
E**.
You get what you pay for, which is the bare minimum
You get what you pay for. Mine ran nice for a little while, but died after a move if you have more money, buy something else but if you don’t, this will probably do OK
C**R
Perfect replacement for HP N40L Microserver PSU
I replaced the power supply in my HP N40L Microserver with this unit and it fit perfectly and the cables are the correct length for stock routing. I added two Molex y-adapters to power the drive array and couldn't be happier with the result.
M**P
到着予定日より早く届けてくださり ありがとうございます。 ファンの音が驚くほど小さくて、本当に動いているか不安になるぐらいで 驚きました。 とても、品質が良くて、5060RTXのモバイルGPU をeGPUとして運用することが出来ました。 持ち運べるGPUができあがりました。 一つ、感じた事は、うっすらと半導体が焼けた臭いがしたことです。 何日間か使用していて 薄れたので 最初の時だけかもしれません。
M**D
I used this in a media-centre PC and it's efficient and quiet. I did initially have a problem with one of the power cables but I contacted support and they sent me a new cable within 1 week.
R**D
Have been using for almost a year now without issue. Would recommend.
Trustpilot
2 months ago
2 months ago