https://youtu.be/-CeTu40r7Hc

https://youtu.be/-CeTu40r7Hc

From Two Dead Meanwells to a 1200W HP Power Beast: My New Mining PSU Setup

What’s up guys, Synthetic Division here.In the span of just one month, I killed two Meanwell power supplies. Two $32–$35 units that simply died without warning. One took down my Zyber 8S, the other left two GT 801s and a Hammer miner offline. That was the final straw. So I did what any frustrated miner would do — I went looking for a better, cheaper, and more reliable solution. What I found has completely changed how I’m powering my rigs.

The Meanwell Problem

I noticed the first one acting up during a live stream. The input voltage had dropped to 11.8–11.9V and the hash rate was suffering. The next day it was completely dead. A month earlier, the exact same thing happened with another Meanwell. Meanwhile, my old Alitov power supplies from an auction haul six months ago are still running strong. The difference was impossible to ignore. I was officially done throwing money at Meanwells.

The PSUBB Solution

Right on time, I won a PSUBB board in a giveaway on the BTC Tech Nerd Army Discord. This board is designed to turn cheap HP server power supplies into a clean, multi-miner powerhouse.I immediately jumped on eBay and scored a used HP 1200W P11 PSU (12V @ 100A) for just $36. That’s half the price of a new Meanwell with way more output.Building the Rig I printed a custom enclosure from gobrrr.me and snapped everything together in minutes. The PSUBB board slides right in, locks with clips, and gets secured with a couple of screws. Super clean.

The board itself is loaded:

• 6 fan headers
• 2 universal connectors (perfect for my barrel-jack NerdQaxe miners)
• 6 XT60 connectors
• Massive lugs for big single-board miners

First Power-Up

After struggling (and failing) to solder my own XT60 connectors — I melted seven of them — I ordered pre-made 10-gauge cables on Amazon. I paired them with an XT60-to-XT30 adapter for the Zyber 8S. Plugged in the HP PSU… 12.3V output. Perfect.The Zyber fired up immediately, stable and happy. I threw a fan across the voltage regulators (summer heat is no joke) and watched it hash away.

The Cost Breakdown

• HP 1200W PSU: $36
• PSUBB Board: $55
• Cables & adapters: ~$15–20
• Printed enclosure: Free (or ~$20 if you buy one)

Total under $110 for a serious 1200W setup that can power multiple miners cleanly.Why This Feels Like the FutureThis one setup will let me pull almost all my miners off individual Meanwells and Oltops and consolidate them into one clean, high-headroom power solution. Better voltage stability, fewer cables, and way lower cost per watt.Big ThanksHuge shoutout to Nikos from Molonlabe.Holdings — the brilliant mind who designed the PSUBB. He’s the server admin for the BTC Tech Nerd Army Discord, a firmware wizard, and just an all-around awesome guy. Also thanks to gobrrr.me for the excellent enclosure files and EU/UK distribution, and Cryptomachine.shop for handling US stock.

Final Thoughts, I’m not buying another Meanwell. Between the failures and the price, I’m moving on. If you’re running a home mining operation and tired of flaky or expensive power supplies, the PSUBB + HP server PSU combo is absolutely worth checking out. Have you had bad luck with Meanwells? Are you already running server PSUs? Drop your experiences in the comments — I’d love to hear them. I’ll be back soon with more updates as I migrate the rest of my miners and keep experimenting with 3D-printed mods.Until then, keep hashing efficiently and stay cool. — Synthetic Division