HP Prodesk 405 G4 DeskMini

Kai Robinson

TinkerDifferent Board President 2023
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Founder
Sep 2, 2021
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So this was about to be yeeted into the e-waste at work when one of my colleagues stopped it from going in the bin, putting it on my desk instead.

I love these little USFF 1L machines, they pack so much into such a tight space, and this appeared to be no different.

DSC_2966.JPG


Opening it up, oh, a socketed CPU, and a PGA one at that.

Two SO-DIMM sockets - I wonder what it is...

DSC_2967.JPG


WHAT?! JACKPOT!
An AMD RYZEN 3 PRO 2200GE (4c4t, 35W OEM only part) in here? I'm sorry but has Ryzen stuff become old enough to chuck away now?!

Unfortunately the BIOS locks the CPU options to this, and a Ryzen 5 PRO 2400GE (4c8t, 35W OEM only part), so that's exactly what I grabbed for £30 on the bay of e, along with a used 512GB M.2 nVME SSD (for £14) and a 16GB (2x8GB) PC4-3200 Memory kit (for £18).

Oh, and the other cool feature of this? It comes with something called 'FlexIO' - so there's an interchangeable PCIe 1x connector at the back - came with a VGA module in it, but i found a USB-C 3.1 module for £10, so I grabbed one of those, too.

The memory kit and the USB-C module have arrived already, just the R5-2400GE needs to arrive, then I can button it all up and get Windows installed on it.

Be interesting to see how this APU handles games at basic resolutions.

Shame the BIOS is locked down to the Ryzen 2000 series, the chipset in it is a B350, so would easily accept a 5600G inside it, but the BIOS says no....anyone know how to hack an HP BIOS to add CPU support? :D
 

Kai Robinson

TinkerDifferent Board President 2023
Staff member
Founder
Sep 2, 2021
1,199
1
1,194
113
42
Worthing, UK
Finally, the Ryzen 5 PRO 2400GE arrived:

DSC_2972.jpg

So, now there's SMT and an additional 192 GPU cores. I've also backstepped to Windows 10 22H2 from Windows 11 24H2 as Windows 11 was just hot garbage. Stuttery, laggy, always using CPU when idle (30% in some cases), always using the SSD. Windows 10 is just so much snappier and lag-free.

Going to run some more benchmarks. I managed 46fps on average with a load of stutter in Windows 11 with the 2200GE at 720p low in Forza Horizon 4.
 

Kai Robinson

TinkerDifferent Board President 2023
Staff member
Founder
Sep 2, 2021
1,199
1
1,194
113
42
Worthing, UK
OK, after some benchmarks, driver updates and setting everything up the same as the 2200GE was in Windows 11, the final results for Forza Horizon 4 are...

52fps average!

😅