M90p 5864 Power supply

[Zest]

I have an M90p 5864-A1G which i'd like to install a new graphics card on.

This means I will need 400-500w psu rather than the installed 240W unit.

I'm strugging to find a suitable replacement which will fit in the unit.

The preinstalled unit is slimline and L shaped (Liteon PS-5241-01VA)

Anyone know an alternative I can use?

Cheers

[lead_org Microsoft MVP Contributor]

i think these PSU are of a proprietary format.

[Zest]

So no hope then?

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[rygle]

Just get an ATI Radeon 5450 or 6450 low profile silent model, or an Nvidia 210 or similar. Should work OK. For others, lots of people who tried a 5450 PCI-E card on an M55 had problems, but I got a HIS ATI Radeon 5450 Silent PCI (not PCIE) model working. Lots of people have commented that it's a suspected BIOS problem, but I didn't want to take the chance that they'd fixed it and the HIS works great. That system has a 225W power supply, so a 240W should work fine, especially since the i5 is probably less power hungry than the Core2Duo on the M55.

[rygle]

If you're really worried, there are some 280W power supplies around that seem to be the same fitting. Also, I would stick to the DDR3 models of the ATI 5450/6450 graphics cards, because they are pretty much guaranteed to be under 20W from what I have read. The other reason I like the ATI cards is because they all have audio support with the HDMI out, while some of the Nvidia cards had hassles.

[rygle]

Here's a link for the 280W PSU that I forgot; http://www.ebay.com.au/itm/OEM-280W-IBM-THINKCENTRE-41A9701-280W-M57E-POWER-SUPPLY-/140571618612?pt=...