“What is the Power Supply form factor? I got a graphics card but the included power supply doesn't have the appropriate cords to power the graphics card. Is there a modular power supply that would fit in this case and power everything inside?”
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I researched the power supply form factor for the HP Pavilion TP01-0034. It is definitely proprietary, undocumented HP design and physical form factor, and no generic ATX variety will directly fit the unmodified case. HP does not sell or even specify an upgraded wattage version that fits. The SATA power connectors are sourced from the motherboard, not the power supply. So typical graphics cards that require separate power cables are out, although you CAN use a lower-power graphics card that requires only PCIe power, such as the XFX Radeon RX 550 that Best Buy sells. Despite that stock limitation, custom modifications to upgrade the power supply are possible. On inspection I found that the only power supply connections to the motherboard are two cables with 12V 4-pin connectors that are always on and supply the motherboard. There is also a light-gauge third cable from the motherboard back to the power supply, which is simply the power returned by the motherboard to run the fan in the power supply at variable speeds. There are none of the conventional ATX connections for lower voltages or signals to switch the power supply on/off; all the various voltages needed by the motherboard are performed by DC-DC converters on the motherboard itself using the 12V supply. So it would be a simple modification to use any generic 12V DC power supply, if you can handle the wiring improvisations. This is interesting, in that you could hook up a 180W or larger 12V wall-wart, automotive 12V, SLA backup-batteries directly, or even 12V DC solar panels to run this computer.
Sorry, there was a problem. Please try again later.The TP01-0034 provides a 12V-only power supply, definitely not an ATX type. Conversion to other voltages is performed on the motherboard. The original power supply is only 180W and doesn't provide any spare capacity (or even connectors) for running a graphics card. It might not even be capable of handling a graphics card with no external power connections that takes power only from the PCIe bus. The 180W will be consumed by the original system and any HDDs/SSDs you might add.
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