Upgrading GPU/CPU on Omen Elite Tower Desktop Need compatible 600W or 800W PSU Germany

[EdwardTMz]

Hello everyone,

I am looking to upgrade the GPU and CPU in my HP desktop system, but I am currently limited by my factory 400W power supply. I need help finding the exact HP spare part numbers for compatible 600W or 800W proprietary power supplies that will fit my chassis and motherboard layout.

Here are the exact specifications and part numbers from my current configuration:

 My Current PSU Part Number: N97955-001 (Regulatory Model: PA-3401-3HB)

 Specs: 400W, 800 Plus Platinum

 Motherboard Connectors: My system relies on the modern proprietary layout consisting of one 7-pin inline connector (PWRCMD) and two 4-pin square connectors (CPU power).

 My PC Product Number: 462D4AA

Could anyone please provide the official HP spare part numbers for the 600W or 800W power supplies that share this exact same 7-pin + dual 4-pin motherboard connector configuration?

Thank you in advance for your help!

[NonSequitur777]

@EdwardTMz,

Welcome to our HP Community forum!

Yes, I can assist you with locating compatible higher-power supply units to upgrade your 400-watt (p/n: N97955-001) power supply. Based on the available information, your PC is not compatible with an industry standard 24-pin ATX power supply, based on the presence of the proprietary 7-pin "P2" power connector.

Btw, the PC product number: 462D4AA you provided, does not yield a result in HP's PartSurfer.  If you could provide the following information: type System Information in your lower Windows search bar, click on the System Information app, and look to the right of: "System Model" and "BaseBoard product" and provide that information.

I think this 700-watt power supply with p/n: P02281-001 / PA-5701-1 / L04107-001 is probably compatible, but I need additional information in order to ascertain that.

It would also be very helpful to provide a link where your PC is shown, including a picture of the PC's rear.

Kind Regards,

NonSequitur777

[EdwardTMz]

Hi NonSequitur777,

Thanks for looking into this! Here is the exact system information pulled directly from CPU-Z:

HP OMEN 16L Gaming Desktop TG03

 BaseBoard Product: 8D31 (HP Grady motherboard)

 Chipset: AMD B650 / AM5

 BIOS: F.10 (AMD AGESA ComboAM5PI 1.2.0.3g)

 Processor: AMD Ryzen 5 8400F (65W TDP)

 Current PSU: 400W (N97955-001) with 7-pin "PWRCMD" (P2) + dual 4-pin CPU connectors

Given that my BaseBoard is the 8D31, could you confirm if the 550W PSU (⁠M86264-001⁠) or the 700W PSU (⁠P02281-001⁠) is the correct drop-in fit for this layout?

Thank you!

Edward

[EdwardTMz]

Hi NonSequitur777,

Thanks for looking into this! Here is the exact system information pulled directly from CPU-Z:

 BaseBoard Product: 8D31 (HP Grady motherboard)

 Chipset: AMD B650 / AM5

 BIOS: F.10 (AMD AGESA ComboAM5PI 1.2.0.3g)

 Processor: AMD Ryzen 5 8400F (65W TDP)

 Current PSU: 400W (N97955-001) with 7-pin "PWRCMD" (P2) + dual 4-pin CPU connectors

Given that my BaseBoard is the 8D31, could you confirm if the 550W PSU (⁠M86264-001⁠) or the 700W PSU (⁠P02281-001⁠) is the correct drop-in fit for this layout?

Thank you!

Edward

[NonSequitur777]

@EdwardTMz,

I am still waiting for the "System Model" and an internet link showing your PC.  I need this information in order to assist you.

Kind Regards,

NonSequitur777

[NonSequitur777]

@EdwardTMz,

The challenge I am facing is that there is very little information/guidance available online for this newer PC platform -and it is not clear to me what model PC your Grady motherboard is placed in.

To the best of my knowledge, based on the specific pinout configuration pulled from your CPU-Z log and your current unit, the 550-watt power supply with p/n: M86264-001 appears to be compatible with your system as it is built on HP's "ENT22 5x12V" power architecture. It features the exact same proprietary 7-pin management pinout configuration and standard 12V logic topology, making it an identical physical and electrical drop-in replacement.

I cannot tell you at the moment if the 700-watt PSU is compatible or not.

Kind Regards,

NonSequitur777

[EdwardTMz]

 

 

Hi NonSequitur777,

Thank you so much for the detailed explanation! That makes complete sense regarding the "ENT22 5x12V" architecture and matching 7-pin management pinout layout.

For your records and future reference on this new platform, here are the full details and exact model information for my system:

 System Model: HP OMEN 16L Gaming Desktop PC (Model series: TG03-0251ng BaseBoard Product: 8D31 (Grady Motherboard)

 Factory Installed Power Supply: 400W (p/n: N97955-001)

(I have attached photos of the front and rear of the 16L TG03 case below so you can see the rear cutouts and backplate footprint).

I will go ahead and order the 550W power supply (p/n: M86264-001) for this upgrade.

Thank you again for all your expert help in solving this compatibility mystery!

Kind regards,

Edward

[NonSequitur777]

@EdwardTMz,

Outstanding -please keep in touch how the new 550-watt power supply works out in your HP OMEN 16L Gaming Desktop PC TG03-0251ng!

With this power supply, you can easily power such quality graphics cards such as up to a smaller-sized RTX 5060 Ti 8GB or 16GB such as this model: ASUS DUAL RTX 5060 Ti EVO Specs | TechPowerUp GPU Database or: ASUS DUAL RTX 5060 Ti EVO OC Edition 16 GB Specs | TechPowerUp GPU Database, as shown by this HP OMEN 16L Gaming Desktop TG03-0xxx user: HP OMEN 16L Gaming Desktop TG03-0xxx Performance Results - UserBenchmark.

The RTX 5060 Ti 8GB or 16GB is one of the best examples of a strong mid-range GPU for ultra-setting 1080p gaming and entry-level 1440p gaming.

The most noticeable difference between the RTX 5060 Ti 8GB and 16GB versions isn't the average frame rate, but the stability. When the 8GB card runs out of VRAM, it has to constantly cycle data back and forth to your system's RAM. This creates major micro-stutters and hitching, resulting in terrible 1% low frame rates (dropping into the single digits or teens). The 16GB version on the other hand completely avoids this by holding everything natively on the card.

Price vs. Value: the launch price difference between the two variants is incredibly slim, with a premium of only about $50 to $80 to double the memory. According to community reviews and tech outlets like Tom's Hardware, this makes the 16GB model the clear recommendation for future-proofing. It allows you to use high-quality texture packs and demanding features without risking severe game performance issues.

Kind Regards,

NonSequitur777