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Welcome to our peer-to-peer HP Community Forum!
According to HP PartSurfer's OMEN by HP 45L Gaming Desktop PC GT22-0000i information, your desktop is fitted with an 800-watt power supply with p/n: M83827-001 "POWER SUPPLY UNIT 800W ATX Gold" -please verify.
Since an RTX 4070 has a nominal 200-watt TDP, any decent 600+ watt power supply would be able to power this card, so if you got an 800-watt PSU you should be just A-OK.
Hope this was helpful.
Kind Regards,
NonSequitur777
HP Recommended
Welcome to our peer-to-peer HP Community Forum!
According to HP PartSurfer's OMEN by HP 45L Gaming Desktop PC GT22-0000i information, your desktop is fitted with an 800-watt power supply with p/n: M83827-001 "POWER SUPPLY UNIT 800W ATX Gold" -please verify.
Since an RTX 4070 has a nominal 200-watt TDP, any decent 600+ watt power supply would be able to power this card, so if you got an 800-watt PSU you should be just A-OK.
Hope this was helpful.
Kind Regards,
NonSequitur777
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