Your search for "me34x-pwr-dc" revealed the following:
Cisco ME34X-PWR-DC 3400 Series Switch DC Power Supply + Fan Unit
SKU: NSH-7668
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 119.99
• Only 2 remaining
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NEW Cisco ME34X-PWR-DC ME 3400E Series DC Switch Power Supply
SKU: NSN-1442
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 142.99
• Only 1 remaining
Call if you need more