The HP HPP3077F3 (HPP3077F3 - Dell 305-Watts 100-120V / 200-240V ATX Power Supply for Optiplex GX520 GX620 / Demension E521) is a Power Supplies component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include power of 305W, voltage of 120V. Common deployment scenarios include enterprise data-center, server-room, and managed-service-provider environments where matched-OEM-part procurement is required for warranty and compliance continuity. Pro Disk Network sources the HPP3077F3 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The HPP3077F3 is a HP power supplies component with power 305W, voltage 120V. Pricing on the HPP3077F3 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the HPP3077F3 are shown on this page.
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Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
The HPP3077F3 is a HP power supplies part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the HPP3077F3 ship?
HPP3077F3 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The HPP3077F3 is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Rack PDU Replacement — Vertical or horizontal PDUs in cabinet retrofits. Metered or switched models for granular outlet-level control.
Branch UPS — Office or remote site UPS. 1500–3000 VA covers most server-rack mini-deployments with 5–15 minute runtime.
Datacenter UPS Module — Online double-conversion UPS for production server rooms. Match VA rating to total connected load + 30% headroom.
Telco / Battery Backup — DC-powered batteries for telco-class equipment, ISP CPE, and outdoor cabinets. Confirm voltage (-48 V vs +12/24 V).
What is the HPP3077F3?
The HPP3077F3 is a HP server power supply unit with power 305W and voltage 120V, manufactured by HP. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of HPP3077F3
Pros
Same-day US shipping reduces production downtime
Cons
Server-grade PSU — not for desktop or workstation use
Higher in-rush current — confirm UPS sizing
Frequently Asked Questions about HPP3077F3
Is the HPP3077F3 a genuine HP part?
Yes. Pro Disk Network sources every HPP3077F3 as factory-original HP inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the HPP3077F3 fit my system?
The HPP3077F3 is a HP power supplies part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the HPP3077F3 ship?
HPP3077F3 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the HPP3077F3?
New HPP3077F3 units carry the full HP manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the HPP3077F3?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
PSU Sizing: Connected Load, Efficiency Curves, and N+1 Redundancy
For N+1 redundancy in a dual-PSU server, both PSUs must be rated to handle full load alone. This is non-negotiable in production: if a single PSU fails and the surviving one is undersized, the system shuts down. The HPP3077F3 should be matched in wattage rating to the partner PSU in the chassis; mismatched ratings sometimes work but trigger warnings in the BMC.
AC Input, Phase Balancing, and Datacentre Power Best Practices
Document the HPP3077F3 model, wattage, and partner PSU in your CMDB. Power audits typically find one or two undersized servers and one or two over-redundant clusters per rack — both of which waste capacity that could feed additional production load.