$895.63In Stock — Usually Ships in 1–3 Business Days
About the 300-1027
Sun part number 300-1027 identifies the 300-1027 - Sun 925-Watts Power Supply, an enterprise-grade Power Supplies unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include power of 925W. Typical use cases include in-place upgrades, EOL replacement under existing OEM service contracts, lab/test environments, and refurbished-rebuild programs. Pro Disk Network sources the 300-1027 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 the US with dispatch in 1–3 business days. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 300-1027 is a Sun power supplies component with power 925W. Pro Disk Network sells the 300-1027 for $895.63 with US shipping in 1–3 business days and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 300-1027 are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
US Shipping in 1–3 Business Days — in-stock orders ship via UPS
30-Day Returns — pre-paid label on DOA and defective items
The 300-1027 is a Sun power supplies part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship in 1–3 business days if in stock.
How fast does the 300-1027 ship?
300-1027 orders ship in 1–3 business days 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 300-1027 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 300-1027?
The 300-1027 is a Sun server power supply unit with power 925W, manufactured by Sun. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with dispatch in 1–3 business days, backed by a 30-day return guarantee.
Pros & Cons of 300-1027
Pros
US shipping in 1–3 business days reduces production downtime
Cons
Wattage headroom should be sized at 70-80% sustained load
Cable harness sold separately on certain chassis
OEM warranty does not transfer with refurbished units
Frequently Asked Questions about 300-1027
Is the 300-1027 a genuine Sun part?
Yes. Pro Disk Network sources every 300-1027 as factory-original Sun inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Sun servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 300-1027 fit my system?
The 300-1027 is a Sun power supplies part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship in 1–3 business days if in stock.
How fast does the 300-1027 ship?
300-1027 orders ship in 1–3 business days 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 300-1027?
New 300-1027 units carry the full Sun 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 300-1027?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 300 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
300-1003 — 300-1003 - Sun 220-Watts 240V Power Supply — $720.00
300-1004 — 300-1004 - Sun 750-Watts Power Supply — $662.91
300-1010 — 300-1010 - Sun 116-Watts Power Supply — $720.00
300-1014 — 300-1014 - Sun Microsystems 250-Watts Power Supply — $888.30
300-1015 — 300-1015 - Sun 100-Watts Power Supply — $983.20
300-1016 — 300-1016 - Sun 850-Watts Power Supply — $1,016.49
300-1017 — 300-1017 - Sun 150-Watts Power Supply — $597.16
300-1019 — 300-1019 - Sun 170-Watts Power Supply — $736.24
300-1020 — 300-1020 - Sun 575-Watts Power Supply — $649.70
300-1022 — 300-1022 - Sun 325-Watts Power Supply — $521.89
300-1024 — 300-1024 - Sun 850-Watts Power Supply — $1,138.96
300-1025 — 300-1025 - Sun Microsystems 100-Watts Power Supply — $827.71
Pro Disk Network Buyer’s Guide: Power Supplies
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 300-1027 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 300-1027 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.