Sun part number 300-1212-03 identifies the 300-1212-03 - Sun 60-Watts Power Supply with Pull Ring, an enterprise-grade Power Supplies unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include power of 60W. 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 300-1212-03 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 300-1212-03 is a Sun power supplies component with power 60W. Pricing on the 300-1212-03 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 300-1212-03 are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
The 300-1212-03 is a Sun 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 300-1212-03 ship?
300-1212-03 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 300-1212-03 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 300-1212-03?
The 300-1212-03 is a Sun server power supply unit with power 60W, manufactured by Sun. 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 300-1212-03
Pros
Same-day US shipping 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 300-1212-03
Is the 300-1212-03 a genuine Sun part?
Yes. Pro Disk Network sources every 300-1212-03 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 300-1212-03 fit my system?
The 300-1212-03 is a Sun 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 300-1212-03 ship?
300-1212-03 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 300-1212-03?
New 300-1212-03 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 300-1212-03?
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.
300-1212-XX — 300-1212-XX - Sun 60-Watts Power Supply — $290.60
300-1215 — 300-1215 - Sun 150-Watts AC Power Supply For SparcStation 5 20 — $169.80
300-1215-02 — 300-1215-02 - Sun 150-Watts AC Power Supply — $332.34
300-1216 — 300-1216 - Sun SPARC 5 Power Supply — $400.89
300-1216-03 — 300-1216-03 - Sun SPARC 5 Power Supply — $1,354.91
300-1248 — 300-1248 - Sun 180-Watts AC Power Supply Input — $299.89
300-1249 — 300-1249 - Sun 350-Watts AC Power Supply Input — $99.46
300-1255 — 300-1255 - Sun 140-Watts AC Input Power Supply — $106.82
300-1257 — 300-1257 - Sun 50-Watts AC Input Power Supply — $112.00
300-1258 — 300-1258 - Sun 2410-Watts AC Power Supply — $1,020.78
300-1260 — 300-1260 - Sun 300-Watts AC Power Supply for Enterprise 3000 / 4000 — $145.60
300-1260-02 — 300-1260-02 - Sun 300-Watts AC Power Supply for Enterprise 3000 / 4000 — $106.89
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 300-1212-03 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 300-1212-03 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.