Alternative to 300-1931: Better-Value Equivalents in Stock
Comparing the 300-1931 (300-1931 - Sun Power Supply A185 AC 48V DC for SunFire E4900 RoHS YL) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the 300-1931
| SKU | 300-1931 |
|---|---|
| Product | 300-1931 - Sun Power Supply A185 AC 48V DC for SunFire E4900 RoHS YL |
| Current price | $757.89 |
| Stock status | In Stock |
| Detail page | View 300-1931 › |
Alternatives to 300-1931
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
300-2006-03 - Sun 550-Watts 48V DC Redundant Power Supply for SunFire X4100 / X4200 Series Servers
SKU: 300-2006-03
Price: $179.58
300-2006-01 - Sun 550-Watts 48V DC Redundant Power Supply for SunFire X4100 / X4200 Series Servers
SKU: 300-2006-01
Price: $642.43
300-2006-02 - Sun 550-Watts 48V DC Redundant Power Supply for SunFire X4100 / X4200 Series Servers
SKU: 300-2006-02
Price: $752.24
300-1917 - Sun 4000 / 4700-Watts 48V AC Power Supply for SunFire 12K / 15K / E20K / E25K
SKU: 300-1917
Price: $952.71
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.