Alternative to C921D: Better-Value Equivalents in Stock
Comparing the C921D (C921D - Dell 425-Watts 24-Pin ATX Power Supply for Studio XPS 420 430 and PowerEdge 830) against alternatives? Pro Disk Network stocks 12 similar Dell 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 C921D
| SKU | C921D |
|---|---|
| Product | C921D - Dell 425-Watts 24-Pin ATX Power Supply for Studio XPS 420 430 and PowerEdge 830 |
| Stock status | In Stock |
| Detail page | View C921D › |
Alternatives to C921D
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.
PS-7431-2DF-LF - Dell 425-Watts 24-Pin ATX Power Supply for XPS 420 430 PowerEdge 830
SKU: PS-7431-2DF-LF
Price: $273.91
TP728 - Dell 425-Watts 100-240V ATX Power Supply for XPS 420/430,PowerEdge 830
SKU: TP728
Price: $235.79
0TP728 - Dell 425-Watts 100-240V ATX Power Supply for XPS 420/430,PowerEdge 830
SKU: 0TP728
Price: $235.79
DNR74 - Dell 425-Watts 100-240V Redundant Power Supply for Precision T3610 T3600 T5810
SKU: DNR74
Price: $138.95
003MFJ - Dell 425-Watts 100-240V 80 Plus Gold Power Supply for Precision T3600 T3610
SKU: 003MFJ
Price: $143.39
D425EF-02 - Dell 425-Watts 100-240V Redundant Power Supply for Precision T3610 T3600 T5810
SKU: D425EF-02
Price: $149.47
AC425EF-01 - Dell 425-Watts 100-240V Redundant Power Supply for Precision T3610 T3600 T5810
SKU: AC425EF-01
Price: $160.00
FFD0H - Dell 425-Watts 100-240V Redundant Power Supply for Precision T3610 T3600 T5810
SKU: FFD0H
Price: $160.00
YFY1V - Dell 425-Watts 100-240V Hot Swappable Power Supply for Precision T5810
SKU: YFY1V
Price: $168.42
D425EF-00 - Dell 425-Watts 100-240V Redundant Power Supply for Precision T3610 T3600 T5810
SKU: D425EF-00
Price: $182.37
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.