Alternative to 450-ADUO: Better-Value Equivalents in Stock
Comparing the 450-ADUO (450-ADUO - Dell 550-Watts Hot Pluggable Power Supply for PowerEdge R320 R420 DX6104) 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 450-ADUO
| SKU | 450-ADUO |
|---|---|
| Product | 450-ADUO - Dell 550-Watts Hot Pluggable Power Supply for PowerEdge R320 R420 DX6104 |
| Current price | $220.91 |
| Stock status | In Stock |
| Detail page | View 450-ADUO › |
Alternatives to 450-ADUO
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.
HP-D550P-00 - Dell 550-Watts 100-240V Power Supply for Precision 450 470
SKU: HP-D550P-00
Price: $293.84
HP-U551FF3 - Dell 550-Watts 100-240V Power Supply for Precision 450 470
SKU: HP-U551FF3
Price: $392.99
D1257 - Dell 550-Watts 100-240V Power Supply for Precision 450/470 WorkStation
SKU: D1257
Price: $429.83
0D1257 - Dell 550-Watts 100-240V Power Supply for Precision 450/470 WorkStation
SKU: 0D1257
Price: $429.83
RS-PSU-450-4835-AC-1 - Dell 450-Watts 100-240V Power Supply for EqualLogic PS6500
SKU: RS-PSU-450-4835-AC-1
Price: $145.26
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.