Alternative to 656721-001: Better-Value Equivalents in Stock
Comparing the 656721-001 (656721-001 - HP 300-Watts ATX 24-Pin Power Supply With Active Power Factor Correction for Pro 3330 3400 3410) against alternatives? Pro Disk Network stocks 12 similar HP 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 656721-001
| SKU | 656721-001 |
|---|---|
| Product | 656721-001 - HP 300-Watts ATX 24-Pin Power Supply With Active Power Factor Correction for Pro 3330 3400 3410 |
| Stock status | In Stock |
| Detail page | View 656721-001 › |
Alternatives to 656721-001
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.
405479-002 - HP 300-Watts ATX 100-240V AC 24-Pin ATX Power Supply with Active Power Factor Correction for DC5100 Desktop System
SKU: 405479-002
Price: $73.68
366301-007 - HP 300-Watts 100-240V AC 45-66hz ATX Power Supply with Power Factor Correction for DeskPro 300
SKU: 366301-007
Price: $150.09
405872-001 - HP 300-Watts 100-240V AC ATX 24-Pin Power Supply with Active Power Factor Correction for DC5100 Desktop System
SKU: 405872-001
Price: $73.68
437407-001 - HP 300-Watts ATX 24-Pin Power Supply with Power Factor Correction for XW4550 WorkStation
SKU: 437407-001
Price: $103.16
404471-001 - HP 300-Watts 24-Pin ATX Power Supply with Passive Power Factor Correction for DC5700 DC5750 CMT XW3400 WorkStation
SKU: 404471-001
Price: $110.53
405479-001 - HP 300-Watts 100-240V AC ATX 24-Pin Power Supply with Active Power Factor for DC5100 Desktop System
SKU: 405479-001
Price: $157.07
463318-001 - HP 300-Watts ATX 24-Pin Power Supply without Power Factor Correction for DX2400M
SKU: 463318-001
Price: $178.95
243890-001 - HP 250-Watts 120-240V AC 45-66Hz 20-Pin ATX Power Supply with Power Factor Correction for EVO D500 300 Desktop System
SKU: 243890-001
Price: $194.74
244166-001 - HP 250-Watts 120-240V AC 45-66Hz 20-Pin ATX Power Supply with Power Factor Correction for EVO D500 300 Desktop System
SKU: 244166-001
Price: $194.74
366307-001 - HP 300-Watts 100-127V 24-Pin ATX Power Factor Correction Power Supply for DC5100 Desktop System
SKU: 366307-001
Price: $250.53
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.