Alternative to 401231-B31: Better-Value Equivalents in Stock
Comparing the 401231-B31 (401231-B31 - Compaq 500-Watts Power Supply for ProLiant ML750 Server) 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 401231-B31
| SKU | 401231-B31 |
|---|---|
| Product | 401231-B31 - Compaq 500-Watts Power Supply for ProLiant ML750 Server |
| Current price | $380.67 |
| Stock status | In Stock |
| Detail page | View 401231-B31 › |
Alternatives to 401231-B31
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.
401231-001 - HP 500-Watts Redundant Hot-Pluggable Power Supply for Proliant ML750 DL760 8000 8500
SKU: 401231-001
Price: $105.26
506077-002 - HP 500-Watts 100-240V Power Supply for ProLiant DL320 G6/ DL160 G6 Server
SKU: 506077-002
Price: $52.63
723597-B21 - HP 500-Watts Flex Slot Platinum Hot-Pluggable Power Supply Kit for ProLiant DL360/ DL380/ ML350 Gen9 Server
SKU: 723597-B21
Price: $54.74
DPS-500GB-H - HP 500-Watts Switching Power Supply with PFC for ProLiant DL140/ DL145 G2 Server
SKU: DPS-500GB-H
Price: $211.00
622381-101 - HP 500-Watts 100-120V 5A Power Supply for ProLiant DL320 G6/ DL160 G6 Server
SKU: 622381-101
Price: $211.00
283665-B21 - HP 500-Watts Redundant Power Supply for Proliant ML350 Gen3 Server
SKU: 283665-B21
Price: $574.99
R1T38A - Aruba Networks 500-Watts Power Supply for HPE Aruba ProLiant DL360 Gen10 Server, Airwave Multivendor
SKU: R1T38A
Price: $1,305.09
339317-001 - HP ProLiant ML370 G3 Intel Xeon 3.06GHz CPU 1GB DDR SDRAM RageXL 8MB 110/220V AC 500-Watts Power Supply 5U Rack-Mountable Server System
SKU: 339317-001
Price: $1,823.16
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.