Alternative to 581031-B21: Better-Value Equivalents in Stock
Comparing the 581031-B21 (581031-B21 - HP System Fan Kit for ProLiant DL380 G6 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 581031-B21
| SKU | 581031-B21 |
|---|---|
| Product | 581031-B21 - HP System Fan Kit for ProLiant DL380 G6 Server |
| Current price | $73.68 |
| Stock status | In Stock |
| Detail page | View 581031-B21 › |
Alternatives to 581031-B21
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.
732595-001 - HP 92mm 12v System Fan Assembly (tubeaxial System Fan with Cable) for ProLiant Ml10
SKU: 732595-001
Price: $283.34
600659-001 - HP 80mm System Fan Kit for ProLiant S6500 Chassis SL390 G7 Server
SKU: 600659-001
Price: $71.58
365866-B21 - HP Redundant System Fan Assembly Kit for ProLiant ML350 G4 Server
SKU: 365866-B21
Price: $173.68
642165-001 - HP System Fan (6 Fan and Baffle Kit) for Z800 Z820 WorkStation
SKU: 642165-001
Price: $288.83
224952-001 - HP Redundant Hot-Plug Fan Option Kit with Bracket for ProLiant ML370 G2/G3 Server
SKU: 224952-001
Price: $71.58
409579-B21 - HP Non Hot Plug Redundant Fan Kit for ProLiant ML350 G5 Server
SKU: 409579-B21
Price: $89.47
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.