Alternative to A5866-04001: Better-Value Equivalents in Stock
Comparing the A5866-04001 (A5866-04001 - HP 550MHz 1.5MB Cache PA-8600 Processor) 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 A5866-04001
| SKU | A5866-04001 |
|---|---|
| Product | A5866-04001 - HP 550MHz 1.5MB Cache PA-8600 Processor |
| Current price | $105.93 |
| Stock status | In Stock |
| Detail page | View A5866-04001 › |
Alternatives to A5866-04001
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.
A6177A - HP PA-8600 RISC 550MHz 1.5MB Integrated Cache for E3000 / N4000 Node Server
SKU: A6177A
Price: $326.00
A5992-66510 - HP C3600 System Board (Motherboard) Include 550MHz PA-8600 CPU with Heatsink
SKU: A5992-66510
Price: $3,032.84
A7009-04001 - HP 900MHz 400MHz FSB 1.5MB L2 Cache Socket PPGA611 Intel Itanium 1-Core Processor
SKU: A7009-04001
Price: $78.99
AB334-04001 - HP 1.60GHz 533MHz FSB 6MB L2 Cache Socket PPGA611 Intel Itanium 1-Core Processor
SKU: AB334-04001
Price: $86.38
A9733-04001 - HP 1.60GHz 533MHz FSB 9MB L2 Cache Socket PGA611 Intel Itanium 2-Core Processor
SKU: A9733-04001
Price: $95.30
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.