Alternative to 643077-B21: Better-Value Equivalents in Stock
Comparing the 643077-B21 (643077-B21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor for ProLiant DL580 G7 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 643077-B21
| SKU | 643077-B21 |
|---|---|
| Product | 643077-B21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor for ProLiant DL580 G7 Server |
| Current price | $313.68 |
| Stock status | In Stock |
| Detail page | View 643077-B21 › |
Alternatives to 643077-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.
643077-L21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor for ProLiant DL580 G7 Server
SKU: 643077-L21
Price: $952.63
653055-001 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor for ProLiant G7 Servers
SKU: 653055-001
Price: $147.37
643776-B21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor for ProLiant BL680c G7 Server
SKU: 643776-B21
Price: $265.26
643776-L21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor Kit (2-Processors) for ProLiant BL680c G7 Server
SKU: 643776-L21
Price: $373.68
650766-B21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core ProcessorKit (4-Processors) for ProLiant DL980 G7 Server
SKU: 650766-B21
Price: $415.79
650766-L21 - HP 1.86GHz 4.80GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor
SKU: 650766-L21
Price: $415.79
643077RB21 - HP 1.86GHz 4.8GT/s QPI 18MB SmartCache Socket LGA1567 Intel Xeon E7-4807 6-Core Processor
SKU: 643077RB21
Price: $97.55
594894-001 - HP 2.0GHz 6.40GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon X7550 Octa-core (8 Core) Processor
SKU: 594894-001
Price: $71.58
594897-001 - HP 2.0GHz 6.40GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon E7540 Hexa-core (6 Core) Processor for ProLiant Servers
SKU: 594897-001
Price: $71.58
597899-001 - HP 2.0GHz 6.40GT/s QPI 18MB L3 Cache Socket LGA1567 Intel Xeon X6550 Octa-core (8 Core) Processor
SKU: 597899-001
Price: $71.58
579277-001 - HP 1.87GHz 4.8GT/s QPI 18MB L3 Cache Socket FCLGA1567 Intel Xeon E7520 4-Core Processor
SKU: 579277-001
Price: $73.68
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.