Alternative to 660666RB21: Better-Value Equivalents in Stock
Comparing the 660666RB21 (660666RB21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core 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 660666RB21
| SKU | 660666RB21 |
|---|---|
| Product | 660666RB21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor |
| Current price | $464.57 |
| Stock status | In Stock |
| Detail page | View 660666RB21 › |
Alternatives to 660666RB21
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.
676949-001 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for ProLiant Gen8 Servers
SKU: 676949-001
Price: $96.84
693158-001 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for HP ProLiant Gen8 Servers
SKU: 693158-001
Price: $127.97
660666-B21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for HP ProLiant DL360e Gen8 Server
SKU: 660666-B21
Price: $147.37
660666-L21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor
SKU: 660666-L21
Price: $147.37
661134-B21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for HP ProLiant DL380e Gen8 Server
SKU: 661134-B21
Price: $147.37
740885-B21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor Upgrade
SKU: 740885-B21
Price: $212.32
661134-L21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor
SKU: 661134-L21
Price: $244.76
667422-B21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for ProLiant BL420c Gen8 Server
SKU: 667422-B21
Price: $254.46
667422-L21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for ProLiant BL420c Gen8 Server
SKU: 667422-L21
Price: $254.46
665864-B21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor for HP ProLiant ML350e Gen8 Server
SKU: 665864-B21
Price: $406.50
665864-L21 - HP 1.80GHz 6.40GT/s QPI 10MB L3 Cache Socket LGA1356 Intel Xeon E5-2403 Quad-Core Processor
SKU: 665864-L21
Price: $406.50
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.