Alternative to 1821-3451: Better-Value Equivalents in Stock
Comparing the 1821-3451 (1821-3451 - HP 166MHz 66MHz FSB 512KB L2 Cache Socket CPGA Intel Pentium Pro 1-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 1821-3451
| SKU | 1821-3451 |
|---|---|
| Product | 1821-3451 - HP 166MHz 66MHz FSB 512KB L2 Cache Socket CPGA Intel Pentium Pro 1-Core Processor |
| Current price | $82.42 |
| Stock status | In Stock |
| Detail page | View 1821-3451 › |
Alternatives to 1821-3451
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.
1821-2244 - HP 166MHz 66MHz FSB 512KB L2 Cache Socket CPGA Intel Pentium Pro Processor
SKU: 1821-2244
Price: $82.42
F1360-69011 - HP 166MHz 66MHz FSB 512KB L2 Cache Socket CPGA Intel Pentium Pro Processor
SKU: F1360-69011
Price: $172.62
5063-9049 - HP 166MHz 66MHz FSB 512KB L2 Cache Socket 8 Intel Pentium Pro 1-Core Processor
SKU: 5063-9049
Price: $82.42
5064-0283 - HP 166MHz 66MHz FSB Socket 5 / 7 Intel Pentium 1-Core Processor
SKU: 5064-0283
Price: $117.66
1821-4304 - HP 266MHz 66MHz FSB 512KB L2 Cache Intel Pentium II 1-Core Processor
SKU: 1821-4304
Price: $82.42
1821-4834 - HP 366MHz 66MHz FSB 256KB L2 Cache Intel Pentium II 1-Core Processor
SKU: 1821-4834
Price: $86.38
1821-5317 - HP 400MHz 66MHz FSB 256KB L2 Cache Intel Pentium II 1-Core Processor
SKU: 1821-5317
Price: $116.95
1821-3452 - HP 200MHz 66MHz FSB 256KB L2 Cache Intel Pentium Pro Processor
SKU: 1821-3452
Price: $194.37
1821-4302 - HP 266MHz 66MHz 16KB L1 Cache Socket TCP320 Intel Pentium MMX 1-Core Processor
SKU: 1821-4302
Price: $78.99
1821-5865 - HP 500MHz 100MHz FSB 128KB L2 Cache Socket H-PBGA495 / PPGA495 Intel Celeron 1-Core Processor
SKU: 1821-5865
Price: $82.42
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.