Replacement for 391793-B21: Drop-In Alternatives We Stock
Looking for a replacement for the 391793-B21 (391793-B21 - HP 2.80GHz 800MHz FSB 1MB L2 Cache Socket PGA604 intel Xeon Processor for ProLiant BL20p G3 Blade Server)? Pro Disk Network ships HP drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the 391793-B21
| SKU | 391793-B21 |
|---|---|
| Product | 391793-B21 - HP 2.80GHz 800MHz FSB 1MB L2 Cache Socket PGA604 intel Xeon Processor for ProLiant BL20p G3 Blade Server |
| Current price | $378.95 |
| Stock status | In Stock |
| Detail page | View 391793-B21 › |
Drop-in replacements for 391793-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.
391793-L21 - HP 2.80GHz 800MHz FSB 1MB L2 Cache Socket PPGA604 Intel Xeon 1-Core Processor
SKU: 391793-L21
Price: $86.38
371697-001 - HP Intel Xeon 3.4GHz 1MB L2 Cache 800MHz FSB 604-Pin Micro-Fcpga Socket 90nm Processor
SKU: 371697-001
Price: $71.58
378006-001 - HP 3.0GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon Processor Upgrade for ProLiant DL380 G4 Server
SKU: 378006-001
Price: $71.58
380040-B21 - HP 3.0GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon Processor for ProLiant Ml370 G4 Server
SKU: 380040-B21
Price: $71.58
371698-001 - HP 3.60GHz 800MHz FSB 1MB L2 Cache Socket PPGA604 Intel Xeon Processor
SKU: 371698-001
Price: $71.58
355928-B21 - HP 3.60GHz 800MHz FSB 1MB L2 Cache Socket PGA-604 Intel Xeon Single Core Processor for ProLiant BL20p G3 Blade Server
SKU: 355928-B21
Price: $73.68
368273-L21 - HP 3.20GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon 1-Core Processor
SKU: 368273-L21
Price: $75.82
349931-004 - HP 3.0GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon Processor for ProLiant DL380 G4 Server
SKU: 349931-004
Price: $77.57
DY667A - HP 3.20GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon Processor for XW6200 Workstation
SKU: DY667A
Price: $80.33
367732-001 - HP 3.60GHz 800MHz FSB 1MB L2 Cache Socket PGA604 Intel Xeon Processor for XW6200 Workstation
SKU: 367732-001
Price: $80.33
349931-203 - HP 3.20GHz 800MHz FSB 1MB L2 Cache Socket PPGA604 Intel Xeon 1-Core Processor
SKU: 349931-203
Price: $81.57
349931-103 - HP 3.20GHz 800MHz FSB 1MB L2 Cache Socket PPGA604 Intel Xeon 1-Core Processor
SKU: 349931-103
Price: $81.57
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.