Alternative to 377520-B21: Better-Value Equivalents in Stock
Comparing the 377520-B21 (377520-B21 - HP Hot plug 64-bit/133 PCI-X Mezzanine Kit 2 x PCI-X 133MHz) 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 377520-B21
| SKU | 377520-B21 |
|---|---|
| Product | 377520-B21 - HP Hot plug 64-bit/133 PCI-X Mezzanine Kit 2 x PCI-X 133MHz |
| Stock status | In Stock |
| Detail page | View 377520-B21 › |
Alternatives to 377520-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.
376472-001 - HP PCI-X Hot-Pluggable Mezzanine Circuit Board for ProLiant DL580 G3
SKU: 376472-001
Price: $1,197.89
764976-001 - HP 64GB iSolid State Drive Mezzanine Kit for ProLiant m700 Server Cartridge
SKU: 764976-001
Price: $861.12
756106-001 - HP 64GB iSolid State Drive Mezzanine Kit for ProLiant m700 Server Cartridge
SKU: 756106-001
Price: $900.70
764735-001 - HP InfiniBand 544+M FDR 10 / 40Gbps Dual Port PCI-Express 3.0 Mezzanine Network Adapter
SKU: 764735-001
Price: $96.84
764614-001 - HP InfiniBand 544+M 10Gbps Dual Port PCI-Express 3.0 Mezzanine Network Adapter
SKU: 764614-001
Price: $96.84
HP 448066-001 NC364M 4 x Ports 1GbE PCI-Express Fibre Channel Mezzanine Adapter Network Interface Card for c-Class BladeSystem
SKU: 448066-001
Price: $155.79
647590-B21 - HP FlexFabric 554M Dual Port 10Gb/s PCI Express 2.0 x8 Mezzanine Network Adapter
SKU: 647590-B21
Price: $187.37
644161-B21 - HP Infiniband PCI-Express Blade Mezzanine Host Channel Adapter
SKU: 644161-B21
Price: $191.58
764734-001 - HP InfiniBand 544+M QDR 10GB/s Dual Port PCI-Express 3.0 Mezzanine Network Adapter
SKU: 764734-001
Price: $296.30
764612-001 - HP InfiniBand 544+M QDR 10GB/s Dual Port PCI-Express 3.0 Mezzanine Network Adapter
SKU: 764612-001
Price: $318.32
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.