Alternative to 655639-B21-01: Better-Value Equivalents in Stock
Comparing the 655639-B21-01 (655639-B21-01 - HP Ethernet 10Gb 2ports 560FLB Network Adapter) 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 655639-B21-01
| SKU | 655639-B21-01 |
|---|---|
| Product | 655639-B21-01 - HP Ethernet 10Gb 2ports 560FLB Network Adapter |
| Current price | $144.58 |
| Stock status | In Stock |
| Detail page | View 655639-B21-01 › |
Alternatives to 655639-B21-01
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.
580151-001 - HP Nc551m Dual Port FlexFabric 10GB Converged Network Adapter Network Adapter PCI-Express 2.0 X8 2 Ports
SKU: 580151-001
Price: $103.62
764737-001 - HP Infiniband FDR/Ethernet 10GB/40GB 2-Port 544+FLR QSFP Network Adapter
SKU: 764737-001
Price: $47.37
657128-001 - HP 530T 2-Port 10GB/s RJ-45 PCI-Express x8 Network Ethernet Adapter
SKU: 657128-001
Price: $50.53
HPE P08438-001 2-Ports 10Gb/s 10GBase-X SFP+ 10 Gigabit Ethernet Network Adapter
SKU: P08438-001
Price: $134.74
779132-001 - HP InfiniBand FDR 544+FLR-QSFP 2-Port 10GB/40Gb Network Ethernet Adapter
SKU: 779132-001
Price: $137.63
HPE P10102-B21 2-Port 10Gb/s 10GBase-T RJ-45 Gigabit Ethernet PCI Express 3.0 Network Adapter for ProLiant Dl325 Gen10
SKU: P10102-B21
Price: $142.11
614506-001 - HP Dual Port 10Gb Ethernet PCI-Express Network Adapter Card
SKU: 614506-001
Price: $187.37
656594-001 - HP 530T 2-Port 10GB/s RJ-45 PCI-Express x8 Network Ethernet Adapter
SKU: 656594-001
Price: $187.37
HP AD385-60001 10Gb/s 10GBase-SR Gigabit Ethernet Fibre Channel PCI-X Network Adapter Card
SKU: AD385-60001
Price: $221.05
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.