Alternative to 581204-B21: Better-Value Equivalents in Stock
Comparing the 581204-B21 (581204-B21 - HP NC550M PCI-Express x8 2-Port Flex-10 10GbE Gigabit Ethernet Server Adapter for HP ProLiant c-Class BladeSystem) 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 581204-B21
| SKU | 581204-B21 |
|---|---|
| Product | 581204-B21 - HP NC550M PCI-Express x8 2-Port Flex-10 10GbE Gigabit Ethernet Server Adapter for HP ProLiant c-Class BladeSystem |
| Current price | $163.16 |
| Stock status | In Stock |
| Detail page | View 581204-B21 › |
Alternatives to 581204-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.
586445-001 - HP NC550M PCI-Express x8 2-Port Flex-10 10GbE Gigabit Ethernet Server Adapter for HP ProLiant c-Class BladeSystem
SKU: 586445-001
Price: $163.16
NC542M - HP PCI-Express 2-Port Flex-10 10GBe Mezzanine Gigabit Ethernet Server Adapter for ProLiant c-Class BladeSystem
SKU: NC542M
Price: $291.79
581202-001 - HP NC550M PCI-Express x8 2-Port Flex-10 10GbE Gigabit Ethernet Server Adapter for HP ProLiant c-Class BladeSystem
SKU: 581202-001
Price: $571.68
HP 467799-B21 NC532M Flex-10 2 x Ports 10GbE PCI-Express Mezzanine Gigabit Ethernet Server Adapter for HP ProLiant c-Class BladeSystem
SKU: 467799-B21
Price: $170.53
HP 539933-001 NC542M Flex-10 2 x Ports 10GbE PCI-Express Mezzanine Gigabit Ethernet Server Adapter for ProLiant c-Class BladeSystem
SKU: 539933-001
Price: $173.68
NC552SFP - HP 10GB 2-Port Ethernet Server Adapter Network Adapter PCI-Express 2.0 X8 10 Gigabit Ethernet 2 Ports
SKU: NC552SFP
Price: $61.05
614202-B21 - HP Nc552SFP 10GB 2-Port Ethernet Server Adapter Network Adapter PCI-Express 2.0 X8 10 Gigabit Ethernet 2 Ports
SKU: 614202-B21
Price: $280.87
HP JH018A#ABB OfficeConnect 1420 24G 2SFP+ 24-Port 24 x 10/100/1000 + 2 x 1 Gigabit / 10 Gigabit SFP+ Gigabit Ethernet Unmanaged 1U Rack-mountable Network Switch
SKU: JH018A-ABB
Price: $712.64
HP JH018A#AC3 OfficeConnect 1420 24G 2SFP+ 24-Port 24 x 10/100/1000 + 2 x 1 Gigabit / 10 Gigabit SFP+ Gigabit Ethernet Unmanaged 1U Rack-mountable Network Switch
SKU: JH018A-AC3
Price: $712.64
HP JL316A#ABB Altoline 6921 48-Port 48 x 10 Gigabit Ethernet + 6 x 40 Gigabit Ethernet 1U Rack-mountable Layer 3 Switch
SKU: JL316A-ABB
Price: $8,157.89
HP JL317A#ABA Altoline 6921 48-Port 48 x 10 Gigabit Ethernet + 6 x 40 Gigabit Ethernet Rack-mountable Layer 3 Switch
SKU: JL317A-ABA
Price: $13,404.63
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.