Alternative to 721503-005: Better-Value Equivalents in Stock
Comparing the 721503-005 (721503-005 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card) 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 721503-005
| SKU | 721503-005 |
|---|---|
| Product | 721503-005 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card |
| Current price | $226.08 |
| Stock status | In Stock |
| Detail page | View 721503-005 › |
Alternatives to 721503-005
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.
721502-005 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card
SKU: 721502-005
Price: $182.37
174829-001 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card
SKU: 174829-001
Price: $71.58
726837-011 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card
SKU: 726837-011
Price: $87.74
729757-006 - HP Nc3123 Fast Ethernet Card PCI Intel 10/100mbps Network Interface Card
SKU: 729757-006
Price: $205.26
J9536-61101 - HP Expansion Module - Ethernet, Fast Ethernet, Gigabit Ethernet - 10base-t, 100base-tx, 1000base-t - 20 Ports + 2 X Sfp+
SKU: J9536-61101
Price: $194.74
174831-001 - HP Nc3123 Fast Ethernet PCI Intel 10/100mbps Utp Network Interface Card
SKU: 174831-001
Price: $71.58
HP 5064-2607 10/100Base-T PCI-Express Fast Ethernet Network Interface Card
SKU: 5064-2607
Price: $71.58
174830-B21 - HP Nc3123 Controller Fast Ethernet 10/100 PCI Network Interface Card
SKU: 174830-B21
Price: $71.58
317600-B21 - HP NC3120 PCI 10/100Base-TX Fast Ethernet Network Interface Card (NIC)
SKU: 317600-B21
Price: $71.58
HP 338478-001 NC3131 2 x Port 10/100Base PCI 64-Bit Fast Ethernet Network Interface Card
SKU: 338478-001
Price: $71.58
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.