Alternative to 647594-B21: Better-Value Equivalents in Stock
Comparing the 647594-B21 (647594-B21 - HP 331T Quad Port 1GB PCI-Express Gigabit Ethernet 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 647594-B21
| SKU | 647594-B21 |
|---|---|
| Product | 647594-B21 - HP 331T Quad Port 1GB PCI-Express Gigabit Ethernet Network Adapter |
| Current price | $191.58 |
| Stock status | In Stock |
| Detail page | View 647594-B21 › |
Alternatives to 647594-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.
649871-001 - HP 331T Quad Port 1GB PCI-Express Gigabit Ethernet Network Adapter
SKU: 649871-001
Price: $68.42
468001-001 - HP NC375i PCI-Express Quad Port 1GB Gigabit Ethernet Network Interface Card (NIC) for ProLiant ML370 G6 Server
SKU: 468001-001
Price: $73.68
516437-B21 - HP NC375i PCI-Express Quad Port 1GB Gigabit Ethernet Network Interface Card (NIC) for ProLiant ML370 G6 Server
SKU: 516437-B21
Price: $73.68
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
441833-001 - HP NC364T PCI-Express Quad Port 10/100/1000Base-T Gigabit Ethernet Network Interface Card (NIC)
SKU: 441833-001
Price: $73.68
NC365T - HP NC365T PCI-Express 1GBE Quad Port Gigabit Ethernet Server Adapter Network Interface Card (NIC)
SKU: NC365T
Price: $160.00
D90972 - HP NC364T PCI-Express Quad Port 10/100/1000Base-T Gigabit Ethernet Network Interface Card (NIC)
SKU: D90972
Price: $182.37
D72527-003 - HP NC364T PCI-Express Quad Port 10/100/1000Base-T Gigabit Ethernet Network Interface Card (NIC)
SKU: D72527-003
Price: $205.26
435506-002 - HP NC364T PCI-Express Quad Port 10/100/1000Base-T Gigabit Ethernet Network Interface Card (NIC)
SKU: 435506-002
Price: $226.08
HSTNS-BN50 - HP NC375T Quad Port PCI Express Gigabit Ethernet Server Adapter
SKU: HSTNS-BN50
Price: $250.53
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.