Alternative to 811545-B21: Better-Value Equivalents in Stock
Comparing the 811545-B21 (811545-B21 - HP 4-Ports 366T Ethernet NIC - 4-1GB Ethernet Ports, PCI Express 2.1 X4) 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 811545-B21
| SKU | 811545-B21 |
|---|---|
| Product | 811545-B21 - HP 4-Ports 366T Ethernet NIC - 4-1GB Ethernet Ports, PCI Express 2.1 X4 |
| Current price | $517.47 |
| Stock status | In Stock |
| Detail page | View 811545-B21 › |
Alternatives to 811545-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.
811546-B21 - HP 4-Port 366t Ethernet NIC 4-1GB Ethernet Ports, PCI-Express 2.1 X4
SKU: 811546-B21
Price: $191.58
816551-001 - HP 4-Port 366t Ethernet NIC 4-1GB Ethernet Ports, PCI-Express 2.1 X4
SKU: 816551-001
Price: $191.58
811544-001 - HP 4-Port 366t Ethernet Nic - 4-1GB Ethernet Ports, Pci Express 2.1 X4
SKU: 811544-001
Price: $191.58
811547-B21 - HP 4-Port 366t Ethernet NIC 4-1GB Ethernet Ports, PCI-Express 2.1 X4
SKU: 811547-B21
Price: $305.26
H76298-001 - HP 4-Port 366t Ethernet Nic - 4-1GB Ethernet Ports, Pci Express 2.1 X4
SKU: H76298-001
Price: $517.47
FH969AA - HP Pro 1000 CT NIC PCI-Express x1 Gigabit Ethernet Network Interface Card (NIC)
SKU: FH969AA
Price: $151.33
BV897A - HP NC382m PCIe DP Multifunction Gigabit Server Adapter NIC PCI Express X4 Gigabit Ethernet 2 Ports for E5300 12TB LFF MDL SAS
SKU: BV897A
Price: $117.89
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
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
NC326M - HP PCI-Express 2-Port 1GB Mezzanine Gigabit Ethernet Network Interface Card (NIC)
SKU: NC326M
Price: $182.37
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.