Alternative to 728993-B21: Better-Value Equivalents in Stock
Comparing the 728993-B21 (728993-B21 - HP 571FLR-SFP+ - Network Adapter - PCI Express 2 X8 Low Profile - 10 Gigabit SFP+ X 2 - for PROLIANT DL360P GEN8, DL380P GEN8) 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 728993-B21
| SKU | 728993-B21 |
|---|---|
| Product | 728993-B21 - HP 571FLR-SFP+ - Network Adapter - PCI Express 2 X8 Low Profile - 10 Gigabit SFP+ X 2 - for PROLIANT DL360P GEN8, DL380P GEN8 |
| Current price | $552.47 |
| Stock status | In Stock |
| Detail page | View 728993-B21 › |
Alternatives to 728993-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.
HP CN1100R StoreFabric 2 x Ports PCI Express x8 Optical Fiber Low Profile Converged Network Adapter
SKU: CN1100R
Price: $71.58
HPE 840138-001 2-Ports 10GBase-T PCI-Express 3.0 x4 Low-Profile Network Adapter for ProLiant DL360 / DL380 Gen10
SKU: 840138-001
Price: $128.42
HPE 817745-B21 2-Ports 10GBase-T PCI-Express 3.0 x4 Low-Profile Network Adapter for ProLiant DL360 / DL380 Gen10
SKU: 817745-B21
Price: $128.42
HPE P02012-B21 1-Ports 100GB/s 100GBase-X QSFP28 PCI Express 3.0 X8 Low Profile Plug-in Card Network Adapter
SKU: P02012-B21
Price: $349.47
HPE P24249-001 Infiniband HDR100/Ethernet 2-Ports 100GBase-X QSFP56 PCI-Express 4.0 x16 Low-Profile Network Adapter
SKU: P24249-001
Price: $608.42
HPE P24752-001 Infiniband HDR100/Ethernet 2-Ports 100GBase-X QSFP56 PCI-Express 4.0 x16 Low-Profile Network Adapter
SKU: P24752-001
Price: $608.42
HPE 593743-001 HP 593743-001 NC365T 4x Ports 1000Base-T PCI-Express 2.0 x4 Low Profile Ethernet Server Adapter
SKU: 593743-001
Price: $160.00
HPE P08355-001 InfiniBand HDR100/Ethernet 2-Ports 100GbEPCI-Express 3.0 x16 Low-Profile Gigabit Ethernet Network Adapter
SKU: P08355-001
Price: $549.47
313881-B21 - HP NC7170 Dual Port PCI-X 10T 100TX 1000T Gigabit Adapter (Low Profile)
SKU: 313881-B21
Price: $71.58
NC7170 - HP NC7170 Dual Port PCI-X 10T 100TX 1000T Gigabit Adapter (Low Profile)
SKU: NC7170
Price: $71.58
313586-001 - HP NC7170 Dual Port PCI-X 10T 100TX 1000T Gigabit Adapter (Low Profile)
SKU: 313586-001
Price: $71.58
313559-001 - HP NC7170 Dual Port PCI-X 10T 100TX 1000T Gigabit Adapter (Low Profile)
SKU: 313559-001
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.