Replacement for 764302-B21: Drop-In Alternatives We Stock
Looking for a replacement for the 764302-B21 (764302-B21 - HP FlexFabric 10Gb/s 4-Ports 536FLR-T Network Adapter)? Pro Disk Network ships HP drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the 764302-B21
| SKU | 764302-B21 |
|---|---|
| Product | 764302-B21 - HP FlexFabric 10Gb/s 4-Ports 536FLR-T Network Adapter |
| Current price | $184.21 |
| Stock status | In Stock |
| Detail page | View 764302-B21 › |
Drop-in replacements for 764302-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.
580151-001 - HP Nc551m Dual Port FlexFabric 10GB Converged Network Adapter Network Adapter PCI-Express 2.0 X8 2 Ports
SKU: 580151-001
Price: $103.62
647588-001 - HP FlexFabric 10GB 554M Adapter - Network Adapter - 2-Ports
SKU: 647588-001
Price: $205.26
HPE 768080-001 HP 768080-001 FlexFabric 2 x Ports 10Gb/s 536FLB PCI-Express V3.0 Network Adapter
SKU: 768080-001
Price: $145.26
794526-B21 - HP FlexFabric 2-Ports 10Gb/s 556FLR-T FIO Network Adapter
SKU: 794526-B21
Price: $2,394.14
HPE JL689-61001 FlexFabric 5710-24XGT 24-Ports 10GBase-T 6-Ports QSFP+ 40GbE 2-Ports QSFP28 100GbE 1GB FlashMemory 4GB SDRAM Layer 3 Managed 1U rack-Mountable GbE Network Switch
SKU: JL689-61001
Price: $5,884.21
HPE JL585AR FlexFabric 5710 Series 5710 48SFP+ 6QS+/2QS28 48 x SFP+ Ports 10GBase-X + 6 x QSFP+ Ports + 2 x QSFP28 Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Network Switch
SKU: JL585AR
Price: $8,178.95
571956-B21 - HPE 24 x Ports + 16 x 10GbE (backplane) + 4 x Ports 10GbE 8Gb/s Fibre Channel SFP+ + 4 x Ports 10GbE SFP+ Virtual Connect Flexfabric Module Switch
SKU: 571956-B21
Price: $145.26
HPE JG898-61001 HP JG898-61001 FlexFabric 5700 Series 5700-32XGT-8XG-2QSFP+ 32 x RJ-45 Ports 10GBase-T + 8 x SFP+ Fixed Fiber Ports + 2 x QSFP+ Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Ne
SKU: JG898-61001
Price: $608.42
HPE JG898-61101 HP JG898-61101 FlexFabric 5700 Series 5700-32XGT-8XG-2QSFP+ 32 x RJ-45 Ports 10GBase-T + 8 x SFP+ Fixed Fiber Ports + 2 x QSFP+ Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Ne
SKU: JG898-61101
Price: $608.42
HPE JH038-61101 HP JH038-61101 FlexFabric 5900 Series 5900AF-48G-4XG-2QSFP+ 48 x RJ-45 Ports 10/100/1000Base-T + 4 x SFP+ Ports + 2 x QSFP+ Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Networ
SKU: JH038-61101
Price: $721.05
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.