Alternative to 665240-B21: Better-Value Equivalents in Stock
Comparing the 665240-B21 (HPE 665240-B21 4-Ports 1Gb/s 10/100/1000Base-T PCI-Express x4 366FLR FIO 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 665240-B21
| SKU | 665240-B21 |
|---|---|
| Product | HPE 665240-B21 4-Ports 1Gb/s 10/100/1000Base-T PCI-Express x4 366FLR FIO Gigabit Ethernet Network Adapter |
| Current price | $128.42 |
| Stock status | In Stock |
| Detail page | View 665240-B21 › |
Alternatives to 665240-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.
HPE R8N87A#ABA Aruba 6000 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE 4-Ports SFP 1-Ports USB-C Console 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet Network Switch
SKU: R8N87A#ABA
Price: $1,109.16
HPE R8N89A#ABA Aruba 6000 12G-Class4-PoE-2G/2SFP 12-Ports 10/100/1000Base-T PoE+ 2-Ports SFP 2-Ports 1GbE Base-T 1-Ports USB-C Console 1-Port USB Type-A Layer 2 1U Rack Mount Gigabit Ethernet Manageab
SKU: R8N89A#ABA
Price: $1,221.05
HPE R8N87-61101 Aruba 6000 Series 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE + 4-Ports SFP + 1-Ports USB-C Console + 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet
SKU: R8N87-61101
Price: $1,342.11
HPE R8N87-61001 Aruba 6000 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE 4-Ports SFP 1-Ports USB-C Console 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet Network Switc
SKU: R8N87-61001
Price: $1,342.11
HPE JL385AR HP JL385AR OfficeConnect 1920 Series 1920S 24G 2SFP PoE+ 12 x Rj-45 Ports PoE+ 10/100/1000Base-T + 12 x RJ-45 Ports + 2 x SFP Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Network
SKU: JL385AR
Price: $229.47
HPE JG894-61101 HP JG894-61101 Flex Fabric 5700-48G-4XG-2QSFP+ 48 x RJ-45 Ports 10/100/1000Base-T + 4 x SFP+ Ports + 2 x QSFP+ Ports Layer 2 Managed Rack-mountable Gigabit Ethernet Network Switch
SKU: JG894-61101
Price: $247.37
HPE JF242-61101 5800 Series 5810-48G 48xRJ-45 Ports 10/100/1000Base-T + 2xSFP Ports + 2xSFP+ Ports Layer3 Managed Gigabit Ethernet Switch
SKU: JF242-61101
Price: $334.74
HPE JF242AR 5800 Series 5810-48G 48xRJ-45 Ports 10/100/1000Base-T + 2xSFP Ports + 2xSFP+ Ports Layer3 Managed Gigabit Ethernet Switch
SKU: JF242AR
Price: $334.74
HPE JL386AR HP JL386AR OfficeConnect 1900 Series 1920S 48G 4SFP PPoE+ 24 x RJ-45 Ports PoE+ 10/100/1000Base-T + 24 x RJ-45 Ports + 4 x SFP Ports Layer 3 Managed Rack-mountable Gigabit Ethernet Network
SKU: JL386AR
Price: $549.47
HPE JG960-61101 HP JG960-61101 OfficeConnect 1950 Series 1950-24G-2SFP+-2XGT 24 x RJ-45 Ports 10/100/1000Base-T + 2 x SFP+ Ports + 2 x Dual Personality RJ-45/SFP+ Ports Layer 3 Managed Rack-mountable
SKU: JG960-61101
Price: $640.00
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.