Alternative to E66561: Better-Value Equivalents in Stock
Comparing the E66561 (E66561 - Intel Single-Port 10GBase-LR Ethernet PCIe Server Adapter) against alternatives? Pro Disk Network stocks 12 similar Intel 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 E66561
| SKU | E66561 |
|---|---|
| Product | E66561 - Intel Single-Port 10GBase-LR Ethernet PCIe Server Adapter |
| Stock status | In Stock |
| Detail page | View E66561 › |
Alternatives to E66561
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.
XL710QDA2 - Intel 40GbE Dual Port QSFP+ PCIe 3.0 x8 Low-Profile Ethernet Converged Network Adapter
SKU: XL710QDA2
Price: $1,177.47
PWLA8490MTG1P20 - Intel PRO/1000 MT Single-Port RJ-45 Gigabit Ethernet PCI Express Server Network Adapter
SKU: PWLA8490MTG1P20
Price: $153.83
540-BCCN - Dell Intel XXV710 Dual Port 25GbE SFP28 PCIe Adapter Low Profile for Rack Server PowerEdge C4140
SKU: 540-BCCN
Price: $178.95
MKJNJ - Dell Intel XXV710 Dual Port 25GbE SFP28 PCIe Adapter Low Profile for Rack Server PowerEdge C4140
SKU: MKJNJ
Price: $305.26
430-4441 - Dell Intel Ethernet Server Adapter - Network Adapter - 2 Ports
SKU: 430-4441
Price: $482.41
Intel EXL710QDA1G1P5 XL710 Single-Port 40Gb/s QSFP+ PCI Express 3.0 x8 Low Profile Ethernet Converged Network Adapter
SKU: EXL710QDA1G1P5
Price: $210.53
4XC0H00338 - Lenovo Intel I210-T1 Single Port Gigabit Ethernet Adapter for ThinkStation
SKU: 4XC0H00338
Price: $244.63
E10G41BFSRG1P5 - Intel X520-SR1 Single Port 10Gbps LC Fiber Optic PCI-Express 2.0 x8 Gigabit Ethernet Converged Network Adapter
SKU: E10G41BFSRG1P5
Price: $296.30
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.