Alternative to CFP-100G-ER4: Better-Value Equivalents in Stock
Comparing the CFP-100G-ER4 (CFP-100G-ER4 - Cisco 100Gb/s 100GBase-ER4 Single-Mode Fiber 40km 1310nm Duplex LC Connector CFP Transceiver Module) against alternatives? Pro Disk Network stocks 12 similar Cisco 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 CFP-100G-ER4
| SKU | CFP-100G-ER4 |
|---|---|
| Product | CFP-100G-ER4 - Cisco 100Gb/s 100GBase-ER4 Single-Mode Fiber 40km 1310nm Duplex LC Connector CFP Transceiver Module |
| Stock status | In Stock |
| Detail page | View CFP-100G-ER4 › |
Alternatives to CFP-100G-ER4
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.
CFP-100G-LR4 - Cisco 100Gb/s 100GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector CFP Transceiver Module
SKU: CFP-100G-LR4
Price: $1,358.86
CFP-100G-LR4-RF - Cisco 100Gbps 100GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector CFP Transceiver Module
SKU: CFP-100G-LR4-RF
Price: $2,576.01
CFP-100G-SR10-RF - Cisco Multi-mode 100Gbps 100GBase-SR10 Fiber 150m 850nm MTP/MPO Connector CFP Transceiver Module
SKU: CFP-100G-SR10-RF
Price: $491.22
CFP-100G-SR10 - Cisco Multi-mode 100Gbps 100GBase-SR10 Fiber 150m 850nm MTP/MPO Connector CFP Transceiver Module
SKU: CFP-100G-SR10
Price: $491.22
Cisco CFP-40G-LR4 Single-mode 40Gbps 40GBase-LR4 Fiber 10km 1310nm Duplex SC Connector CFP Transceiver Module
SKU: CFP-40G-LR4
Price: $1,837.32
Cisco CFP-40G-SR4 40Gb/s 40GBase-SR4 Multi-Mode Fiber 150m 850nm MPO Connector CFP Transceiver Module Spare
SKU: CFP-40G-SR4
Price: $299.00
CFP-40G-SR4-RF - Cisco 40Gbps 40GBase-SR4 Multi-mode Fiber 100m 850nm MPO Connector CFP Transceiver Module
SKU: CFP-40G-SR4-RF
Price: $1,790.78
10-2938-01 - Cisco 100Gbps 100GBase-ER4 Single-mode Fiber 40km 1310nm Duplex SC Connector CFP Transceiver Module
SKU: 10-2938-01
Price: $16,762.79
GLC-BX-U-40KM - Cisco 1Gbps 1000Base-BX-U Single-mode Fiber 40km 1310nmTX/1490nmRX LC Connector SFP Transceiver Module
SKU: GLC-BX-U-40KM
Price: $145.87
CVR-CFP-4SFP10G - Cisco 4 x Ports 10Gb/s CFP to SFP Converter Module
SKU: CVR-CFP-4SFP10G
Price: $1,274.34
QSFP-100G-CWDM4-S - Cisco 100Gb/s 100GBase-CWDM4 Single-Mode Fiber 2km 1330nm Duplex LC Connector QSFP Transceiver Module
SKU: QSFP-100G-CWDM4-S
Price: $1,079.46
QSFP-100G-LR4-S - Cisco 100Gb/s 100GBase-LR4 Single-Mode Fiber 10km 1310nm Duplex LC Connector QSFP Transceiver Module
SKU: QSFP-100G-LR4-S
Price: $1,789.47
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.