Alternative to QFX-QSFP-40G-ESR: Better-Value Equivalents in Stock
Comparing the QFX-QSFP-40G-ESR (QFX-QSFP-40G-ESR - Juniper 40Gbps 40GBase-ESR Multi-mode Fiber 300m 850nm MPO Connector QSFP+ Transceiver Module) against alternatives? Pro Disk Network stocks 12 similar Juniper 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 QFX-QSFP-40G-ESR
| SKU | QFX-QSFP-40G-ESR |
|---|---|
| Product | QFX-QSFP-40G-ESR - Juniper 40Gbps 40GBase-ESR Multi-mode Fiber 300m 850nm MPO Connector QSFP+ Transceiver Module |
| Current price | $731.28 |
| Stock status | In Stock |
| Detail page | View QFX-QSFP-40G-ESR › |
Alternatives to QFX-QSFP-40G-ESR
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.
QFX-QSFP-40G-ESR4 - Juniper 40Gbps 40GBase-ESR4 Multi-mode Fiber 300m 850nm MPO Connector QSFP+ Optical Transceiver Module
SKU: QFX-QSFP-40G-ESR4
Price: $244.21
QFX-QSFP-DAC-3M - Juniper Networks 3m 40G QSFP to QSFP Passive Direct Attached Copper Cable
SKU: QFX-QSFP-DAC-3M
Price: $194.74
QFX-QSFP-40G-LR4 - Juniper 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QFX-QSFP-40G-LR4
Price: $944.55
QFX-QSFP-40G-LRM4 - Juniper 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1330nm MPO Connector QSFP+ Transceiver Module
SKU: QFX-QSFP-40G-LRM4
Price: $3,932.28
QFX-QSFP-40G-SR4 - Juniper 40Gb/s 40GBase-SR4 850nm 150m QSFP+ Transceiver Module
SKU: QFX-QSFP-40G-SR4
Price: $68.42
QFX-QSFP-DAC-1M - Juniper 1M 40Gb/s QSFP+ to QSFP+ 10 Gigabit Ethernet Direct Attach Copper Twinax Cable
SKU: QFX-QSFP-DAC-1M
Price: $184.21
QFX-SFP-8GFC-SW - Juniper 8Gbps 8GBase-SR Multi-mode Fiber 300m 850nm Duplex LC Connector SFP+ Transceiver Module
SKU: QFX-SFP-8GFC-SW
Price: $147.86
QFX-SFP-10GE-SR - Juniper 10Gbps 10GBase-SR Multi-mode Fiber 300m 850nm Duplex LC Connector SFP+ Transceiver Module
SKU: QFX-SFP-10GE-SR
Price: $184.21
JNP-QSFP-40G-LX4 - Juniper 40Gbps 40GBase-LX4 Multi-mode Fiber 150m 1330nm Duplex LC Connector QSFP+ Transceiver Module
SKU: JNP-QSFP-40G-LX4
Price: $2,384.21
SRX-QSFP-40G-LR4 - Juniper 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: SRX-QSFP-40G-LR4
Price: $776.97
JNP-QSFP-40G-LR4 - Juniper 40Gbps 40GBase-LR4 Single-mode Fiber 10km 1310nm Duplex LC Connector QSFP+ Transceiver Module
SKU: JNP-QSFP-40G-LR4
Price: $810.53
SRX-QSFP-40G-SR4 - Juniper Compatible 40GBase-SR4 850nm QSFP+ Transceiver Module
SKU: SRX-QSFP-40G-SR4
Price: $200.00
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.