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Reliable 40G ER4 optic for extended reach links.
QSFPP-40GBASE-ER4
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40GBASE-ER4 QSFP+ pluggable transceiver
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Name:
QSFPP-40GBASE-ER4
- Description:
- 40GBASE-ER4 QSFP+ pluggable transceiver
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 841280182785
- Condition:
- Warranty:
- 3
- List Price:
$28,473.00
- Price:
$17,936.0037% off
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1
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QSFPP-40GBASE-ER4 Overview
QSFPP-40GBASE-ER4 is a high-performance QSFP+ transceiver that delivers 40G Ethernet connectivity using an LC connector and single-mode fiber. Designed for extended-range applications, it enables transmission distances up to 40 km, making it an excellent fit for data centers, enterprise networks, and telecom environments while conforming to standardized physical dimensions.
QSFPP-40GBASE-ER4 supports critical network protocols and offers reliable operation within an ambient temperature range of 0 to 70°C with an input voltage of 3.3V. Its optimized design and robust compatibility with leading industry platforms ensure that it meets the demands of next-generation high-speed networking applications.
QSFPP-40GBASE-ER4 price is $17,936.00, a 37% saving from the Juniper list price of $28,473.00. QSFPP-40GBASE-ER4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFPP-40GBASE-ER4 for additional pricing. Browse the full category range or explore all Juniper products.
QSFPP-40GBASE-ER4 Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP+
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- QSFPP-40GBASE-ER4
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
QSFPP-40GBASE-ER4 Use Case
Long-Haul Data Center Interconnect Using QSFPP-40GBASE-ER4 QSFP+
In a multivendor data center spanning two campuses 30 km apart, network architects deploy the QSFPP-40GBASE-ER4 QSFP+ pluggable transceiver over single-mode fiber to maintain 40 Gb/s full-duplex throughput. The transceiver’s 1310 nm CWDM wavelength and integrated digital diagnostics module (DDM) ensure low insertion loss, real-time link monitoring, and seamless interoperability. Benefit: Simplified fiber management with carrier-grade reach, zero packet loss, and sub-3 W power consumption reduces OPEX and latency-sensitive application risks.
Metro Ethernet Backbone Extension with QSFPP-40GBASE-ER4 QSFP+
A regional ISP leverages the QSFPP-40GBASE-ER4 QSFP+ transceiver to extend its metro Ethernet backbone over existing dark fiber infrastructure for premium business customers. The pluggable’s 40 km reach and high optical power budget support multiplexed CWDM channels, enabling scalable 40 GbE trunks across urban POPs without additional amplification. Benefit: Rapid service activation, predictable fiber budgeting, and improved SLAs with 40 Gb/s bandwidth at a lower total cost of ownership.
High-Performance Computing Cluster Link via QSFPP-40GBASE-ER4 QSFP+
In a university supercomputing environment, IT teams interlink GPU-accelerated compute nodes located in separate facilities using QSFPP-40GBASE-ER4 QSFP+ modules. The transceiver’s robust digital diagnostics and temperature-hardened design deliver consistent 40 Gb/s data transfers up to 40 km over single-mode fiber. Benefit: Optimized MPI traffic with deterministic latency, enhanced cluster utilization, and simplified infrastructure upgrades that support next-gen AI and big data workflows.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QSFPP-40GBASE-ER4 |  SFPP-10G-CWDM1471 |  QSFPP-40GBASE-SR4 |  CFP-GEN2-100GBASE-LR4 |  SFP-1OC48-SR | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | SFP | QSFP | CFP Gen2 | SFP |
| Data Rate | 40G | 10G | 40G | 100G | OC48 |
| Connector Type | LC | LC | MPO | LC | LC |
| Wavelength | 1310 nm | 1471 nm | 850 nm | 1310 nm | 850 nm |
| Transmission Distance | Extended-Range | Extended-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 40 km | 80 km | 150 meters | 10 km | 300 m |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | SONET/SDH |
| Network Interface | Ethernet | Fiber | Fiber | Ethernet | Fiber |
| Power Consumption | N/A | 1.5W | 3.5W | N/A | 3.5W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFPP-40GBASE-ER4 | SFPP-10G-CWDM1471 | QSFPP-40GBASE-SR4 | CFP-GEN2-100GBASE-LR4 | SFP-1OC48-SR |
| Height | N/A | 0.33 inches | 0.66 inches | N/A | 0.67 inches |
| Width | N/A | 0.53 inches | 1.18 inches | N/A | 2.00 inches |
| Depth | N/A | 2.22 inches | 0.42 inches | N/A | 1.00 inches |
| Weight | N/A | 0.10 lbs | 0.16 lbs | N/A | 0.2 lbs |
Reviews & Ratings
O
Oliver Stanton
4
Stable signal levels across all lanes.
D
Daniel Harcourt
4
Worked perfectly in metro environments.
H
Henry Lawson
4
No packet loss observed.
P
Patrick Rowe
5
Good value long range QSFP+.
Questions & Answers
What is the QSFPP-40GBASE-ER4 QSFP+ pluggable transceiver?
The QSFPP-40GBASE-ER4 is a hot-pluggable QSFP+ optical transceiver that delivers 40 Gbps data rates over single-mode fiber for long-reach networking.
What wavelength does the 40GBASE-ER4 QSFP+ transceiver operate on?
The 40GBASE-ER4 QSFP+ transceiver operates at 1310 nm, providing optimal performance for single-mode fiber links up to 40 km.
How far can the QSFPP-40GBASE-ER4 transmit data?
The QSFPP-40GBASE-ER4 supports link lengths up to 40 km over single-mode fiber, making it ideal for data center interconnects.
Is the 40GBASE-ER4 QSFP+ compatible with single-mode fiber?
Yes, the 40GBASE-ER4 QSFP+ transceiver is designed for single-mode fiber (SMF) deployment and is not compatible with multimode fiber.
Which fiber connector type is supported by the QSFPP-40GBASE-ER4?
The QSFPP-40GBASE-ER4 uses LC duplex connectors for reliable and standardized single-mode fiber connectivity.
Does QSFPP-40GBASE-ER4 support digital diagnostics monitoring (DDM)?
Yes, it features SFF-8472 compliant digital diagnostics monitoring to report real-time metrics like temperature, voltage, and optical power.
Which industry standards does the 40GBASE-ER4 QSFP+ comply with?
The 40GBASE-ER4 QSFP+ complies with IEEE 802.3ba, RoHS, and SFF-8436 standards, ensuring interoperability and environmental safety.
Is the QSFPP-40GBASE-ER4 hot-swappable?
Yes, the QSFPP-40GBASE-ER4 QSFP+ transceiver supports hot-swap installation and removal without powering down the host system.
What power consumption does the 40GBASE-ER4 QSFP+ transceiver have?
The QSFPP-40GBASE-ER4 typically consumes less than 3.5 W, making it energy-efficient for high-density data center deployments.
What is the operating temperature range of the 40GBASE-ER4?
The QSFPP-40GBASE-ER4 operates reliably between 0 °C and 70 °C (standard) or –40 °C to 85 °C (industrial grade).
Which switch vendors are compatible with QSFPP-40GBASE-ER4?
The transceiver is interoperable with leading switches from Cisco, Juniper, Arista, Huawei, and Mellanox that support QSFP+ 40GBASE-ER4.
What applications is the 40GBASE-ER4 QSFP+ best suited for?
It is ideal for long-haul data center interconnects, metro aggregation, and campus backbone links requiring 40 Gbps over 40 km.
How do I install the QSFPP-40GBASE-ER4 QSFP+ transceiver?
Gently insert the QSFP+ module into the host port until it latches, then connect the LC duplex fiber cable following polarity guidelines.
How can I test and troubleshoot the 40GBASE-ER4 transceiver?
Use SFP+ DDM readings, optical power meters, and loopback tests to verify signal integrity, link status, and transceiver diagnostics.
What are the key features of the 40GBASE-ER4 QSFP+ transceiver?
Key features include 40 Gbps throughput, 1310 nm wavelength, 40 km reach, DDM support, low power (<3.5 W), and hot-swap capability.
What warranty and support are offered for the QSFPP-40GBASE-ER4?
The QSFPP-40GBASE-ER4 comes with a one-year limited warranty and lifetime technical support to ensure long-term reliability.