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QSFPP-40GBASE-ER4

Description:
40GBASE-ER4 QSFP+ pluggable transceiver
Rating:
4.2(5)
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$28,473.00

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QSFPP-40GBASE-ER4

40GBASE-ER4 QSFP+ pluggable transceiver

$28,473.00 $17,936.0037% off

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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.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

40GBASE-ER4 QSFP+ pluggable transceiverQSFPP-40GBASE-ER4SFPP PLUGGABLE OPTIC FOR CWDM 1471NMSFPP-10G-CWDM1471ONE 40GBASE-SR4 QFP+ PLUGGABLE MODULEQSFPP-40GBASE-SR4100GBASE-LR4 CFP (2nd Generation) Pluggable Module Compliant with IEEE 802.3baCFP-GEN2-100GBASE-LR4OC48 SFP, Short Reach, Plug-in, Module, Spare, E120, M160, M20 M320/T320/T640, M40eSFP-1OC48-SR
Product TypeTransceiverTransceiverTransceiverTransceiverTransceiver
Form FactorQSFP+SFPQSFPCFP Gen2SFP
Data Rate40G10G40G100GOC48
Connector TypeLCLCMPOLCLC
Wavelength1310 nm1471 nm850 nm1310 nm850 nm
Transmission DistanceExtended-RangeExtended-RangeShort-RangeLong-RangeShort-Range
Fiber TypeSingle-modeSingle-modeMulti-modeSingle-modeMulti-mode
Max Distance40 km80 km150 meters10 km300 m
Supported ProtocolsEthernetEthernetEthernetEthernetSONET/SDH
Network InterfaceEthernetFiberFiberEthernetFiber
Power ConsumptionN/A1.5W3.5WN/A3.5W
Operating Temperature0 to 70°C0 to 70°C0 to 70°C0 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 Voltage3.3V3.3V3.3V3.3V3.3V
CompatibilityCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / AristaCisco / Juniper / Huawei / Arista
Product NameQSFPP-40GBASE-ER4SFPP-10G-CWDM1471QSFPP-40GBASE-SR4CFP-GEN2-100GBASE-LR4SFP-1OC48-SR
HeightN/A0.33 inches0.66 inchesN/A0.67 inches
WidthN/A0.53 inches1.18 inchesN/A2.00 inches
DepthN/A2.22 inches0.42 inchesN/A1.00 inches
WeightN/A0.10 lbs0.16 lbsN/A0.2 lbs

Reviews & Ratings

G
Gareth Mullins
5

Reliable 40G ER4 optic for extended reach links.

O
Oliver Stanton
4

Stable signal levels across all lanes.

D
Daniel Harcourt
5

Worked perfectly in metro environments.

H
Henry Lawson
3

No packet loss observed.

P
Patrick Rowe
4

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.