United States40G Base Modules High-Speed Connectivity
Unlock unparalleled performance with our advanced 40G Base Modules. Engineered for optimal reliability, these modules deliver high-speed connectivity and comprehensive support for modern data infrastructure.
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30 Matching results
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QSFP-40G-LR4 (QSFP 40GBASE-LR4 OTN Transceiver, LC, 10KM)
4.6 (5)- Transceiver
- QSFP
- 40G
- LC
- 1310 nm
- Long-Range
- Single-mode
Est Value
$17,943.99$179.44
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QSFP-40G-SR4-S (40GBASE-SR4 QSFP Trnscvr Module, MPO Conn, Enterprise-Class)
4.6 (5)- Transceiver
- QSFP
- 40G
- MPO
- 850 nm
- Short-Range
- Multi-mode
Est Value $2,022.36$323.58
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WSP-Q40GLR4L (QSFP 40G Ethernet - LR4 Lite, LC, 2KM)
4.4 (5)- Transceiver
- QSFP+
- 40G
- LC
- 1271/1291/1311/1331 nm
- Long-Range
- Single-mode
Est Value $7,073.00$3,357.00
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QSFP-4SFP10G-CU2M= (QSFP TO 4XSFP10G PASSIVE COPPER SPLITTER CABLE 2M)
4.2 (5)- Direct Attach Cable
- QSFP to SFP+
- 10G
- N/A
- N/A
- Short-Range
- N/A
Est Value $170.00$103.00
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CVR-QSFP-SFP10G= (QSFP TO SFP10G ADAPTER)
4.4 (5)- Transceiver
- QSFP / SFP
- 10G
- LC
- 1310 nm
- Long-Range
- Single-mode
Est Value $413.00$117.00
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QSFP-H40G-AOC3M= (3M 40GBASE ACTIVE OPTICAL CABLE)
4.4 (5)- Transceiver
- QSFP
- 40G
- QSFP
- N/A
- Short-Range
- Multi-mode
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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QSFP-4X10G-AOC3M= (3M 40GBASE ACTIVE OPTICAL QSFP TO 4SFP BREAKOUT CABLE)
4.8 (5)- Transceiver
- QSFP
- 4x10G
- QSFP
- 850 nm
- Short-Range
- Multi-mode
Est Value $200.00$143.00
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QSFP-H40G-AOC7M= (7M 40GBASE ACTIVE OPTICAL CABLE)
4.6 (5)- Transceiver
- QSFP
- 40G
- MPO
- N/A
- Short-Range
- N/A
Est Value $250.00$148.00
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QSFP-40G-SR4= (40GBASE-SR4 QSFP TRANSCEIVER MODULE WITH MPO CONNECTOR)
5 (5)- Transceiver
- QSFP
- 40G
- MPO
- 850nm
- Short-Range
- Multi-mode
Est Value $3,534.00$167.00
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QSFP-4SFP10G-CU1M (QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m)
4.6 (5)- Direct Attach Copper Cable
- QSFP-to-SFP+ Breakout Cable
- 10G
- QSFP+ / SFP+
- N/A
- Short-Range
- N/A
Est Value $1,000.00$171.00
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QSFP-H40G-AOC2M (40GBASE Active Optical Cable, 2m)
4.6 (5)- Transceiver
- QSFP
- 40G
- QSFP Direct Attach
- 850nm
- Short-Range
- Multi-mode
Est Value $1,003.00$194.00
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QSFP-4SFP10G-CU5M (QSFP to 4xSFP10G Passive Copper Splitter Cable, 5m)
4.4 (5)- Direct Attach Copper Cable
- QSFP / SFP10G
- 10G (per channel, 40G aggregate)
- N/A
- N/A
- Short-Range
- N/A
Est Value $796.00$196.00
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QSFP-4X10G-AOC3M (40GBASE Active Optical QSFP to 4SFP breakout Cable, 3m)
4.2 (5)- Transceiver
- QSFP
- 40G (4x10G)
- QSFP
- 850 nm
- Short-Range
- Multi-mode
Est Value $1,298.00$227.00
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QSFP-H40G-AOC3M (40GBASE Active Optical Cable, 3m)
4.6 (5)- Transceiver
- QSFP
- 40G
- N/A
- 850 nm
- Short-Range
- Multi-mode
Est Value $1,003.00$257.00
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QSFP-40G-SR4-S= (40GBASE-SR4 QSFP TRNSCVR MODULE MPO CONN ENTERPRISE CLASS)
4.6 (5)- Transceiver
- QSFP
- 40G
- MPO
- 850 nm
- Short-Range
- Multi-mode
Est Value $1,994.00$337.00
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QSFP-H40G-AOC10M (40GBASE Active Optical Cable, 10m)
4.6 (5)- Transceiver
- QSFP+
- 40G
- Integrated Active Optical Cable
- N/A
- Short-Range
- N/A
Est Value $1,180.00$359.00
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QSFP-H40G-AOC20M= (20M 40GBASE ACTIVE OPTICAL CABL)
4.6 (5)- Transceiver
- QSFP
- 40G
- MPO
- 850nm
- Short-Range
- Multi-mode
Est Value $450.00$373.00
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QSFP-4SFP10G-CU4M= (4M CABLE QSFP TO 4XSFP10G PASSIVE COPPER SPLITTER)
4.2 (5)- Direct Attach Copper Cable (DAC)
- QSFP+ to 4x SFP+
- 10G
- QSFP+ and SFP+
- N/A
- Short-Range
- N/A
Est Value $807.76$420.03
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QSFP-40G-LR4= (40GBASE-LR4= QSFP OTN LC 10KM TRANSCEIVER)
4.2 (5)- Transceiver
- QSFP
- 40G
- LC
- 1310 nm
- Long-Range
- Single-mode
Est Value $17,691.00$454.00
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QSFP-4X10G-AOC1M (40GBASE Active Optical QSFP to 4SFP breakout Cable, 1m)
4.8 (5)- Transceiver
- QSFP
- 40G
- MPO
- 850nm
- Short-Range
- Multi-mode
Est Value $1,298.00$683.00
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Questions & Answers
What is a 40GBase module?
A 40GBase module is a QSFP+ transceiver designed to support 40 Gigabit Ethernet links, enabling high-speed data transmission over multimode or single-mode fiber.
What are the common types of 40GBase modules?
The common types include 40GBase-SR4 for short-reach multimode fiber, 40GBase-LR4 for long-reach single-mode fiber, and 40GBase-CSR4/ER4 for extended reach.
How far can a 40GBase-SR4 module transmit data?
A 40GBase-SR4 module supports up to 100 meters on OM4 multimode fiber and up to 70 meters on OM3 multimode fiber at 40 Gbps.
What transmission distance does a 40GBase-LR4 module support?
A 40GBase-LR4 module supports distances up to 10 kilometers over single-mode fiber at 40 Gbps.
Are 40GBase modules hot-swappable?
Yes, 40GBase QSFP+ modules are hot-swappable, allowing insertion or removal without powering down the switch or router.
Which connector type do 40GBase modules use?
Most 40GBase modules use the MPO/MTP connector for multimode versions and LC duplex connectors for single-mode LR4 modules.
Can I mix 10G and 40G ports using breakout cables?
Yes, you can use a 1×4 or 1×12 MPO breakout cable to split a 40G QSFP+ port into four 10G SFP+ ports.
How do I choose between SR4 and LR4 for my network?
Select SR4 for data center short-reach multimode applications under 100 meters and LR4 for campus or metropolitan single-mode links up to 10 km.
What is the typical power consumption of a 40GBase module?
Typical power consumption ranges from 1 to 3.5 watts per module, depending on the SR4, LR4, or extended-reach variant.
Are 40GBase modules vendor-agnostic and interoperable?
Most 40GBase QSFP+ modules adhere to MSA standards and interoperate across vendors, but vendor-validated compatibility lists are recommended.
How much does a 40GBase module cost on average?
Prices range from $100 for basic SR4 modules to over $600 for LR4 or ER4 modules, depending on brand and certification level.
What environment conditions affect 40GBase module performance?
Temperature range (0 °C to 70 °C), humidity, and fiber cleanliness are critical factors for maintaining optimal 40GBase performance.
Can I upgrade existing 10G infrastructure to 40GBase?
Yes, upgrading requires compatible QSFP+ ports and MPO-terminated multimode fiber, or using breakout cables to transition from 10G SFP+.
What are the main benefits of using 40GBase modules?
They enable higher bandwidth, lower latency, simplified cabling with MPO connectors, and future-proof scalability in data center networks.
How do I troubleshoot a faulty 40GBase module?
Verify link LEDs, use switch diagnostics for optical levels, inspect fiber and connectors, and replace the module with a known good unit.
Do 40GBase modules support CWDM/DWDM?
Certain 40GBase-LR4 or ER4 modules with wavelength multiplexing support CWDM/DWDM applications for extended fiber capacity.