Cisco QSFP-40G-LR4-S=
QSFP 40GBASE-LR4 TRNSCVR MOD. LC. 10KM.
Key facts
- Part number
- QSFP-40G-LR4-S=
- Brand
- Cisco
- Category
- Transceivers
- Price
- AUD 31,276.17≈ USD 21,963 Reference price (RRP)
- Availability
- On request — ask for a quote
Overview
QSFP 40GBASE-LR4 TRNSCVR MOD. LC. 10KM.
The Cisco 40GBASE-LR4 QSFP module supports link lengths of up to 10 kilometer over a standard pair of G.652 single-mode fiber with duplex LC connectors. The QSFP-40G-LR4-S module supports 40GBase Ethernet rate only. The 40 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed in the device.
- Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port
- Interoperable with other IEEE-compliant 40GBASE interfaces where applicable
- Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability
- High-speed electrical interface compliant to the IEEE 802.3ba standard
- QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA)
Specifications
General
- Total Number of Ports
- 1
- Compatibility
- MSA Compliant
- Environmentally Friendly
- Yes
- Product Type
- QSFP+
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Name
- QSFP+ Module
- Brand Name
- Cisco
- Application/Usage
- Data Networking
Optical Network
- Network Technology
- 40GBase-LR4
- Media Type Supported
- Optical Fiber
- Fiber Mode Supported
- Single-mode
- Weight (Approximate)
- 100 g
- Height
- 13.5 mm
- Width
- 18.4 mm
- Depth
- 72.4 mm
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 31,276.17≈ USD 21,963
- Oct 2026
- Lowest recorded
- AUD 31,276.17≈ USD 21,963
- Highest recorded
- AUD 31,276.17≈ USD 21,963
- Recorded
- 2026
- 1 price point
AUD 31,276.17 rrp, recorded
Buy or sell Cisco QSFP-40G-LR4-S=
Buying Cisco transceivers
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Selling Cisco transceivers
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- What is the Cisco QSFP-40G-LR4-S=?
- The Cisco QSFP-40G-LR4-S= is a Cisco transceiver – QSFP 40GBASE-LR4 TRNSCVR MOD. LC. 10KM..
- How much does the Cisco QSFP-40G-LR4-S= cost?
- The reference price on record is AUD 31,276.17 (Oct 2026). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the Cisco QSFP-40G-LR4-S=?
- It is not listed on the Prology store yet. Prology sources Cisco transceivers on request — request a quote and we reply with a firm price and lead time within 1 business day.
- Can I sell a used Cisco QSFP-40G-LR4-S=?
- Yes. Prology buys used and surplus Cisco transceivers, including the QSFP-40G-LR4-S=. Get an offer — sell outright or trade in against your next order.
Request a quote for QSFP-40G-LR4-S=
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