Local host
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Extreme NetworksNetwork transceivers
Optical connection100G-4WDM-QSFP20KMOptical connection · Category illustrationAsk for photos of the exact model and configuration.
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Check both ends of the link
Extreme Networks 100G-4WDM-QSFP20KM optical transceiver
P/N 100G-4WDM-QSFP20KM
Extreme Networks 100G-4WDM-QSFP20KM is an optical transceiver. Connector or module format: QSFP28, LC; Fibre type: Single-mode fibre; Specified reach: 20km.
- Connector or module format
- QSFP28, LC
- Fibre type
- Single-mode fibre
- Specified reach
- 20km
- Order unit
- One ordering unit
$20,861.00 USDUnit price
Price for 100G-4WDM-QSFP20KM. Supplied condition, availability, included accessories, freight, taxes and the final order amount will be confirmed before payment.
Per order item · Price dated April 2026 · Checked October 13, 2026.
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Extreme Networks / PRODUCT DETAILS
Qualify both ends of the optical link
Select an optic as part of a complete link: host port, optical standard, fiber plant and remote transceiver.
Optical path
- Connector or module format
- QSFP28, LC
- Fibre type
- Single-mode fibre
- Specified reach
- 20km
Match wavelength, fiber type, connectors and the optical loss budget.
Remote endpoint
For paired or bidirectional links, confirm the complementary remote optic.
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Add endpoints to your request →Extreme Networks / ORDER & INSTALLATION DETAILS
Extreme platform and hardware option
01
Identify the exact Extreme switch or expansion option.
02
Match the host platform and applicable operating-system release.
03
Confirm power supplies, airflow and the required network media.
Tell us about your existing equipment
Technical overview
Technical specifications
Use the full part number when comparing options or asking about system fit.
8 of 8 specifications
| Brand | Extreme Networks |
|---|---|
| Manufacturer part number | 100G-4WDM-QSFP20KM |
| Product type | optical transceiver |
| Connector or module format | QSFP28, LC |
| Fibre type | Single-mode fibre |
| Specified reach | 20km |
| Ordering description | 100G, 4WDM-20, QSFP28, 20km, LC connector, Single-Mode, MSA P/N: EQPT1H4WM4WCL100. |
| Order unit | One ordering unit |
02
HOW THIS PRODUCT FITS YOUR NETWORK
See where it fits in your network
Choose how you plan to use this product.
Link expansion
Host port qualification and coding
Confirm the host port, software release and transceiver qualification.
- Host port qualification and coding
- Optical standard, wavelength and reach
- Fiber type, connector and remote optic
Link expansionConnection overview
Connection media
100G-4WDM-QSFP20KM: check host port qualification and coding.
This sketch helps describe your request. We will confirm protocols, port counts, coverage and failover when quoting.
03
YOUR QUOTE REQUEST
Tell us what you need
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Include the full Extreme Networks model or part number, required revision and host configuration. List software and service requirements separately.
04
SUPPORT & REPLACEMENT
Plan for support and future replacement
Check support dates, replacement options and whether continued use still makes sense.
Support dates
We do not have confirmed sales and support dates for this part number.
Send us the full 100G-4WDM-QSFP20KM order code, software release and support details before planning long-term use.
Ask us to check the current sales and support statusChoosing a replacement
Products with similar names or connectors may still be incompatible. Compare the full specifications, installed system and software requirements.
Compare related products These products may be related, but we have not confirmed them as replacements.What should I compare?
- Physical fit, connectors and power
- Capacity and required performance
- Software, firmware and feature support
- Licensing, service coverage and data and configuration migration
USING HARDWARE RESPONSIBLY
Maintain, redeploy or replace
Consider repairability, remaining support and actual operating demand. Extending service life is useful only when the equipment still meets your security and reliability requirements.
CONNECTION DETAILS
Cable and transceiver compatibility
Match both endpoints before selecting this cable or transceiver. Connector shape and nominal speed alone do not establish interoperability.
CONNECTS TOQualified port on the first device
100G-4WDM-QSFP20KMNetwork transceivers
USED FORQualified port on the peer device
What to check before installation
- Both host platforms, port type and supported module coding
- Protocol, reach, fiber or copper medium and connector polarity
Browse the categories above for related equipment, then send us the full configuration so we can check the fit.
PRODUCT DETAILS
Features and applications
Product overview
Extreme Networks 100G-4WDM-QSFP20KM is an optical transceiver. Connector or module format: QSFP28, LC; Fibre type: Single-mode fibre; Specified reach: 20km.
Select optics for the supported port, link rate, fiber type and distance. Single-mode, multimode and bidirectional variants must be matched to the installation.
Check your installation
Check the switch software, optical compatibility list and the module at the other end. For bidirectional links, confirm the complementary transmit and receive wavelengths.
Ordering and delivery
Send the full 100G-4WDM-QSFP20KM part number, quantity, delivery country and required condition. We will confirm the supplied hardware, software requirements, warranty and final order amount before bank transfer.
Compare related products
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These are browsing suggestions, not confirmed replacements. Match the complete specifications before substituting a different part number.
Before you request a quote
Ordering and delivery
Model and quantity
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Your existing equipment
Tell us the host model, generation, installed configuration and required supporting hardware.
Delivery requirements
Specify condition, testing requirements, destination and requested delivery date.