PrologyParts Index

Cisco QSFP-100G-LR4-I

100GBASE LR4 QSFP Transceiver, LC, 10km over SMF, Ind Temp.

MPNQSFP-100G-LR4-ICiscoTransceiversUpdated

Key facts

Part number
QSFP-100G-LR4-I
Brand
Cisco
Category
Transceivers
Price
USD 35,388.85≈ AUD 50,379 List price (Apr 2025)
Availability
On request — ask for a quote

Specifications

General

Connection technology
Wired
Data Link Protocol
100 Gigabit Ethernet
Data transfer rate
100 Gbps
Developed for
P/N: C8500-20X6C, N540-28Z4C-SYS-A, N540-28Z4C-SYS-A=, N540-28Z4C-SYS-D, N540-28Z4C-SYS-D=, N540-ACC-SYS, N540-ACC-SYS=, N540-ACC-SYS-RF, N540-FH-CSR-SYS=, N540X-16Z4G8Q2C-A, N540X-16Z4G8Q2C-A=, N540X-16Z4G8Q2C-D, N540X-ACC-SYS, N540X-ACC-SYS=
Formfaktor
Plug-in module
Device type
QSFP28 transceiver module
Labeling
That-t g.652
Max. Betriebstemperatur
85 °C
Maximum transmission area
10 km
Min Betriebstemperatur
-40 °C
Optical wavelength
1295 nm / 1300 nm / 1304 nm / 1309 nm
Interfaces
1 x Ethernet 100GBase-LR4 - LC single-mode x 2
Wiring type
100GBase-LR4

Reference price history

Recorded reference and list prices over time. Not Prology selling prices.

Latest
USD 35,388.85≈ AUD 50,379
Apr 2025
Lowest recorded
USD 30,099.98≈ AUD 42,850
Highest recorded
USD 35,480.64≈ AUD 50,510
Recorded
2021 – 2025
10 price points
Price history of Cisco QSFP-100G-LR4-I in USDList price from USD 30,099.98 in Apr 2021 to USD 35,388.85 in Apr 2025; low 30,099.98, high 35,480.6430k32k34k36kUSD202220232024202535,388.85
List pricePrices in USD (as recorded, not converted) · Apr 2021 – Apr 2025

Buy or sell Cisco QSFP-100G-LR4-I

Buying Cisco transceivers

Looking to buy the Cisco QSFP-100G-LR4-I or a compatible transceiver? Prology supplies new, refurbished and used Cisco transceivers in Australia and the United States. Send the part number and quantity for a firm price.

Selling Cisco transceivers

Have a spare or decommissioned QSFP-100G-LR4-I? Prology buys used and surplus Cisco transceivers — single units or whole lots — and replies with an offer within 1 business day. Sell your QSFP-100G-LR4-I.

What is the Cisco QSFP-100G-LR4-I?
The Cisco QSFP-100G-LR4-I is a Cisco transceiver – 100GBASE LR4 QSFP Transceiver, LC, 10km over SMF, Ind Temp..
How much does the Cisco QSFP-100G-LR4-I cost?
The manufacturer list price on record is USD 35,388.85 (Apr 2025). It is a reference figure, not a selling price — ask Prology for a firm quote.
Where can I buy the Cisco QSFP-100G-LR4-I?
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-100G-LR4-I?
Yes. Prology buys used and surplus Cisco transceivers, including the QSFP-100G-LR4-I. Get an offer — sell outright or trade in against your next order.

Request a quote for QSFP-100G-LR4-I

Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.

Replies within 1 business day. Your details are used only to answer this request — privacy.

More Cisco Transceivers

All Cisco parts starting with “Q” · All Cisco part numbers