PrologyParts Index

Cisco QSFP-40G-ER4

QSFP+ transceiver module - 40 Gigabit LAN

MPNQSFP-40G-ER4CiscoTransceiversUpdated
Cisco QSFP-40G-ER4 QSFP+ transceiver module - 40 Gigabit LAN
View on Prology AU

Key facts

Part number
QSFP-40G-ER4
Brand
Cisco
Category
Transceivers
Price
AUD 3,999 from Prology AU (refurbished)USD 2,838 from Prology US (refurbished)
Availability
  • Prology AU: Refurbished · in stock
  • Prology US: Refurbished · in stock

Overview

The Cisco QSFP-40G-ER4 transceiver module represents a significant advancement in networking technology, offering both high-speed data transfer capabilities and extended reach for comprehensive network solutions. With a maximum operating temperature range from 0 °C to 70 °C, it ensures reliable performance under various environmental conditions. This module is designed to support the demanding requirements of Gigabit Ethernet networks, featuring a data transfer rate of 40 Gbps and compatibility with LC single-mode connectors. Its low power consumption of 3.5 W not only makes it an energy-efficient choice but also contributes to lower operational costs. Compliant with MSA SFF-8436, IEEE 802.3ba, and ITU-T G.652 standards, the Cisco QSFP+ module is a versatile solution that enhances connectivity and network efficiency, making it an ideal choice for businesses looking to upgrade their network infrastructure.

Reference price history

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

Latest
USD 44,237.54≈ AUD 62,995
Apr 2025
Lowest recorded
USD 37,495≈ AUD 53,393
Highest recorded
USD 44,352.28≈ AUD 63,158
Recorded
2015 – 2025
23 price points
Price history of Cisco QSFP-40G-ER4 in USDList price from USD 37,495 in May 2015 to USD 44,237.54 in Apr 2025; low 37,495, high 44,352.28; 1 other series020k40k60kUSD201620192022202544,237.542,838
  • List price
  • Prology US
Prices in USD (as recorded, not converted) · May 2015 – Oct 2026

AUD 3,999 on Prology AU, recorded

Buy or sell Cisco QSFP-40G-ER4

Buying Cisco transceivers

Prology stocks the Cisco QSFP-40G-ER4 from USD 2,838 on Prology AU and Prology US. Need more than one, or a different condition? Request a quote for volume pricing.

Selling Cisco transceivers

Have a spare or decommissioned QSFP-40G-ER4? Prology buys used and surplus Cisco transceivers — single units or whole lots — and replies with an offer within 1 business day. Sell your QSFP-40G-ER4.

What is the Cisco QSFP-40G-ER4?
The Cisco QSFP-40G-ER4 is a Cisco transceiver – QSFP+ transceiver module - 40 Gigabit LAN.
How much does the Cisco QSFP-40G-ER4 cost?
The manufacturer list price on record is USD 44,237.54 (Apr 2025). It is a reference figure, not a selling price — the live price is on the Prology store page.
Where can I buy the Cisco QSFP-40G-ER4?
It is listed on Prology AU and Prology US. Use the “View on Prology” button above for live price, condition and stock, or request a quote for volume pricing.
Can I sell a used Cisco QSFP-40G-ER4?
Yes. Prology buys used and surplus Cisco transceivers, including the QSFP-40G-ER4. Get an offer — sell outright or trade in against your next order.

Request a quote for QSFP-40G-ER4

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