Cisco QSFP-40G-CSR4
QSFP 4x10GBASE-SR Transceiver Module MPO 300M
Key facts
- Part number
- QSFP-40G-CSR4
- Brand
- Cisco
- Category
- Transceivers
- Price
- AUD 236 from Prology AU (refurbished)USD 312 from Prology US (refurbished)
- Availability
- Prology AU: Refurbished · in stock
- Prology US: Refurbished · in stock
Overview
QSFP 4x10GBASE-SR Transceiver Module MPO 300M
The Cisco 40GBASE-CSR4 QSFP+ Module is similar to the 40GBASE-SR4 interface extends supported link lengths to 300m and 400m respectively on laser-optimized OM3 and OM4 multimode fiber cables. Each 10-gigabit lane of this module is compliant to IEEE 10GBASE-SR specifications. This module can be used for native 40G optical links over 12-fiber ribbon cables with MPO/MTP connectors, or in 4x10G mode with ribbon to duplex fiber breakout cables for connectivity to four 10GBASE-SR interfaces. Maximum channel insertion loss allowed is respectively 2.6dB over 300m of OM3 cable or 2.9dB over 400m of OM4 cable.
Features
- 40 Gigabit Ethernet for efficient data transfer and fast connectivity
- With its thicker diameter to carry the light of multiple wavelengths, multi-mode fibre optic cable supports the high bandwidth to carry more information with greater fidelity
- Optical fibre cable compatible - Spans afar and provides speedy data transmission rates between servers and network components
- With 40GBase-CSR4 technology, enjoy up to 40Gbps data transfer rate over optical fibre cable
Specifications
General
- Total Number of Ports
- 1
- Compatibility
- Cisco Nexus 3000 Series Switches
- Product Type
- QSFP+
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Model
- QSFP-40G-CSR4
- Product Name
- 40GBASE-CSR4 QSFP+ Module for MMF
- Brand Name
- Cisco
- Application/Usage
- Data Networking
Optical Network
- Height
- 13.5 mm
- Width
- 18.4 mm
- Depth
- 72.4 mm
- Network Technology
- 40GBase-CSR4
- Maximum Data Transfer Rate
- 40 Gbit/s
- Media Type Supported
- Optical Fiber
- Fiber Mode Supported
- Multi-mode
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- USD 3,533.58≈ AUD 5,032
- Apr 2025
- Lowest recorded
- USD 2,995≈ AUD 4,265
- Highest recorded
- USD 3,542.75≈ AUD 5,045
- Recorded
- 2014 – 2025
- 25 price points
- List price
- Prology US
AUD 236 on Prology AU, recorded
Buy or sell Cisco QSFP-40G-CSR4
Buying Cisco transceivers
Prology stocks the Cisco QSFP-40G-CSR4 from AUD 236 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-CSR4? 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-CSR4.
- What is the Cisco QSFP-40G-CSR4?
- The Cisco QSFP-40G-CSR4 is a Cisco transceiver – QSFP 4x10GBASE-SR Transceiver Module MPO 300M.
- How much does the Cisco QSFP-40G-CSR4 cost?
- The manufacturer list price on record is USD 3,533.58 (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-CSR4?
- 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-CSR4?
- Yes. Prology buys used and surplus Cisco transceivers, including the QSFP-40G-CSR4. Get an offer — sell outright or trade in against your next order.
Request a quote for QSFP-40G-CSR4
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.