Cisco QDD-400G-SR4.2-BD
QSFP-DD transceiver module - 400 Gigabit LAN
Key facts
- Part number
- QDD-400G-SR4.2-BD
- Brand
- Cisco
- Category
- Transceivers
- Price
- USD 6,014.40≈ AUD 8,565 List price (Apr 2025)
- Availability
- On request — ask for a quote
Overview
The Cisco QDD-400G-SR4.2-BD module supports 400GE links and up to four 100GE breakout link lengths of up to 100m over OM4 MMF. The module has four pairs of MMF with an MPO-12 UPC connector. It is compliant to the IEEE 802.3bm protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel pairs of fibers by two 50Gbps bidirectional wavelength per fiber. It can also be used as 4x100GE breakout to QSFP-100G-SR1.2 modules. FEC is performed on the host platform.
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- USD 6,014.40≈ AUD 8,565
- Apr 2025
- Lowest recorded
- USD 6,014.40≈ AUD 8,565
- Highest recorded
- USD 6,030≈ AUD 8,587
- Recorded
- 2023 – 2025
- 3 price points
Buy or sell Cisco QDD-400G-SR4.2-BD
Buying Cisco transceivers
Looking to buy the Cisco QDD-400G-SR4.2-BD 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
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- What is the Cisco QDD-400G-SR4.2-BD?
- The Cisco QDD-400G-SR4.2-BD is a Cisco transceiver – QSFP-DD transceiver module - 400 Gigabit LAN.
- How much does the Cisco QDD-400G-SR4.2-BD cost?
- The manufacturer list price on record is USD 6,014.40 (Apr 2025). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the Cisco QDD-400G-SR4.2-BD?
- 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 QDD-400G-SR4.2-BD?
- Yes. Prology buys used and surplus Cisco transceivers, including the QDD-400G-SR4.2-BD. Get an offer — sell outright or trade in against your next order.
Request a quote for QDD-400G-SR4.2-BD
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.