Product Description
400GBase-ZR Coherent QSFP-DD Transceiver
SMF, ITU C-Band Tunable, 120km amplified, LC Duplex, DDM, C-Temp, CMIS 5.1
Form Factor: QSFP-DD ZR | Data Rate: Up to 425 Gb/s |
Wavelength: ITU C-Band Tunable | Protocols: 400GBASE-ZR Ethernet |
Connector: Duplex LC | Transmitter Type: SiPh |
Cable Type: SMF | TX Power: Min -9 dBm Max 0 dBm (unamplified) |
Max Distance: Up to 40km unamplified; Up to 120km amplified | RX Sensitivity: -12 dBm |
Temperature Range: Commercial Temp: 0°C to 70°C | Digital Diagnostics (DDM/DOM): Supported |
Power Consumption: Max. 8 W | Power Budget: 3 dBm (unamplified) |
Rx OSNT Tolerance: 26 dBm/0.1 nm | Applications: Metro networks, data center interconnects, DWDM networks |
Approved's QSFP-DD ZR OEM Compatibility
The Approved Networks 400GBASE-ZR Coherent QSFP-DD SMF C-Band Tunable 120km DDM Transceiver is guaranteed 100% Compatible and Functional in its intended router or switch , and it is 100% MSA compliant . Our QSFP-DD ZR transceiver comes with an Industry Leading Lifetime Warranty, surpassing the OEM warranty for the same product. Every QSFP-DD ZR transceiver is environmentally tested in its specific port/platform, which includes compliance verification for distance, wavelength, traffic density and light.
- Arista: QDD-400G-ZR
- Cisco: QDD-400G-ZR-S-A
- Juniper: JNP-QDD-400G-ZR-A
- MSA Generic: QSFPDD-400G-ZR
If you don't see your platform listed, please contact us.
Tested. Trusted. Approved.

Guaranteed Compatible
100% guaranteed compatible in over 90 OEM platforms

99.98%
Reliability Rate
100% tested to exact MSA & OEM specifications

Industry Leading Lifetime Warranty
Industry leading Limited Lifetime Warranty on all transceiver products

98% On-Time Delivery Rate
Extensive inventory guarantees immediate delivery on over 20,000 SKU's

Savings of up to 90% off OEM Prices
Save up to 90% while improving deliverability & interoperability