
Designed for data center interconnect, metro transport and carrier aggregation networks, the 800G QSFP-DD QDD ZR Optical Transceiver provides 850Gbps (8x 106.25Gbps) throughput in a QSFP-DD form factor. It operates at 1528.77~1567.13nm over SMF through a Duplex LC/UPC connector and supports link lengths up to Amplified: ≤120km Unamplified: ≤44km. The module meets QSFP-DD MSA Rev 6.3, IEEE 802.3-2022, OIF 800ZR, CMIS 5.2 and includes digital diagnostic monitoring for live status readout.
Product Highlights
- QSFP-DD form factor, 850Gbps (8x 106.25Gbps) data rate
- Wavelength: 1528.77~1567.13nm
- Connector: Duplex LC/UPC
- Reach: up to Amplified: ≤120km Unamplified: ≤44km
- Fiber media: SMF
- DDM/DOM: Supported
Specifications
| Part Number | QDD-ZR-800G |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP-DD |
| Max. Data Rate | 850Gbps (8x 106.25Gbps) |
| Wavelength | 1528.77~1567.13nm |
| Max. Cable Distance | Amplified: ≤120km Unamplified: ≤44km |
| Connector | Duplex LC/UPC |
| Media | SMF |
| Max. Power Consumption | 27W |
| Inbuilt FEC | OFEC |
| TX Power | -12~-6dBm |
| RX Power | Rx total input power: -30~7dBm Amplified: OIF 800ZR: -9~0dBm Unamplified: OIF 800ZR: -18~0dBm |
| DDM/DOM | Supported |
| Bit Error Ratio (BER) | Pre FEC: 3E-3 Post FEC:1E-15 |
| Modulation (Optical) | 16QAM |
| Modulation (Electrical) | 8x100G-PAM4 |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Application | Edge DCI |
| Protocols | QSFP-DD MSA Rev 6.3, IEEE 802.3-2022, OIF 800ZR, CMIS 5.2 |
Applications
Built for data center interconnect, metro transport and carrier aggregation networks, this QSFP-DD module carries 850Gbps (8x 106.25Gbps) over SMF up to Amplified: ≤120km Unamplified: ≤44km per link. The Duplex LC/UPC interface and 1528.77~1567.13nm optics match the standard cabling plant used in modern data halls, so existing trunks can be reused. Our factory programs the compatibility coding for your switch brand before shipment and verifies each unit on real host equipment. The link runs 8x100G-PAM4 modulation, which keeps it aligned with current 800G switch silicon.
Standards and Compatibility
Standards compliance covers QSFP-DD MSA Rev 6.3, IEEE 802.3-2022, OIF 800ZR, CMIS 5.2. The unit works in any equipment with a standard QSFP-DD interface; if your network uses a specific vendor's coding, tell us the switch model and we will program and verify it before delivery.
Ordering Information
Order this product as QDD-ZR-800G. Common models are stocked for fast dispatch. We can supply the module with neutral or customer-branded labels, and compatibility coding for a specific equipment vendor can be added at no extra process step.
Package
Products are first packed into blister trays or self-sealed bags and then into cartons. Standard labels and marks are applied by default, and customized packing and labeling are available on request.
Custom-made Fiber Products
As a manufacturer serving the fiber optic industry since 1995, we have strong in-house manufacturing and design capability. From early GBIC, Xenpak and X2 modules to today's SFP, SFP+, QSFP, QSFP-DD and OSFP products, we grow together with the industry. OEM and custom-designed transceivers and cables are welcome, and our factory-direct pricing is very competitive compared with online retail stores.
How We Ship
Most orders travel by international express and arrive within days; palletized freight by air or sea is used for volume orders. If you prefer, we ship on your DHL, UPS or FedEx account, or deliver to your appointed agent in China for onward consolidation.
Tested Before Shipment
We do not ship untested stock. Each transceiver and cable is powered up in our test racks, checked for link stability, transmit power, receiver sensitivity and diagnostic readouts, and only then packed for delivery. This factory-level testing is one reason network integrators keep reordering from us year after year.



