| NO. | Item | Specification |
| 1 | Speed | 800G |
| 2 | Wavelength | 1310nm |
| 3 | Max Distance | 500m |
| 4 | Connector | MTP/MPO-16 |
| 5 | Fiber Type | Single-Mode Fiber (SMF) |
| NO. | Brand | Compatible P/N | Remarks |
| 1 | Cisco | QDD-800G-DR8 | |
| 2 | Arista | QDD-800G-DR8 | |
| 3 | Juniper | QDD-2X400G-DR4 | |
| 4 | H3C | QSFPDD800-800G-DR8-SM1310-DMPO |
This module is 100% programmed and tested to be compatible with Cisco’s premier 800G-enabled hardware portfolios running NX-OS or IOS-XR, including:
Cisco Nexus 9000 Series Switches:
Nexus 9364E-SG2
Nexus 9332D-H2R
Nexus 9808 / 9804 Modular Chassis (with 800G line cards)
Cisco 8000 Series Routers:
Cisco 8111-32EH (32-port 800G QSFP-DD fixed router)
Cisco 8200 / 8800 Series (with high-density 800G line cards)
Cisco NCS (Network Convergence System):
NCS 1004 / 1014 Series (with 800G transponder line cards)
AI/ML Hyper-scale Training Fabrics: Provides the high-throughput, low-latency plumbing required to connect massive multi-GPU/TPU clusters performing distributed LLM training.
Data Center Spine-Leaf Interconnects: Enables ultra-dense 800G uplinks from modern leaf switches to spine switches, eliminating bandwidth bottlenecks inside data center architectures.
High-Flexibility Breakout Deployments: Supports versatile breakout configurations to seamlessly bridge legacy and next-gen hardware:
2x 400G DR4 breakout to 400G switches/routers.
8x 100G DR breakout to 100G server NICs or aggregation layers.
High-Performance Computing (HPC): Delivers highly reliable, high-speed data pipelines for storage networks, scientific research arrays, and cloud-based computing grids.
| Cisco Compatible | QDD-800G-DR8 | Vendor Name | HYTOPTODEVICE |
| Form Factor | OSFP | Max Data Rate | 850Gbps (8x 106.25Gbps) |
| Wavelength | 1310nm | Max Distance | 500m |
| Modulation Format | PAM4 | Host Required | FEC |
| Connector | MTP/MPO-16 | Voltage Supply | 3.3V |
| Cable Type | SMF | DDM Support | Yes |
| Transmitter Type | EML | Receiver Type | Pin |
| TX Power | -2.9~+4.0dBm | Receiver Sensitivity | < -5.9dBm |
| Operation Temperature | 0 to 70°C (32 to 158°F) | Maximum Power | < 16W |
| Protocols | IEEE 802.3cu, IEEE P802.3ck, QSFP-DD MSA HW Rev 6.01, CMIS5.0 | Application | 800G Ethernet, Data Center Interconnect, Infiniband Interconnects |
Q1: 800G DR8 VS 800G FR4, What is the primary difference ? A1: The primary differences are fiber type layout and distance. DR8 uses parallel optics (8 lanes of 100G running over 8 pairs of single-mode fiber) and reaches up to 500 meters. It is ideal for short-reach high-density environments and allows 8x100G or 2x400G breakouts. FR4 uses coarse wavelength division multiplexing (CWDM) over a single duplex LC fiber pair to reach up to 2km, but it does not natively breakout into 8 individual 100G lines.
Q2: Does this module support backward compatibility or breakout configurations? A2: Yes. The 800G DR8 module is highly flexible. It can be software-configured on the switch port to operate at full 800G speed, split into 2x 400G (DR4) links, or broken out into 8x 100G (DR) independent channels using an MPO breakout patch cable.
Q3: What type of fiber connector does this Cisco compatible module use? A3: The standard standard-density 800G QSFP-DD DR8 module utilizes an MPO-16 (APC) connector interface.
Q4: Is this module hot-swappable, and does it support DOM? A4: Yes, it is fully hot-pluggable, meaning it can be installed or removed without powering down the switch. It also features built-in Digital Optical Monitoring (DOM/DDM), allowing network administrators to monitor real-time metrics like TX/RX optical power, temperature, and voltage via the Cisco CLI.
Q5:Does this 800G QSFP-DD DR8 module support breakout applications? A5: Yes. It functions as an 800G QSFP-DD DR8 module and can be broken out into 2x 400G DR4 or 8x 100G DR independent links using appropriate MPO split cables.HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
"We replaced 200 Cisco-branded SFPs with HYTOPTODEVICE equivalents across our spine layer — zero compatibility issues, 40% cost reduction."— Network Architect, Tier-2 ISP, Germany
Quality Certification & Compliance:
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.







