800G AOC | MKQSFP-DD / MKQSFP
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Product Detail
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Product Description
This 800G Active Optical Cable (AOC) is an 8-lane parallel optical link module. It supports 8×106.25 Gbps PAM4 electrical and optical data transmission, with a total aggregate bandwidth of 850 Gbps.
The product is designed for high-density data centers, AI/GPU clusters, InfiniBand NDR, 800G Ethernet switches and high-performance computing (HPC) applications. It supports both DSP (high compatibility) and LPO (low power) architectures.
Key Features
- 8 lanes × 106.25 Gbps PAM4, total 850 Gbps
- Hot-pluggable QSFP-DD or OSFP package
- Compliant with CMIS 4.0/5.0, OSFP MSA 5.0, IEEE 802.3ck
- DSP and LPO optional
- 850 nm VCSEL and PIN receiver
- OM3/OM4/OM5 multimode fiber
- Cable length: 1m to 30m
- Built-in DDM (Digital Diagnostic Monitoring)
- Operating temperature: 0°C to +70°C
- Supply voltage: 3.3V ±5%
- RoHS, CE, FCC compliant
Technical Specifications
3.1 General Parameters
| Parameter | Specification |
| ····Total Data Rate | 850 Gbps (8×106.25Gbps PAM4) |
| Modulation Format | PAM4 |
| Baud Rate per Lane | 53.125 GBd |
| Optical Wavelength | 850 nm |
| Fiber Type | OM3/OM4/OM5 MMF |
| Connector | MPO-16 APC |
| Cable Diameter | 3.0 mm ±0.1 mm |
| Minimum Bend Radius | 30 mm |
3.2 Electrical Characteristics (Per End)
| Parameter | DSP Version | LPO Version |
| Supply Voltage | 3.3V ±5% | 3.3V ±5% |
| Typical Power Consumption | 12–14 W | 6–8 W |
| Maximum Power Consumption | ≤14 W | ≤8 W |
| Differential Voltage | 900 mVpp | 800–900 mVpp |
3.3 Optical Characteristics (Per Lane)
| Parameter | Min | Typ | Max |
| Tx Optical Power | -6 dBm | -2 dBm | +2 dBm |
| Rx Sensitivity (OMA) | -5.3 dBm | — | -3.9 dBm |
| Rx Overload | — | — | +4 dBm |
| Extinction Ratio | ≥3.5 dB | — | — |
| Return Loss | ≥21.4 dB | — | — |
3.4 Transmission Distance
| Interface | Fiber | Max Distance |
| QSFP-DD | OM3 | 30 m |
| QSFP-DD | OM4 | 50 m |
| OSFP | OM3 | 30 m |
| OSFP | OM4 | 50 m |
Mechanical Dimensions
- QSFP-DD: 72.0 × 18.35 × 13.0 mm
- OSFP: 96.0 × 22.0 × 15.0 mm (integrated heatsink)
Typical Applications
- 800G Ethernet switch interconnection
- Data center leaf-spine network
- AI server & GPU cluster interconnection
- InfiniBand NDR system
- High-performance computing (HPC)
- Hyperscale cloud infrastructure
Compatible Equipment
- NVIDIA (Mellanox)
- Arista
- Cisco
- Broadcom
- Dell, HPE
- ZTE, Huawei
- White-box switches and servers
Reliability
- MTBF: ≥ 5,000,000 hours
- Mating cycles: ≥ 500
- ESD: ±8 kV contact, ±15 kV air
- BER: ≤ 1×10⁻¹²
Ordering Information
| Part Number | Interface | Length | Scheme | Fiber |
| QDD-800G-A-1M | QSFP-DD | 1 m | DSP | OM4 |
| QDD-800G-A-3M | QSFP-DD | 3 m | DSP | OM4 |
| QDD-800G-A-5M | QSFP-DD | 5 m | DSP | OM4 |
| OSP-800G-A-10M | OSFP | 10 m | LPO | OM4 |
| OSP-800G-A-20M | OSFP | 20 m | LPO | OM4 |
| OSP-800G-A-30M | OSFP | 30 m | LPO | OM4 |
Notes
- Length, fiber type, DSP/LPO and vendor compatibility can be customized.
- OEM/ODM services are available for bulk orders.
- CMIS 5.1 and FEC configuration are supported upon request.