800G OSFP112 and QSFP-DD
Description
Technical Parameters
Seven models across OSFP and QSFP-DD, covering multi-mode short-reach and single-mode medium-/long-haul – all with PAM4 at 53.125 GBaud per lane.
As 800G becomes the new baseline for AI training, HPC, and cloud spine-leaf fabrics, your optical interconnect must offer density, protocol flexibility, and investment protection. This series delivers exactly that – with six OSFP variants and one 800G QSFP-DD option, each engineered to meet the most demanding bandwidth and latency requirements of next-generation networks.
OSFP Family – Six Models, Two Technology Tracks
Single-Mode Medium-/Long-Haul (EML + PIN, up to 2 km)
|
Model |
Technology |
Reach |
Interface |
Protocol |
|
S-OS800G31DL2K-CD (2xFR4) |
CWDM4, 4-wavelength |
2 km (SMF) |
LC duplex |
Ethernet / InfiniBand NDR |
|
S-OS800G31DM1205-CD (2xDR4) |
1310 nm parallel |
500 m (SMF) |
Dual MPO-12 |
Ethernet / InfiniBand NDR |
|
S-OS800G85M1605-CD (DR8) |
1310 nm parallel |
500 m (SMF) |
MPO-16 |
Ethernet / InfiniBand NDR |
These three are ideal for campus backbone, inter-building links, and HPC cluster node interconnects.
Multi-Mode Short-Reach (850 nm VCSEL, up to 100 m)
|
Model |
Technology |
Reach (OM4) |
Interface |
Highlights |
|
S-OS800G31M1601-CD (SR8) |
8-channel VCSEL |
100 m |
MPO-16 |
Standard low-power short-reach |
|
S-OS800G85DM12A01-CD (2xSR4) |
Dual 4-channel VCSEL |
100 m |
Dual MPO-12 |
Flexible rate splitting |
|
S-OS800G85DM12A50M-CD (2xVR4) |
Type-2 with heatsink |
50 m |
Dual MPO-12 |
Optimised for InfiniBand ultra-low-latency |
These three are purpose-built for ToR-to-leaf, intra-rack, and high-density leaf-spine short-haul links.
QSFP-DD Family – One Model, Maximum Flexibility
The800G QSFP-DD variant, S-QS800G85DM1201-CD (SR8), adopts a Type-2B package with dual MPO-12 interfaces. It supports OM4 fiber for up to 50 m and is fully compliant with IEEE 802.3df. What sets it apart is its multi-rate breakout capability – 8×100G / 4×200G / 2×400G / 1×800G – allowing you to seamlessly upgrade existing QSFP-DD-based switches and servers without changing the hardware. This single800G QSFP-DD module not only protects your current cabling investment but also gives you granular port-splitting options for diverse traffic patterns.
Common Features Across the Entire Series
Hot-pluggable with full digital diagnostics (DDM) for real-time monitoring of temperature, voltage, per-channel Tx/Rx power, and bias current.
Commercial temperature range (0 ~ 70 °C) – proven in high-density data center environments.
Class 1 laser safety and RoHS compliant.
CMIS-compliant management interface for unified network orchestration and easy troubleshooting.
Where to Deploy – From Cloud DCs to AI Superclusters
This 800G transceiver portfolio covers virtually every high-bandwidth scenario:
- Cloud data center spine-leaf architectures – scale capacity without scaling rack space.
- AI/ML training clusters – handle burst-traffic and all-reduce operations with minimal latency.
- Distributed storage pools – maintain high throughput for NVMe-over-Fabrics.
- HPC interconnects – InfiniBand NDR ready for supercomputing.
- Campus and metro interconnects – up to 2 km with CWDM and parallel single-mode.
Whether you choose OSFP for its wide model selection or the800G QSFP-DD for its backward-compatible flexibility and multi-rate breakout, this series delivers the lowest per-bit cost and the highest port density – ensuring your network is ready for the AI-driven future.
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