AristaArista Compatible 400G OSFP LR4 Optical Transceiver
Designed for 400G Ethernet data centers, HPC and machine learning clusters, the Arista Compatible 400G OSFP LR4 Optical Transceiver provides 400Gbps throughput in a OSFP (IHS/Finned Top) form factor. It operates at 1271nm, 1291nm, 1311nm, and 1331nm over SMF through a Duplex LC/UPC connector and supports link lengths up to 10km. The module meets OSFP MSA, IEEE 802.3 bs-400GAUI-8, IEEE 802.3 cu, and CMIS4.0 and includes digital diagnostic monitoring for live status readout.
Product Highlights
- OSFP (IHS/Finned Top) form factor, 400Gbps data rate
- Wavelength: 1271nm, 1291nm, 1311nm, and 1331nm
- Connector: Duplex LC/UPC
- Reach: up to 10km
- Fiber media: SMF
- DDM/DOM: Supported
Specifications
| Arista Networks Compatible | OSFP-400G-LR4 |
|---|---|
| Manufacturer | HT |
| Form Factor | OSFP (IHS/Finned Top) |
| Max. Data Rate | 400Gbps |
| Wavelength | 1271nm, 1291nm, 1311nm, and 1331nm |
| Max. Cable Distance | 10km |
| Connector | Duplex LC/UPC |
| Media | SMF |
| Transmitter Type | CWDM EML |
| Receiver Type | PIN |
| TX Power | -1.9~4.8dBm |
| Minimum Receiver Power | -9.1dBm |
| Power Budget | 7.2dB |
| Receiver Overload | 5.6dBm |
| Max. Power Consumption | 10W |
| Extinction Ratio | 3.5dB |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Modulation (Electrical) | 8x50G-PAM4 |
| Modulation (Optical) | 4x100G-PAM4 |
| CDR (Clock and Data Recovery) | TX & RX Built-in DSP |
| Inbuilt FEC | No |
| Bit Error Ratio (BER) | ＜1E-12 |
| MTBF | 6955554.01 Hours |
| Packaging Technology | COB (Chip on Board) Packaging |
| Application | 400G Ethernet |
| Protocols | OSFP MSA, IEEE 802.3 bs-400GAUI-8, IEEE 802.3 cu, and CMIS4.0 |
Applications
Network architects choose the Arista Compatible 400G OSFP LR4 Optical Transceiver for 400G Ethernet data centers, HPC and machine learning clusters: it runs 400Gbps over SMF and reaches 10km. The Duplex LC/UPC interface and 1271nm, 1291nm, 1311nm, and 1331nm optics match the standard cabling plant used in modern data halls, so existing trunks can be reused. It is interoperable with Arista Networks platforms and replaces the Arista Networks part OSFP-400G-LR4 directly. The link runs 8x50G-PAM4 modulation, which keeps it aligned with current 400G switch silicon.
Standards and Compatibility
This product is designed and tested to comply with OSFP MSA, IEEE 802.3 bs-400GAUI-8, IEEE 802.3 cu, and CMIS4.0. It is interoperable with Arista Networks equipment and serves as a direct equivalent to the Arista Networks part number OSFP-400G-LR4.
Ordering Information
To order, quote OSFP-LR4-400G together with your quantity. Stock items ship quickly; for OEM orders we support custom labels, retail packing and vendor-specific coding, all handled in our own factory.
Reliability Control
From incoming component inspection to final burn-in, quality is controlled at each step of production. Finished units are verified on real networking equipment in our compatibility lab, and test records are kept per batch so that any field question can be traced back quickly.
Packing Details
Standard packing is an anti-static bag plus blister protection, with cartons sized to keep products from moving in transit. We apply our standard labels by default; neutral packing or customer-branded labels, part number stickers and serial barcodes are all available on request.
OEM and Custom Orders
We have manufactured fiber optic connectivity products since 1995 and run our own production lines in Shenzhen. Beyond the standard catalog we build to order: special cable lengths, custom connector combinations, vendor-specific compatibility coding and private labeling. Send us your requirement and our engineers will quote a practical solution.
Logistics
Our warehouse keeps fast-moving transceivers and cables ready for same-week dispatch. Courier, air freight and sea freight options are all available depending on your budget and schedule, and we consolidate multiple items into one shipment whenever it saves you cost.
