NVIDIA/Mellanox Compatible 1.6T OSFP224 2xDR4 1310nm 500m SMF PAM4 LRO Optical Transceiver

RoCE Ethernet Interconnects

1.6T OSFP224 2xDR4 500m Transceiver | O-1.6TLRO-2DR4 / NVIDIA/Mellanox

Catalog reference: NVIDIA/Mellanox Compatible 1.6TBASE-2xDR4 OSFP IHS/Finned Top 8x200G PAM4 1310nm 500m SMF DOM Dual MPO-12/APC Linear-drive Receive Optics (LRO) Transceiver Module

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NVIDIA/Mellanox compatible 1.6T OSFP224 LRO transceiver eliminates receive-side DSP to reduce power and latency, consuming ≤17W while lowering cooling requirements and maintaining reliable signal transmission with seamless interoperability. This enables more efficient and scalable next-generation 1.6T network deployments. Ideal for AI clusters, HPC systems, and 1.6T networking.

Family o-1-6tlro-2dr4-104563Model O-1.6TLRO-2DR42 SKU options

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Requested coding target: NVIDIA/Mellanox
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Review boundary: These identifiers reproduce source catalog matching terms only; they do not establish interoperability, approval or endorsement. Confirm the exact host model, port type, firmware and test evidence before use.

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SKU 104563 - Model O-1.6TLRO-2DR4

NVIDIA/Mellanox Compatible 1.6T OSFP224 2xDR4 1310nm 500m SMF PAM4 LRO Optical Transceiver

BrandSUNFULL

Compatible brand / platformNVIDIA/Mellanox (Ethernet)

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Product brand: SUNFULL. Third-party names identify requested compatibility or coding targets only and do not imply affiliation, endorsement or original-equipment status.

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Low power consumption ≤17W.
Linear Receive Optics (LRO) technology reduces power consumption while maintaining signal integrity.
Lower latency and improved energy efficiency compared to fully retimed optics.
Compliant with Hot Pluggable OSFP MSA Rev5.0, CMIS and IEEE 802.3df standards.
Class 1/1M laser safety certified and RoHS compliant (lead-free).
Supports DDM (Digital Diagnostic Monitoring).

Engineering record

Specifications

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Form Factor: OSFP224
Distance: 500m
Wavelength: 1310nm
Connector: Dual MPO-12/APC
Power Consumption: ≤17W
Transmitter: 1310nm Laser
Receiver: PIN + TIA
Media: SMF
Modulation (electrical): 8x212Gb/s PAM4
Modulation (Optical): Two ports 4x212Gb/s PAM4
Case Temperature(℃): 15 to 70°C (59 to 158°F)
Protocol: 1.6T Ethernet Compliant

Technical detail

Construction and application notes for O-1.6TLRO-2DR4

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Interface and construction

Unlike conventional retimed optics with full DSP (Tx+Rx), LRO eliminates the receive-side DSP. This reduces module power consumption to ≤17W from 25W, saving over 8W per module to improve energy efficiency and lower cooling costs. The linear receive architecture shortens signal processing paths for lower latency, while the retimed transmit path ensures robust link compatibility across diverse host platforms. Optimized for next-generation AI clusters, HPC systems, and 1.6T networking, LRO provides an ideal balance of power, latency, and interoperability for large-scale AI fabrics.