Lenovo OSFP800 to 2xOSFP400 DAC Cable, 2m (4X97A81829)

VENDOR: LENOVO Mfg Part#: 4X97A81829
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Regular price $2,477.00
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  • Direct Attach Cable (DAC) for OSFP800 to dual OSFP400 connections
  • Length: 2 meters, ideal for short-distance intra-rack or inter-rack connections
  • Passive copper design eliminates need for additional power
  • High-throughput support for next-gen data center environments
  • Compatible with modern OSFP hardware form factors

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Key Benefits

Eye-Insights
  • Enables cost-effective 800G to 2x400G connectivity using a single cable setup
  • Reduces power usage with passive copper design while maintaining high signal integrity
  • Optimized for Lenovo networking environments requiring reliable short-range interconnects

Product Overview

The Lenovo OSFP800 to 2xOSFP400 DAC (2M), model 4X97A81829, is a Direct Attach Cable engineered for short-distance, high-speed connectivity. With a 2-meter passive copper construction and dual-headed OSFP design, it bridges 800G and 2x400G device interfaces. Ideal for data centers and high-throughput networks, it provides a low-latency, power-efficient alternative to optical solutions. While COO and TAA compliance details are pending, Lenovo's enterprise-grade build quality ensures strong signal integrity and robust performance in modern infrastructure settings.

Specifications

Product Overview

Product Type Direct Attach Copper (DAC) Cable
Form Factor Passive twin-axial cable
Cable Length 2 m
Data Rate 800 Gbps (aggregated)
Split Configuration 1x OSFP800 to 2x OSFP400
Application High-speed short-reach interconnect
Typical Use Case Data center and enterprise networking
Power Consumption Low-power passive cable
Cable Type Passive Copper Twinax

Physical & Environmental

Cable Jacket Material PVC
Minimum Bend Radius 30 mm (typical)
Connector Housing Material Metal with EMI shielding
Operating Temperature Range 0°C to 70°C
Storage Temperature Range -40°C to 85°C
Humidity (Operating) 10% to 85% (non-condensing)
Humidity (Non-Operating) 5% to 95% (non-condensing)
Cable Color Black
Product Weight Approx. 0.5 kg

Cloud Management & Licensing

Cloud Managed No
Licensing Requirements None
Firmware Upgradable No

Interfaces

Left Connector Type 2x OSFP400
Right Connector Type OSFP800
Connector Gender Male to Male
Interface Standard QSFP-DD and OSFP compatible
Port Compatibility Compatible with OSFP/OSFP800-compliant ports
Transmission Mode Passive direct attach
Data Transfer Rate per Channel Up to 100 Gbps per lane
Lane Count 8 lanes per OSFP port

Compliance & Origin

Country of Origin
TAA Compliant
RoHS Compliant Yes
Halogen Free Yes
EMI Shielding Yes (suitable for data center environments)
ISO/IEC Standards Compliant with SFF-8636, SFF-8679 profiles

Advanced Security Features

Encryption Support No
Secure Boot or Authentication No