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NVIDIA OSFP twin-port transceiver module with finned heatsink and dual MPO12 APC connectors

NVIDIA

NVIDIA MMA4Z00-NS-T OSFP Twin Port SFP Transceiver 2x400GbE 800Gbps 850nm 50m MPO12 APC Finned

SKU CH-HCD5-T4E9K MPN MMA4Z00-NS-T

Twin-port OSFP transceiver delivers 800 Gbps over dual 400 GbE links at 850 nm up to 50 m via MPO12 APC connectors with a finned design

  • Twin-port design delivers 800 Gbps aggregate throughput
  • Each port runs 400 GbE over multimode fibre
  • 850 nm VCSEL optics reach 50 m on OM4
  • Dual MPO-12 APC connectors ensure precise alignment
  • Hot-pluggable OSFP form factor with finned heatsink

Twin-port OSFP transceiver for 800 Gbps links

This NVIDIA module delivers two 400 GbE interfaces in a single OSFP form factor. It targets data-centre operators who need high-density connectivity between switches or servers over multimode fibre. The hot-pluggable design allows insertion without system downtime. Each port uses an MPO-12/APC connector for straightforward patching.

Replaces two separate 400 GbE transceivers

Consolidating twin ports into one OSFP cage cuts front-panel density in half compared with single-port modules. The jump is worthwhile when rack space is at a premium and both 400 GbE links run to the same neighbour device. It does not suit builds that require only a single 400 GbE connection or that lack OSFP cages.

Handles 800 Gbps aggregate over 50 m multimode runs

VCSEL sources at 850 nm support links up to 50 m (164 ft) on OM3/OM4 fibre, covering typical row-to-row or adjacent-rack distances. The finned body aids thermal management in crowded chassis. Beyond 50 m the optical budget is exceeded, so longer spans need a different transceiver type.

Highlights

  • Twin-port design delivers 800 Gbps aggregate throughput
  • Each port runs 400 GbE over multimode fibre
  • 850 nm VCSEL optics reach 50 m on OM4
  • Dual MPO-12 APC connectors ensure precise alignment
  • Hot-pluggable OSFP form factor with finned heatsink

Specifications

BrandNvidia
ModelMMA4Z00-NS-T
Part NumberMMA4Z00-NS-T
Shipping weight0.91 kg
Package size127 × 127 × 36 mm

Questions about this item

What physical clearance does the finned OSFP module need in a cage?

The finned heat-sink extends above the standard OSFP cage height, so the chassis must provide extra vertical clearance above the port to accommodate the fins.

What is the correct MPO-12/APC polarity method when plugging the twin ports?

Each port uses an MPO-12/APC connector; follow the array’s documented Type-B polarity map so that Tx fibres on one transceiver align with Rx fibres on the opposite end.

When should the 850 nm VCSEL arrays be cleaned or replaced?

Clean the MPO-12/APC end-faces with a lint-free swab whenever insertion loss rises; replace the module if link errors persist after cleaning or after physical damage to the ferrules.

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