NVIDIA/Mellanox SFP-10GZR-55-I Compatible 10G SFP+ ZR Transceiver Module

NVIDIA/Mellanox SFP-10GZR-55-I Compatible 10G SFP+ ZR Transceiver Module

Built for hosts recognizing SFP-10GZR-55-I, this HT-manufactured SFP+ module delivers 10G transmission at 1550nm. Its rated reach is 80km, with Duplex LC as the physical interface. The specifications and engineering guidance below support installers plan a serviceable optical connection at the equipment rack, while keeping HT manufacture separate from the OEM cross-reference.

OEM Part Number: SFP-10GZR-55-IHT Part Number: SFP-10GZR-55-I

Product Highlights

  • Compatible alternative to NVIDIA/Mellanox SFP-10GZR-55-I
  • 10G connectivity at 10.3125Gbps
  • Optical wavelength: 1550nm
  • Specified reach: 80km
  • Duplex LC / SMF interface
  • Operating temperature: -40 to 85°C (-40 to 185°F)
  • Factory compatibility verification and optical performance testing before shipment

Specifications

HT Part NumberSFP-10GZR-55-I
ManufacturerHT
Form FactorSFP+
Max. Data Rate10.3125Gbps
Wavelength1550nm
Max. Transmission Distance80km
ConnectorDuplex LC
MediaSMF
Transmitter TypeEML
Receiver TypePIN
TX Power0~5dBm
Receiver Sensitivity<-23dBm
Power Budget23dB
Receiver Overload-8dBm
Max. Power Consumption≤2W
Extinction Ratio>7.5dB
Core Size9/125µm
ModulationNRZ
Operating Temperature-40 to 85°C (-40 to 185°F)
ProtocolsIEEE Std 802.3by, SFF-8402, SFF-8432, SFF-8472, SFF-8431, SFF-8024

Rack Integration and Service Access

Plan the fiber route before removing connector protection. The patch lead should follow its manager without pulling on the transceiver, while leaving space to release the latch and service adjacent ports. Protect the end face until final connection and avoid tight bends immediately behind warm exhaust air. For this model, the principal parameters are data rate 10.3125Gbps, wavelength 1550nm, rated reach 80km.

Applications and Optical Link Design

Use this module for equipment interconnection over the specified single-mode fiber plant, including enterprise backbone, campus, metro or data-center interconnect links according to its rated distance. Confirm that both ends use the same optical standard and wavelength plan, and allow for connector, splice and patch-panel loss within the stated power budget.

The industrial temperature rating makes this version appropriate for controlled outdoor cabinets, transport nodes and other installations exposed to wider ambient temperature variation. Adequate airflow, protected cable routing and host-platform temperature limits still apply.

Wavelength-selective links require the exact channel plan at both ends. Confirm that filters pass 1550nm, then include their insertion loss in the 80km power budget. A nearby channel is not a substitute for the specified wavelength.

Optical Acceptance, Diagnostics and Handling

For this model, the specified transmit-power range is 0~5dBm; receiver sensitivity is <-23dBm; the stated optical power budget is 23dB. During commissioning, record the host diagnostic readings after the link has stabilized and compare them with those limits. DOM values are useful operational indicators, but they do not replace calibrated optical measurements when a link is marginal. Investigate unexpected loss through connector inspection, cleaning and a channel measurement before replacing the module. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.

Quality Assurance and Packaging

Each SFP-10GZR-55-I compatible module is inspected, powered up and functionally checked before protective packing. Dust caps and individual trays shield the interface during transport. Customer references, rack groups and project packing lists can be added for volume orders.

NVIDIA/Mellanox Compatibility and Factory Testing

Factory verification starts with the expected SFP-10GZR-55-I identity and finishes with an operating host link. EEPROM data, diagnostic visibility and the stated optical parameters are assessed together. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.

Frequently Asked Questions

Is this an original NVIDIA/Mellanox transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies SFP-10GZR-55-I, not an original NVIDIA/Mellanox-branded module.

Which fiber and connector are required?

Use Duplex LC with SMF. The specified maximum reach is 80km, subject to fiber quality and total link loss.

Can it be mixed with another wavelength or reach version?

Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.

Ordering Information

Use SFP-10GZR-55-I as the compatibility cross-reference and SFP-10GZR-55-I as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.

Shipping and Lead Time

Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.


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