Mellanox Technologies MAM1Q00A-QSA28 cable gender changer QSFP28 SFP28 Black, Metallic

Mfr. Part #: MAM1Q00A-QSA28
Condition: New
  • Authenticity: Original Genuine OEM
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MAM1Q00A-QSA28

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MAM1Q00A-QSA28 Overview

NVIDIA MAM1Q00A-QSA28 Cable Adapter 100gb/s To 25gb/s Qsfp28 To Sfp28

QSFP28/SFP28, Male/Female, 3.6V, 16.4x113.9x11.8mm, Metallic/Black

  • QSFP28 Male
  • SFP28 Female
  • 100 Gbit/s
  • Black, Metallic

Summary Description

Mellanox Technologies MAM1Q00A-QSA28. Connector 1: QSFP28, Connector 2: SFP28. Product colour: Black, Metallic

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Specifications

Overview

Condition New
Brand Mellanox Technologies
Stock In Stock

Ports & interfaces

Connector 1 QSFP28
Connector 2 SFP28
Connector 1 gender Male
Connector 2 gender Female

Performance

Product colour Black, Metallic
Data transfer rate 100 Gbit/s

Power

Input voltage 3.6 V

Operational conditions

Operating temperature (T-T) 0 - 70 °C
Storage temperature (T-T) -10 - 85 °C
Relative humidity 5 - 85%

Weight & dimensions

Width 16.4 mm
Depth 113.9 mm
Height 11.8 mm

Frequently Asked Questions (FAQs)

What is the primary function of the Mellanox MAM1Q00A-QSA28 adapter? +
The MAM1Q00A-QSA28 is a high-performance QSFP28 to SFP28 adapter designed to bridge the gap between 100GbE QSFP28 ports and 25GbE SFP28 transceivers. It allows you to utilize existing 25G infrastructure within high-density 100G switch environments, offering significant flexibility for data center connectivity without requiring a full hardware overhaul.
Is the MAM1Q00A-QSA28 compatible with all standard QSFP28 switch ports? +
This adapter is engineered for compliance with SFF-8665 and SFF-8402 standards, ensuring broad compatibility with most industry-standard QSFP28 switch and network interface card ports. It enables a seamless physical transition, allowing the host port to autonegotiate or be manually configured to support the lower-speed SFP28 optical or copper transceiver modules plugged into the adapter.
Can I use the MAM1Q00A-QSA28 for 10GbE connectivity as well? +
While primarily designed for SFP28 applications, this adapter is generally compatible with SFP+ modules, enabling 10GbE connectivity in a QSFP28 port. This makes it an ideal solution for tiered networking architectures where you need to aggregate varying speeds of traffic into a single high-bandwidth uplink port on your Mellanox or third-party switches.
Does the MAM1Q00A-QSA28 require any specific switch-side configuration? +
In most deployment scenarios, the switch detects the presence of the adapter and the connected transceiver automatically. However, depending on your specific switch operating system, you may need to verify that the port speed is correctly set to match the transceiver installed in the adapter. Always ensure your switch firmware is up-to-date for optimal interoperability.
What are the common deployment scenarios for this adapter? +
The MAM1Q00A-QSA28 is frequently used in enterprise data centers for top-of-rack leaf-spine topologies. It is particularly useful for connecting legacy 25G or 10G server clusters to high-speed 100G core switches, allowing network administrators to maximize port utilization and extend the lifecycle of current SFP-based cabling and optics while migrating toward higher bandwidth standards.
How does using the MAM1Q00A-QSA28 affect signal latency? +
As a passive electrical adapter, the MAM1Q00A-QSA28 introduces negligible latency to the signal path. It functions primarily as a mechanical and electrical pass-through device, ensuring that the integrity of the data transmission is maintained from the transceiver to the switch ASIC. This makes it a reliable choice for latency-sensitive applications like high-frequency trading or HPC clusters.
Is the MAM1Q00A-QSA28 suitable for long-reach fiber connections? +
The performance and reach of your connection are determined by the SFP28 or SFP+ transceiver inserted into the adapter, not by the adapter itself. As long as you use compliant optics, this adapter effectively supports the specified distance and media type of your chosen transceiver, whether you are running multimode fiber for short reach or single-mode for longer distances.
What is the physical build quality of the Mellanox MAM1Q00A-QSA28? +
Mellanox designs these adapters with robust materials to withstand repeated insertion and extraction cycles. The form factor is precision-engineered to provide a secure, locking fit within QSFP28 cages, ensuring stable electrical contact and preventing accidental disconnections in high-density racks. The metallic casing also provides necessary heat dissipation and electromagnetic interference shielding to maintain network stability.
Can I request a bulk quote for MAM1Q00A-QSA28 units through BuyRouterSwitch.com? +
Absolutely. For enterprise-level deployments requiring multiple units, our sales team is ready to provide competitive volume pricing. Simply navigate to our bulk quote request portal or contact our sales department directly with your required quantities and project specifications. We specialize in streamlining the procurement process for large-scale data center infrastructure projects.
Why should I choose BuyRouterSwitch.com for Mellanox networking components? +
BuyRouterSwitch.com is a trusted source for genuine enterprise networking equipment. We prioritize providing our clients with authentic hardware and a streamlined procurement experience. By choosing us, you benefit from a dedicated focus on networking peripherals and a highly responsive team committed to fulfilling your infrastructure needs with precision, speed, and deep technical understanding of the products we carry.

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