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NVIDIA

NVIDIA MAM1Q00A-QSA28 | 25G, QSFP28-to-SFP28, 25GBASE pass-through, wavelength: per SFP28, reach: per SFP28, connector: QSFP28 to SFP28

SKU:MAM1Q00A-QSA28

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Description

Passive QSFP28-to-SFP28 adapter that enables a 100G QSFP28 Ethernet port to operate as a single 25G port with a standard SFP28 transceiver or DAC. Streamlines 25GbE adoption on 100G-capable switches and NICs.

Features

- Enables 25GbE on QSFP28 100G-capable ports
- Leverages existing SFP28 optics and DACs
- Simple, plug-and-play passive adapter
- Cost-effective path to 25G upgrades

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Can this provide a full 100G link?
A: No. It enables a single 25G link from a QSFP28 port. For 100G you must use a QSFP28 100G module or cable.

Q: Which SFP28 modules are compatible?
A: Most MSA-compliant 25G SFP28 optics and DACs, subject to host port compatibility. Check your platform’s approved module list.

Q: Is any special configuration required?
A: Set the QSFP28 port to 25G where required and ensure the platform supports QSA28 operation.

Technical Specifications

- Type: QSFP28-to-SFP28 adapter (QSA28)
- Host port: QSFP28 (100G) operating in 1x25G mode
- Supported data rate: 25GbE
- Standards: 25GBASE-SR/LR/ER/CR as provided by installed SFP28
- Form factors: QSFP28 MSA to SFP28 MSA
- Operation: Passive electrical/mechanical adapter
- Reach: Determined by the installed SFP28 or DAC
- Wavelength: Determined by the installed SFP28
- Compatibility: QSFP28 ports that support 25G operation (platform/firmware dependent)
- Power consumption: Negligible (passive device)

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