NVIDIA Mellanox Compatible QSFP28 to SFP28 QSA Adapter — MAM1Q00A-QSA28

Save on your network migration with this Reef Optics QSFP28 to SFP28 QSA adapter, fully compatible with NVIDIA Mellanox platforms. Connect 25GbE SFP28, 10GbE SFP+, or 1GbE SFP transceivers to any QSFP28 port on your Mellanox switches and NICs — backed by our industry-leading 10-year warranty.

Key Specifications

• Part Number: MAM1Q00A-QSA28 (NVIDIA Mellanox Compatible)
• Form Factor: QSFP28 host side / SFP28 receptacle
• Data Rate: 100Gb/s to 25Gb/s (ETH 25GbE)
• Accepts: SFP28, SFP+, and SFP transceivers, AOC, and DAC cables
• Lane Usage: Lane 1 of QSFP28 connector (single lane)
• Standards: SFF-8665 (QSFP28 MSA), SFF-8402 (SFP28 MSA), RoHS
• Operating Temp: 0°C to +70°C
• Power: 0.1W maximum (without module)

Why Choose Reef Telecom?

• 10-year warranty on all refurbished and compatible equipment
• Free shipping on orders over $300
• Plug-and-play — no configuration required
• Tested for compatibility with Mellanox ConnectX and Spectrum switch platforms

Ideal for data center upgrades where QSFP28 switch ports need to connect to 25GbE SFP28 server NICs, or when migrating to 100GbE infrastructure while preserving existing SFP28 cabling. Compatible with Mellanox SN2700, SN2100, ConnectX-4, ConnectX-5, and ConnectX-6 platforms.

Condition

Certified Refurbished

Warranty

10-Year Reef Telecom Warranty

Manufacturer Part Number

MAM1Q00A-QSA28-RT

Reef SKU

MAM1Q00A-QSA28-RT

Brand

Reef Optics

Free ground shipping on orders over $300 (contiguous US). Same-day shipping on orders placed before 4 PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.