400GBASE-SR8 QSFP-DD Optical Transceiver — NVIDIA Mellanox Compatible
Upgrade your data center to 400G Ethernet with this Reef Optics 400GBASE-SR8 QSFP-DD transceiver module. Engineered for high-density 400 Gigabit Ethernet connectivity, this module delivers reliable, high-speed performance at a fraction of OEM cost — backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
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Data Rate: 400Gbps (8x50G PAM4)
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Form Factor: QSFP-DD (Quad Small Form-factor Pluggable Double Density)
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Wavelength: 850nm VCSEL
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Max Distance: 100m over OM4 MMF / 70m over OM3 MMF
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Connector: MTP/MPO-16 APC
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Digital Optical Monitoring (DOM): Yes
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Standards: IEEE 802.3bs, 400GAUI-8/CEI-56G-VSR-PAM4, QSFP-DD MSA
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Breakout Support: 2×200G-SR4 and 8×50G-SR
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Power Consumption: <10W
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Temperature: Commercial (0°C to +70°C)
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Compatibility: NVIDIA Mellanox — drop-in replacement, will not void switch warranty
Why Buy from Reef Telecom?
- 10-year warranty — the longest in the industry
- Free shipping on orders over $300
- 100% compatibility tested and guaranteed
- Same-day shipping on in-stock items
Ideal Use Cases
Perfect for data center spine-leaf architectures, high-performance computing (HPC) clusters, AI/ML training networks, and enterprise core switching environments requiring short-reach 400GbE multimode fiber connectivity between switches and servers.
