Hardware Spec Index

Tessarix WA-9866 Pro Wi-Fi 6 PCIe Card (2,402 Mbps)

Wi-Fi Adapters · Tessarix · SKU WA9866-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,215 (Wi-Fi Adapters scale)
Category rank#20,500
Street price$29
Power3 W
Performance per dollar41.90
Released2025

Specifications

BrandTessarix
ModelTessarix WA-9866 Pro
Wi-Fi standardWi-Fi 6 (IEEE 802.11ax)
Form factorPCIe x1 add-in card
Max PHY rate2,402 Mbps (5 GHz, 160 MHz, 2×2)
Bands2.4 / 5 GHz
Max channel width160 MHz
Modulation1024-QAM
MLONot supported
BluetoothBluetooth 5.2
Antennas2× external, magnetic base
OS supportWindows 11, Linux (kernel 6.x)

Related guides

Wi-Fi 6 vs Wi-Fi 6E vs Wi-Fi 7 ComparedWi-Fi 7 (802.11be) ExplainedWi-Fi 6E Explained

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Cite this page: Hardware Spec Index, “Tessarix WA-9866 Pro Wi-Fi 6 PCIe Card (2,402 Mbps)”, https://vextor7.com/item/2616005 (accessed 2026-10-19).