Hardware Spec Index

Tessarix WA-4978 Ultra Wi-Fi 6E PCIe Card (2,402 Mbps)

Wi-Fi Adapters · Tessarix · SKU WA4978-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,495 (Wi-Fi Adapters scale)
Category rank#44,951
Street price$39
Power3 W
Performance per dollar38.33
Released2024

Specifications

BrandTessarix
ModelTessarix WA-4978 Ultra
Wi-Fi standardWi-Fi 6E (IEEE 802.11ax)
Form factorPCIe x1 add-in card
Max PHY rate2,402 Mbps (6 GHz, 160 MHz, 2×2)
Bands2.4 / 5 / 6 GHz
Max channel width160 MHz
Modulation1024-QAM
MLONot supported
BluetoothBluetooth 5.3
Antennas2× external, magnetic base
OS supportWindows 11, Linux (kernel 6.x)

Related guides

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

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Cite this page: Hardware Spec Index, “Tessarix WA-4978 Ultra Wi-Fi 6E PCIe Card (2,402 Mbps)”, https://vextor7.com/item/20056001 (accessed 2026-10-20).