Hardware Spec Index

Tessarix PX-4221 Max Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4221-MAX · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index5,166 (PCIe Cards & NVMe Enclosures scale)
Category rank#31,326
Street price$379
Power6 W
Performance per dollar13.63
Released2022

Specifications

BrandTessarix
ModelTessarix PX-4221 Max
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingPassive heatsink
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

Related guides

NVMe SSDs ExplainedPCIe Lanes ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Tessarix PX-9507 Edge M.2 NVMe to PCIe 4.0 x4 Adapter2,178$69Compare
Tessarix PX-7904 Ti PCIe 4.0 x16 Riser Cable4,279$209Compare
Strivon PX-5300 Ultra PCIe 5.0 x16 Riser Cable2,162$69Compare
Veltrix PX-9498 XT PCIe 4.0 x16 Riser Cable654$19Compare
Veltrix PX-5949 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter1,201$29Compare
Altrix PX-6733 Edge M.2 NVMe to PCIe 4.0 x4 Adapter1,482$39Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4221 Max Dual M.2 PCIe Switch Card”, https://vextor7.com/item/20005024 (accessed 2026-10-18).