Hardware Spec Index

Tessarix PX-4421 Ultra Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4421-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index4,867 (PCIe Cards & NVMe Enclosures scale)
Category rank#28,409
Street price$319
Power6 W
Performance per dollar15.26
Released2023

Specifications

BrandTessarix
ModelTessarix PX-4421 Ultra
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
CoolingHeatsink + 40 mm fan
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
Altrix PX-1376 Prime USB4 40Gbps NVMe Enclosure4,039$249Compare
Strivon PX-1598 Core USB 3.2 Gen 2 NVMe Enclosure4,544$229Compare
Altrix PX-3073 Edge PCIe 4.0 x16 Riser Cable1,135$29Compare
Altrix PX-7282 XT Dual M.2 PCIe Switch Card3,776$209Compare
Veltrix PX-6067 Ti M.2 NVMe to PCIe 4.0 x4 Adapter733$19Compare
Strivon PX-8407 Pro USB 3.2 Gen 2x2 NVMe Enclosure1,604$49Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4421 Ultra Dual M.2 PCIe Switch Card”, https://vextor7.com/item/6518 (accessed 2026-10-20).