Hardware Spec Index

Tessarix PX-8261 Ultra Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8261-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index5,416 (PCIe Cards & NVMe Enclosures scale)
Category rank#41,976
Street price$389
Power12 W
Performance per dollar13.92
Released2026

Specifications

BrandTessarix
ModelTessarix PX-8261 Ultra
TypeQuad M.2 PCIe 5.0 x16 Card
Host interfacePCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~14,000 MB/s
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 ExplainedPCIe 5.0 ExplainedUSB4 ExplainedThunderbolt 5 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Strivon PX-4853 Plus M.2 NVMe to PCIe 4.0 x4 Adapter733$19Compare
Veltrix PX-6542 Ultra USB4 40Gbps NVMe Enclosure3,197$159Compare
Veltrix PX-5202 Pro Quad M.2 PCIe 5.0 x16 Card5,600$399Compare
Veltrix PX-4903 Core USB 3.2 Gen 2 NVMe Enclosure2,109$59Compare
Altrix PX-7186 Pro PCIe 4.0 x16 Riser Cable1,407$39Compare
Veltrix PX-1522 Pro USB 3.2 Gen 2 NVMe Enclosure2,263$79Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8261 Ultra Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/817002 (accessed 2026-10-21).