Hardware Spec Index

Tessarix PX-1921 SE Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX1921-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index3,767 (PCIe Cards & NVMe Enclosures scale)
Category rank#9,689
Street price$219
Power6 W
Performance per dollar17.20
Released2021

Specifications

BrandTessarix
ModelTessarix PX-1921 SE
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
Veltrix PX-9166 Edge Quad M.2 PCIe 5.0 x16 Card4,367$269Compare
Strivon PX-5647 Core USB 3.2 Gen 2x2 NVMe Enclosure3,173$129Compare
Strivon PX-6099 Core USB4 40Gbps NVMe Enclosure3,700$219Compare
Veltrix PX-6312 XT USB 3.2 Gen 2x2 NVMe Enclosure1,625$49Compare
Tessarix PX-2309 Pro USB 3.2 Gen 2 NVMe Enclosure2,084$79Compare
Tessarix PX-9673 Edge M.2 NVMe to PCIe 4.0 x4 Adapter2,737$119Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-1921 SE Dual M.2 PCIe Switch Card”, https://vextor7.com/item/7696705 (accessed 2026-10-20).