Hardware Spec Index

Tessarix PX-4557 XT M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4557-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index2,151 (PCIe Cards & NVMe Enclosures scale)
Category rank#24,181
Street price$69
Power6 W
Performance per dollar31.17
Released2024

Specifications

BrandTessarix
ModelTessarix PX-4557 XT
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
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
Tessarix PX-9707 Edge USB 3.2 Gen 2 NVMe Enclosure1,918$59Compare
Tessarix PX-7741 Edge M.2 NVMe to PCIe 4.0 x4 Adapter1,197$29Compare
Veltrix PX-5586 Core USB 3.2 Gen 2x2 NVMe Enclosure3,050$119Compare
Tessarix PX-2318 Ti Dual M.2 PCIe Switch Card4,833$269Compare
Veltrix PX-4111 Edge USB 3.2 Gen 2x2 NVMe Enclosure2,182$79Compare
Veltrix PX-7916 Core USB 3.2 Gen 2 NVMe Enclosure3,404$179Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4557 XT M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/4954697 (accessed 2026-10-21).