Hardware Spec Index

Tessarix PX-4858 Plus M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX4858-PLUS · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,770 (PCIe Cards & NVMe Enclosures scale)
Category rank#40,342
Street price$49
Power6 W
Performance per dollar36.12
Released2022

Specifications

BrandTessarix
ModelTessarix PX-4858 Plus
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
Altrix PX-6831 Edge Thunderbolt 5 NVMe Enclosure5,199$299Compare
Tessarix PX-1967 SE USB4 40Gbps NVMe Enclosure4,035$269Compare
Tessarix PX-5755 Pro PCIe 4.0 x16 Riser Cable909$19Compare
Altrix PX-6623 SE USB 3.2 Gen 2x2 NVMe Enclosure4,753$339Compare
Altrix PX-7824 SE M.2 NVMe to PCIe 4.0 x4 Adapter5,054$329Compare
Veltrix PX-5130 Ti PCIe 4.0 x16 Riser Cable2,621$119Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-4858 Plus M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/91827986 (accessed 2026-10-21).