Hardware Spec Index

Altrix PX-4277 XT Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4277-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index4,564 (PCIe Cards & NVMe Enclosures scale)
Category rank#4,980
Street price$279
Power12 W
Performance per dollar16.36
Released2025

Specifications

BrandAltrix
ModelAltrix PX-4277 XT
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
Tessarix PX-1268 Plus Quad M.2 PCIe 4.0 x16 Card5,386$349Compare
Veltrix PX-1846 Core USB 3.2 Gen 2x2 NVMe Enclosure4,687$259Compare
Tessarix PX-9890 SE Dual M.2 PCIe Switch Card3,391$169Compare
Veltrix PX-6508 XT M.2 NVMe to PCIe 4.0 x4 Adapter985$19Compare
Tessarix PX-5856 Plus Quad M.2 PCIe 4.0 x16 Card5,001$349Compare
Veltrix PX-1812 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter2,985$129Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4277 XT Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/8083422 (accessed 2026-10-23).