Hardware Spec Index

Tessarix PX-8591 Edge Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Tessarix · SKU PX8591-EDGE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index4,762 (PCIe Cards & NVMe Enclosures scale)
Category rank#41,314
Street price$249
Power6 W
Performance per dollar19.12
Released2023

Specifications

BrandTessarix
ModelTessarix PX-8591 Edge
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
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-5325 Max Thunderbolt 5 NVMe Enclosure4,137$219Compare
Strivon PX-9781 Core USB4 40Gbps NVMe Enclosure2,901$119Compare
Altrix PX-6361 XT PCIe 4.0 x16 Riser Cable2,151$69Compare
Tessarix PX-3517 Plus USB 3.2 Gen 2 NVMe Enclosure4,806$319Compare
Altrix PX-2054 Plus USB 3.2 Gen 2 NVMe Enclosure2,531$99Compare
Tessarix PX-3258 XT USB4 40Gbps NVMe Enclosure3,946$219Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Tessarix PX-8591 Edge Dual M.2 PCIe Switch Card”, https://vextor7.com/item/19397458 (accessed 2026-10-22).