Hardware Spec Index

Altrix PX-6687 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX6687-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index5,228 (PCIe Cards & NVMe Enclosures scale)
Category rank#47,120
Street price$389
Power6 W
Performance per dollar13.44
Released2019

Specifications

BrandAltrix
ModelAltrix PX-6687 Ultra
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
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
Strivon PX-3771 Core PCIe 5.0 x16 Riser Cable3,622$189Compare
Tessarix PX-3158 XT M.2 NVMe to PCIe 4.0 x4 Adapter1,039$29Compare
Tessarix PX-5146 XT M.2 NVMe to PCIe 4.0 x4 Adapter1,203$29Compare
Veltrix PX-9548 Ultra USB4 40Gbps NVMe Enclosure3,271$139Compare
Altrix PX-3434 XT USB4 40Gbps NVMe Enclosure3,657$179Compare
Strivon PX-6769 Ti USB 3.2 Gen 2 NVMe Enclosure3,020$139Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-6687 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/9424980 (accessed 2026-10-24).