Strivon PX-9491 XT Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Strivon · SKU PX9491-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index	5,181 (PCIe Cards & NVMe Enclosures scale)
Category rank	#36,829
Street price	$319
Power	12 W
Performance per dollar	16.24
Released	2024

Brand	Strivon
Model	Strivon PX-9491 XT
Type	Quad M.2 PCIe 5.0 x16 Card
Host interface	PCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput	4× ~14,000 MB/s
Drive support	M.2 NVMe 2230 / 2242 / 2260 / 2280
Cooling	Heatsink + 40 mm fan
Bus power	Slot-powered
Compatibility	UEFI boot supported; check slot bifurcation

Model	Benchmark	Price	Compare
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Strivon PX-6998 XT Thunderbolt 5 NVMe Enclosure	4,035	$199	Compare
Tessarix PX-8398 XT Quad M.2 PCIe 4.0 x16 Card	3,711	$169	Compare
Veltrix PX-1693 XT USB 3.2 Gen 2x2 NVMe Enclosure	2,694	$109	Compare
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Cite this page: Hardware Spec Index, “Strivon PX-9491 XT Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/8250893 (accessed 2026-10-19).