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Main image of JMT MCIO 8i Interface Extension Adapter Split Card PCIe-Bifurcation x16 to x16 x8x8 x4x4x4x4 for GPU (MCIO to PCIe 16x Backplane)

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JMT MCIO 8i Interface Extension Adapter Split Card PCIe-Bifurcation x16 to x16 x8x8 x4x4x4x4 for GPU (MCIO to PCIe 16x Backplane)

Item #: 9SIVU6VM1H5581
Mfr. Part #: TOLDB0H415MMV9
UNSPSC: 43201404

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Cabling Specification: A-B crossover cable. Host Bus: PCle x16. Host Speed: Gen 5.0 and backward compatible.
High-quality chip for intelligent splitting: 8X/ 16X. Power Interface: PCle power / 6-pin DC 12V.
Port Speed: Gen 5.0 and backward compatible. Mode support: X16 / X8+X8 / X4+X4+X4+X4. Power: PCIe / 6PIN DC 12V.
Max devices: 4. Adapter Card size: 150×120mm. Backplane size: 145×38mm.
Supported Devices: Graphics card, network card, U.2 SSD. Downstream Port: MClO-8i *2. Port Speed: Gen 5.0 and backward compatible.

Overview

Specs

Reviews

Cabling Specification: A-B crossover cable. Host Bus: PCle x16. Host Speed: Gen 5.0 and backward compatible.
High-quality chip for intelligent splitting: 8X/ 16X. Power Interface: PCle power / 6-pin DC 12V.
Port Speed: Gen 5.0 and backward compatible. Mode support: X16 / X8+X8 / X4+X4+X4+X4. Power: PCIe / 6PIN DC 12V.
Max devices: 4. Adapter Card size: 150×120mm. Backplane size: 145×38mm.
Supported Devices: Graphics card, network card, U.2 SSD. Downstream Port: MClO-8i *2. Port Speed: Gen 5.0 and backward compatible.

Additional Information
First Listed on Newegg	July 16, 2026

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Item#: 9SIVU6VM1H5581