Innocard
Innocard PCIe x8 Gen 5 ReDriver MCIO 74P AIC + MCIO 74P to U.2 x2 Y Cable gender changer
PCIe 5.0 x8 ReDriver card with MCIO 74P connector plus Y-cable splitting to two U.2 ports, extending 32 GT/s signals up to 22 dB at 16 GHz with clock buffer and SMBus management
- Changer TypePCIe Gen5
- PCIe 5.0 signal integrity up to 32 GT/s with integrated ReDriver
- MCIO 74P to dual U.2 connectivity via included Y-cable
- 22 dB CTLE boost at 16 GHz extends reach for longer cables
- 30 µin gold plating on MCIO contacts ensures reliable mating
- Bifurcated x8 into two x4 links for flexible topology support
PCIe x8 Gen 5 ReDriver AIC
The Innocard EP8174 adapter converts a PCIe x8 Gen 5 slot to an MCIO 74P connector. Built-in ReDriver extends 32 GT/s signals across eight lanes with programmable equalisation and up to 22 dB CTLE boost at 16 GHz. Bifurcation splits the link into two x4 widths for flexible topology support.
MCIO 74P to U.2 Y cable included
The bundled Y cable connects the MCIO 74P port to two U.2 (SFF-8639) drive bays. Gold-plated contacts at 0.38 µm ensure reliable mating cycles. Integrated clock buffer, SMBus switch and I/O expander enable out-of-band management and remote reset control for attached storage devices.
Taiwanese-built add-in card
Designed and made in Taiwan, the card draws 3.3 V from the PCIe CEM slot with load-switch protection for the ReDriver controller and bus buffer ICs. PERST# and WAKE# bus buffers extend trace reach for longer cable runs. Suited for builders extending Gen 5 links to dual U.2 backplanes; not for single-drive direct-attach or x16 slot requirements.
Highlights
- PCIe 5.0 signal integrity up to 32 GT/s with integrated ReDriver
- MCIO 74P to dual U.2 connectivity via included Y-cable
- 22 dB CTLE boost at 16 GHz extends reach for longer cables
- 30 µin gold plating on MCIO contacts ensures reliable mating
- Bifurcated x8 into two x4 links for flexible topology support
Specifications
| Changer Type | PCIe Gen5 |
|---|
Questions about this item
Will the gold-plated MCIO 74P connector need periodic re-seating or replacement?
The MCIO 74P connector uses 30 µin (0.38 µm) minimum gold plating on the mating area, a thickness chosen for durable repeated insertions without scheduled re-seating or replacement.
What signal-quality limit appears first when running PCIe 5.0 at 32 GT/s across eight lanes continuously?
The on-board ReDriver provides up to 22 dB of CTLE boost at 16 GHz to compensate for insertion loss, so the practical limit is the channel budget the equaliser can recover rather than the ReDriver itself.
How much extra heat does the ReDriver and clock-buffer circuitry add when the card operates all day?
The ReDriver controller, 100 MHz clock buffer, SMBus switch and expander are all powered from the slot's 3.3 V supply with integrated load-switch protection, keeping added dissipation low and within standard add-in-card thermal limits.
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