Innocard
Innocard PCIe Gen4 Gender Changer with ReDriver to Mini SAS HD 1x2 4X dual port AIC
Converts a PCIe x16 Gen4 slot into two Mini SAS HD 4X ports with a built-in ReDriver for 16 GT/s signal extension
- Changer TypePCIe Gen4
- PCIe 4.0 16-lane bandwidth extends reach with built-in ReDriver
- Dual SFF-8673 4X ports split x16 into four x4 links
- 30 µin gold plating on SFF-8673 mating area resists corrosion
- +12 V to 3.3 V PWM controller delivers 5.5 A with TVS protection
- 100 MHz clock buffer and SMBus switch enable long-cable management
PCIe Gen4 Gender Changer with ReDriver
The Innocard adapter converts a PCIe x16 Gen4 slot into two internal Mini SAS HD SFF-8673 4X ports. It targets system integrators who need to connect SAS storage or expansion enclosures directly to a CPU or chipset lane allocation without an intermediate HBA card.
Check slot bifurcation and power delivery
Verify that the host platform supports PCIe 4.0 x16 bifurcation into four x4 links so both SFF-8673 ports operate at full width. Confirm the slot supplies +12 V and +3.3 V with 3.3 V AUX; the on-board PWM controller draws up to 5.5 A from the 12 V rail to generate local 3.3 V power for the ReDriver and management logic.
Thermals noise and power in normal use
The card is a passive add-in design with no fan; thermal load comes from the ReDriver, clock buffer, SMBus switch and I/O expander powered by the on-board 12 V to 3.3 V converter. Power draw scales with link activity across the 16 lanes at 16 GT/s. Acoustic output is limited to airflow noise from the chassis fans passing over the PCB.
Highlights
- PCIe 4.0 16-lane bandwidth extends reach with built-in ReDriver
- Dual SFF-8673 4X ports split x16 into four x4 links
- 30 µin gold plating on SFF-8673 mating area resists corrosion
- +12 V to 3.3 V PWM controller delivers 5.5 A with TVS protection
- 100 MHz clock buffer and SMBus switch enable long-cable management
Specifications
| Changer Type | PCIe Gen4 |
|---|
Questions about this item
Does the card include the Mini SAS HD cables or do I need to buy them separately?
The adapter provides two SFF-8673 4X ports with gold-plated mating areas; cables are not included and must be purchased separately.
How do the two SFF-8673 ports relate to the x16 PCIe 4.0 input?
The 16 PCIe 4.0 lanes can be bifurcated into four x4 links, and the on-board ReDriver extends each differential pair to the dual SFF-8673 ports.
What does the built-in ReDriver do for cable reach at 16 GT/s?
The ReDriver provides programmable linear equalisation, output swing and flat gain to extend 16 GT/s PCIe 4.0 signals over longer Mini SAS HD cables.
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