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Green PCB adapter with two PCIe x4 slots, one SFF-8654 4i and one SFF-8639 connector

Innocard

Innocard GD0804A PCIe Gen4 SFF-8654 4i to PCIe x4 Slot and SFF-8639 to PCIe x4 Slot Adapter

SKU CH-ZVJH-7E6J1

Converts SlimSAS 4i and U.2 connectors to dual PCIe x4 slots with Gen 4 16GT/s speed and integrated 12V hot-plug power protection

  • Changer TypePCIe Gen4
  • PCIe Gen 4 16GT/s throughput for high-speed storage links
  • Dual conversion: SlimSAS 4i SFF-8654 and U.2 SFF-8639 to PCIe x4 slots
  • Built-in +12 V hot-plug power with 6.5 A eFuse protection
  • SMBus hot-swap buffer and 3.3 V buck converter with over-current safeguards
  • Designed and made in Taiwan to SFF-9402 Rev 1.1 pin-out standards

PCIe Gen4 SFF-8654 4i Adapter

This Innocard GD0804A adapter converts a SlimSAS 4i (SFF-8654) interface and a U.2 (SFF-8639) interface into two PCIe x4 slots. It operates at PCIe Gen 4 16GT/s speeds and includes hot-plug power with eFuse protection on the 12V rail. The board is designed and made in Taiwan.

Builders needing dual PCIe x4 slots

It suits integrators connecting Broadcom 95xx series Tri-Mode RAID controllers or HBAs via SlimSAS 4i cabling. Buyers requiring a different connector count or a form factor without integrated power management should look at other options.

6.5A programmable current limit on 12V rail

The on-board eFuse sets a programmable current limit of 6.5A for the PCIe +12V supply, with configurable inrush slew rate and thermal shutdown. This protection threshold determines whether a connected add-in card can operate safely.

Highlights

  • PCIe Gen 4 16GT/s throughput for high-speed storage links
  • Dual conversion: SlimSAS 4i SFF-8654 and U.2 SFF-8639 to PCIe x4 slots
  • Built-in +12 V hot-plug power with 6.5 A eFuse protection
  • SMBus hot-swap buffer and 3.3 V buck converter with over-current safeguards
  • Designed and made in Taiwan to SFF-9402 Rev 1.1 pin-out standards

Specifications

Changer TypePCIe Gen4

Questions about this item

What is the maximum programmable current limit for the +12 V hot-plug power?

The on-board eFuse allows a programmable current limit of 6.5 A for the PCIe +12 V rail.

How does the adapter manage heat during continuous operation?

Thermal shutdown protection and fault alert circuits monitor temperature and cut power if overheating occurs.

Which host adapters are required for the SlimSAS 4i connector to function?

Broadcom 95xx PCIe 4.0 MegaRAID or HBA Tri-Mode storage adapters provide the needed BP_TYPE and CPRSNT signalling.

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