RIITOP
RIITOP OCuLink SFF-8611 4i Male to Male Cable 50cm 64Gbps PCIe 4.0
Connects PCIe 4.0 devices at 64 Gbps using SFF-8611 4i male connectors on a 50 cm cable
- Transfers PCIe 4.0 signals at 64 Gbps
- 50 cm length fits tight chassis builds
- SFF-8611 4i male-to-male connectors link backplane to controller
- OCuLink protocol extends PCIe devices externally
- SAS compatibility for storage and GPU use
External PCIe 4.0 cable
This OCuLink cable carries PCIe 4.0 signals between two SFF-8611 4i male connectors. It targets builders who need an external link for a graphics card or SSD enclosure. The 50 cm length suits tight chassis routing or short desktop runs.
64 Gbps bandwidth headroom
The link delivers up to 64 Gbps, enough for current PCIe 4.0 x4 storage and mid-range GPU workloads. Bandwidth saturates with high-end GPUs that exceed x4 throughput or with RAID arrays that push sustained transfers beyond the single-lane limit.
OCuLink SFF-8611 practical limits
The SFF-8611 interface defines the mechanical and electrical envelope for four PCIe lanes. Cable loss and connector insertion loss grow with length, so runs beyond the supplied 50 cm may require active retimers. The standard does not supply auxiliary power, so the host must provide all device power through the slot.
Highlights
- Transfers PCIe 4.0 signals at 64 Gbps
- 50 cm length fits tight chassis builds
- SFF-8611 4i male-to-male connectors link backplane to controller
- OCuLink protocol extends PCIe devices externally
- SAS compatibility for storage and GPU use
Specifications
No published specifications for this item yet.
Questions about this item
Will the 50 cm SFF-8611 4i cable reach from my existing PCIe 4.0 backplane to the controller without signal loss?
The 50 cm length is designed for internal chassis routing and carries PCIe 4.0 at up to 64 Gbps, so it will reach typical backplane-to-controller distances cleanly.
How can I verify the link is running at PCIe 4.0 speeds after I connect the SFF-8611 4i cable?
Open your OS device manager or BIOS and confirm the link reports PCIe 4.0 x4; that indicates the full 64 Gbps path is active.
Does the package include anything besides the single 50 cm SFF-8611 4i male-to-male cable?
The box contains only the one 50 cm OCuLink cable; no brackets, adapters or screws are supplied.
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