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Browse All Products →40 cm shielded M.2 Key-M to OCuLink SFF-8611 4i male cable for compatible PCIe 4.0 x4 systems and devices with an SFF-8612 4i port.
| Brand | LetLinkSo |
| Product Type | High-Speed Cable |
| Connector A | M.2 Key-M, 2280 |
| Connector B | OCuLink SFF-8611 4i male |
| Connector Gender | Male to Male |
| PCIe Generation / Protocol | PCIe 4.0 x4 |
| Data Rate | Up to 64 Gbps theoretical |
| Lanes / Ports | x4, 4i |
| Cable Length | 40 cm cable; approximately 45 cm overall |
| Cable Construction | Shielding layer with nylon braided sleeve; locking OCuLink latch |
| Compatibility | Compatible M.2 Key-M PCIe slots and devices with an SFF-8612 4i port; no model-level compatibility testing completed |
| Installation Notice | Not hot-swappable; power off the system before connecting or disconnecting |
The LetLinkSo LLS-CB-1MT1OC-03 connects a compatible M.2 Key-M PCIe slot to a device equipped with an SFF-8612 4i port through its OCuLink SFF-8611 4i male connector.
The 40 cm cable supports PCIe 4.0 x4 with up to 64 Gbps theoretical bandwidth. Actual link speed, device detection, and performance depend on the host, M.2 slot, BIOS settings, and connected device.
It has a shielding layer, nylon braided sleeve, and locking OCuLink latch. Power off the system before connecting or disconnecting: the cable is not hot-swappable. eGPU dock, graphics card, storage device, power supply, and other accessories are not included.
We offer customized cable lengths, connector configurations, and volume pricing for enterprise customers.