SMUGDESK
SMUGDESK SFF8654 8i to Dual SFF8639 NVMe U.2 SAS Cable 80cm
Converts a single SFF8654 8i SlimSAS port into dual SFF8639 U.2 connectors for NVMe, SAS and SATA SSD expansion with an 80cm slim cable that improves internal airflow
- Converts single SFF8654 8i SlimSAS port to dual SFF8639 U.2 ports for dual NVMe SSD expansion
- Supports highspeed data transfer for enterprisegrade U.2 NVMe, SAS and SATA solidstate drives
- 80cm practical length enables tidy internal routing in compact rackmount servers and workstations
- Slimprofile design optimizes airflow and spacesaving installation inside PC and server chassis
- Plugandplay connection compatible with RAID controllers, storage arrays and highperformance computing systems
Cable Purpose
This SMUGDESK cable converts a single SFF8654 8i SlimSAS port into two SFF8639 U.2 connectors for dual NVMe SSD expansion. It supports SAS and SATA solid-state drives alongside NVMe devices. The 80cm length suits compact rackmount servers and workstations needing multi-drive storage upgrades.
Thermals and Power
The slim-profile design optimises airflow inside chassis to help maintain lower operating temperatures. As a passive data cable it draws no power itself and adds no active cooling noise. Efficient internal routing reduces cable clutter that can restrict cooling paths for adjacent components.
Sustained Operation
The cable delivers reliable data transmission for continuous enterprise workloads such as RAID arrays and high-performance computing tasks. Its construction supports consistent throughput during extended multi-drive operations without signal degradation. Plug-and-play compatibility ensures stable connectivity with storage controllers during prolonged use.
Highlights
- Converts single SFF8654 8i SlimSAS port to dual SFF8639 U.2 ports for dual NVMe SSD expansion
- Supports highspeed data transfer for enterprisegrade U.2 NVMe, SAS and SATA solidstate drives
- 80cm practical length enables tidy internal routing in compact rackmount servers and workstations
- Slimprofile design optimizes airflow and spacesaving installation inside PC and server chassis
- Plugandplay connection compatible with RAID controllers, storage arrays and highperformance computing systems
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the SFF8654 8i to dual SFF8639 cable inside a compact server chassis?
Plug the SFF8654 8i connector into the SlimSAS port on the RAID controller or backplane, then attach each SFF8639 end to a U.2 NVMe SSD; the 80cm slim cable routes easily around tight bends without blocking airflow.
What maintenance or replacement will the cable need over time?
The passive cable has no moving parts or firmware; inspect connectors for dust or bent pins during drive swaps and replace only if physical damage or intermittent link errors appear.
What limit appears first when both NVMe drives run sustained heavy I/O?
The combined throughput is capped by the single SFF8654 8i host link, so both drives share that bandwidth ceiling under continuous load.
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