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Lenovo GX21G06623 135W AC Power Adapter
Overview
The Lenovo GX21G06623 is a 135W AC adapter engineered for Lenovo systems requiring higher sustained power delivery — typically workstation-class laptops and mobile workstations that draw more than the 65W or 90W adapters can sustain under load. At 135W output, this unit covers demanding CPU and discrete GPU workloads without throttling the system or triggering low-power warnings. If your deployment involves field engineers or mobile workers running compute-intensive applications — CAD, video processing, or surveillance client software — this is the wattage tier to specify. The GX21G06623 carries UL-SDC (Universal Link Smart Digital Connector) compliance, confirming it meets the relevant safety and interoperability standards for Lenovo's SDC connector ecosystem.
Compatibility
This adapter is designed for Lenovo laptops and mobile workstations that use the UL-SDC interface and require 135W input. Verify your system's required wattage and connector type against Lenovo's official compatibility documentation before ordering — not all Lenovo SDC-equipped systems accept 135W, and using a higher-rated adapter than specified is generally safe, but using a lower-rated one under sustained load is not. If your system shipped with a 135W adapter, the GX21G06623 is the correct like-for-like replacement.
Installation Notes
No tools required. Connect the SDC plug to the system's power port and route the cord to minimize tripping hazard in fixed-workstation deployments. For deployments across multiple users or sites, label adapters with the assigned system's asset tag — the 135W and lower-wattage Lenovo SDC adapters are physically similar and are frequently swapped by mistake, which degrades performance on systems that need the full 135W.
Lenovo PWR Adp_bo 135W AC Adapter(ul-sdc) - GX21G06623
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