The Dell DH689 is an optical drive power cable backplane assembly designed for Dell PowerEdge 2950 rack servers. This component manages power distribution to internal optical drives and connects to the system's power delivery infrastructure, supporting standard SATA and power connector configurations. The DH689 is compatible with first and second generation PowerEdge 2950 systems and integrates with Dell's modular drive bay architecture.This backplane is commonly used in 2U two-socket server configurations where CD/DVD optical drives are installed alongside primary storage devices. It provides reliable power management for legacy optical media access in data center environments running legacy applications or requiring physical media support. The component is essential for maintaining full optical drive functionality in refurbished or repurposed PowerEdge 2950 infrastructure.Tested and guaranteed; available via quote from G5 Network Group.