Western Digital Corporation 40GB Memory IC and Storage Component WD400BB

40GB HDD 3.5" ATA100 2M Cache Product overview: WD400BB from Western Digital is a Memory IC and Storage Component for data storage, firmware boot, embedded logging, industrial controllers, computing modules, and replacement sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 40GB. Search-friendly keywords include memory IC, Flash, SRAM, DRAM, storage module, 40GB, Memory IC and Storage Component, SSDs, HDDs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 503-WD400BB can be used for catalog matching and distributor lookup.