500GB WD_BLACK C50 Storage Expansion Card $100 at Amazon $100 $200 Amazon has the 500GB WD_BLACK C50 Storage Expansion Card (WDBMPH5120ANC-WCSN) for $100 with free shipping. Has 1 MB/s data transfer rate. Also available in 1TB for $150 and in 2TB for $250. $100 retail: $200 Posted by DrBatman03/30/2026 at 04:14 PM PT