The HP 724182R-B21 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: HP Part Number: 724182R-B21 Details: HP 724182R-B21 Bl420C Gen8 Xeon Processor 2 E5-2450V2 2.50Ghz 20M 8 Cores 95