IBM 3650 M2 RDX-DDS Internal Enablement Kit This new IBM enablement kit allows for internal installation of RDX or DDS drive products in the IBM System x3650 M2 systems. Key messages: - This kit allows customers to replace existing hot-swap HDDs with either a USB RDX or a USB and/or SATA DDS drive option. - The RDX and DDS drive options must be purchased separately. - Service and support: One year parts only.