Verify if 2U 8x2.5inch SAS/NVMe Hot Swap Backplane F2U8X25S3PHS is compatible with Intel® Server System R2308WFTZS/R2308WFTZSR.
Confirmation if the Intel® Server System R2308WFTZSR comes with the same back plane that comes with the Intel® Server System R2308WFTZS
The 2U 8x2.5inch SAS/NVMe Hot Swap Backplane F2U8X25S3PHS is compatible with Intel® Server System R2308WFTZS and the Intel® Server System R2308WFTZSR and it does support NVMe drive.
You can find information in the Intel® Server System R2000WF Product Family - (2U) Rack Mount System), Table 29, Intel® Server System R2208WFTZS product specifications, and configuration requirements and Table 30 sections. You can find Intel® Server System R2208WFTZSR product specifications and configuration requirements in the Configuration Guide in the Configuration Guide for the Intel® Server Board S2600WF, Intel® Server System R1000WF/R2000WF and Intel® Server System R2000WFTF Product Families page.