R SLOT fits MERCEDES B200 W246 1.6L Turbo

b200 slot The Cisco UCS B200 M5 includes support for the following: 2nd Generation Intel® Xeon® Scalable Processors. 2933-MHz DDR4 memory DIMMs. 128 GB, 256 GB, 512 GB Intel®. 24 DIMM slots for industry-standard DDR4 memory at speeds up to 2933 MHz, with up to 3 TB of total memory when using 128-GB DIMMs. Up to 12 DIMM slots ready

b200 slot, The UCS B200 M4 is a density-optimized, half-width blade server that supports two CPU sockets for Intel E5-2600 v4 and v3 series CPUs and up to 24 DDR4.