32GB single stick RAM for Blades. Same manufacturer and clock speed (3200mhz) as the stock RB RAM. Only this RAM doesn't require XMP to achieve 3200 mhz. CL22. 2x for 64GB. :
Samsung Ready with 32GB DDR4 UDIMMs for Desktops, Paving the Way for 16GB Single-Rank | TechPowerUp
32GB OWC PC4-21300 2666MHz DDR4 SO-DIMM Single Memory Module
Crucial 32GB CT32G4RFD4266 (1x32GB) DDR4 RDIMM 2666MHz ECC Registered CL19 Single Stick Server Desktop PC Memory RAM | Storm Computers Cannington
Samsung's new mobile memory chip combines 3GB of RAM, 32GB of flash into a single package | TechSpot
Is this RAM kit single rank or dual rank dimms? (Ballistix 32GB 2x16 3600mhz) : r/overclocking