The CRAS series has a tall anodized aluminium heatsink with aluminium protrusions plus a brushed aluminium strip that features either red or white LED lighting. Definitely nice looking modules!
KLEVV CRAS comes in module densities of 4 GB and 8 GB, in variants of DDR4-2133 (15-15-15 @1.2V), DDR4-2666 (XMP 2.0, 15-15-15 @1.2V); DDR4-2800 (XMP 2.0, 16-16-16 @1.2V), and DDR4-3000 (XMP 2.0, 16-18-18 @1.35V). It will be initially sold in quad-channel kits of 16 GB (4 x 4 GB), and 32 GB (4 x 8 GB); dual-channel kits of 8 GB (2 x 4 GB) and 16 GB (2 x 8 GB) will soon follow.
Source: TPU