ThinkSystem DE4200H HICless 4

https://blast-wiki.win/index.php/Setting_Up_a_Lenovo_ThinkSystem_DE4200H_HICless_JBOD:_What_You_Need_to_Know

The ThinkSystem DE4200H HICless is a dense, 2U storage enclosure with 24 hot-swap drive bays and no host interface cards. It's built for high-capacity storage in data centers, connecting directly to servers via SAS cables without extra controller hardware, making it a straightforward expansion choice for scaling cold or nearline storage.