This is an SK Hynix 32GB DDR4 Server RAM module (Model: HMA84GR7JLR4N-VK).
It operates at a speed of 2666 MHz (PC4-21300) and is designed for servers.
The module features ECC Registered (RDIMM) technology for data integrity.
It is a dual-rank module (2Rx4) with 1.2V