7X77A01301: Lenovo ThinkSystem 8GB TruDDR4 2666 MHz (1Rx8 1.2V) RDIMM

In the SR630 and SR650 guide, option 7X77A01301 (feature code AUU1) is a 8GB RDIMM module rated at 2666 MHz.

Lenovo Press lists it as an option in the ThinkSystem SR630 and SR650 product guides with feature code AUU1.

7X77A01301 specifications: Type DDR4 RDIMM; capacity 8GB; speed 2666 MHz; ranks 1Rx8; voltage 1.2V; lenovo feature code AUU1; part of the Lenovo ThinkSystem SR630/SR650 product line.