90Y3156 IBM 16GB PC3-12800 DDR3-1600MHz

90Y3156 Overview

The IBM 90Y3156 is a 16 GB DDR3‑1600 (PC3‑12800) ECC Registered (RDIMM) memory module in a very low profile, 240‑pin design. It operates at 1600 MHz (DDR3‑1600) with CAS latency CL11, 1.5 V, and uses a dual-rank ×4 architecture (2Rx4) for high capacity in a compact footprint. As an RDIMM with ECC support, it’s designed for server and workstation reliability, offering data integrity and compatibility with IBM/Lenovo systems like the HS23 blade servers and other DDR3 platforms