49Y3777 Overview

49Y3777 . Is a DDR3 Module. DDR3 Modules run from 1066 to 1600 MT/s (million transfers per second). This is a 4GB module. Contains a PC-10600 Memory Bus Type. Uses ECC (Error Correcting Code), ideal when system failure must be avoided at all costs. Is also registered which makes it stable enough for server conditions. Has a data transfer rate of 1333 Mhz. 

90Y3147 Overview

The IBM 4GB DDR3 Registered ECC PC3-12800 server memory module is engineered for dependable performance in enterprise-class systems. With a capacity of 4GB, it operates at a data transfer rate of 1600MHz, providing a balance between speed and efficiency for multi-tasking workloads. The PC3-12800 bus type ensures compatibility with systems requiring DDR3-1600 modules, while the Registered ECC (Error-Correcting Code) design adds an extra layer of reliability by detecting and correcting memory errors before they impact system performance. Featuring a single-rank x4 configuration (1Rx4), this module optimizes bandwidth utilization and system stability, particularly in environments where uptime is critical.

Designed to meet the rigorous demands of server applications, it is ideal for data centers, virtualization, and high-availability computing environments that require both speed and rock-solid reliability.

90Y3148 Overview

IBM 4GB DDR3 Registered ECC PC3-12800 server memory module is engineered for stable and efficient performance in enterprise-grade systems. Operating at a 1600MHz data transfer rate, it ensures quick and responsive handling of data-intensive applications. The module features ECC (Error-Correcting Code) technology, which detects and corrects memory errors to maintain data integrity and reduce system downtime. With a dual-rank (2Rx8) architecture, it provides improved memory bandwidth and reliability, making it suitable for multitasking and high-load server environments. Built to the PC3-12800 standard, this memory offers compatibility with a wide range of DDR3-based servers, delivering dependable operation for mission-critical workloads.