Part No: 90Y3153 - IBM 4GB(1X4GB)1600MHz PC3-12800 240-Pin CL11 1.5V DDR3 SDRAM ECC Single Rank X4 Registered RDIMM IBM Memory FORB

Capacity: 4GB (1 x 4GB module)
Memory Type: DDR3 SDRAM
Speed: 1600 MHz (PC3-12800) – Offers high-speed memory access to support modern applications and workloads.
Form Factor: 240-pin RDIMM (Registered DIMM)
CAS Latency: CL11 (11 clock cycles to access data)
Voltage: 1.5V – Standard voltage for DDR3 memory, providing reliable power usage for enterprise systems.
Rank: Single Rank X4 – Single rank configuration enables better memory access and reduces latency in some configurations. The X4 indicates the memory chip is organized with 4 bits per rank.