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HP 4M9Y5AA 16GB DDR5-4800MHz SODIMM 1Rx8 CL40 Memory
- Capacity: 16GB
- Type: DDR5 SODIMM
- Speed: 4800MHz (PC5-38400)
- Configuration: 1Rx8 (Single Rank, 8 bits)
- Latency: CL40
- Voltage: 1.1V
- For laptops and small form factor PCs
- Non-ECC (Error-Correcting Code)
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Product Overview
The HP 4M9Y5AA is a 16GB DDR5-4800MHz SODIMM memory module. Designed for laptops and other small form factor devices, this RAM module features a 1Rx8 configuration and CL40 latency. It operates at a speed of 4800MHz, providing enhanced performance for memory-intensive applications and multitasking.
Technical Information
| Brand | HP |
| Part Number | 4M9Y5AA |
| Capacity | 16GB |
| Memory Type | DDR5 |
| Form Factor | SODIMM |
Additional Specifications
| Speed | 4800MHz |
| Rank | 1Rx8 |
| CAS Latency | CL40 |
| Voltage | 1.1V |
Product Description
The HP 4M9Y5AA is a high-performance 16GB DDR5 SODIMM memory module, engineered to deliver significant improvements in speed and efficiency for modern computing devices. Operating at a rapid 4800MHz frequency, this module is capable of transferring data at a rate of PC5-38400, making it ideal for demanding applications, gaming, and intensive multitasking scenarios. The DDR5 technology represents a generational leap in memory performance, offering higher bandwidth and lower power consumption compared to previous DDR generations. This specific module is configured as 1Rx8, indicating a single rank with 8 memory chips per rank, which influences its performance characteristics and compatibility with certain motherboards. With a CAS Latency (CL) of 40, it specifies the number of clock cycles required for the memory controller to access a specific column in a row. The module operates at a standard voltage of 1.1V, consistent with DDR5 specifications, contributing to its power efficiency. Designed in the SODIMM (Small Outline Dual In-line Memory Module) form factor, the 4M9Y5AA is intended for use in laptops, compact desktops, and other small form factor PCs where space is a constraint. As a non-ECC (Non-Error-Correcting Code) module, it is suitable for consumer-grade devices and general computing tasks where the highest level of data integrity checking is not a primary requirement. Upgrading to this 16GB DDR5 module can significantly boost system responsiveness, application load times, and overall computing experience.


