Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
HP 4M9Y0AA 16GB DDR5-4800/PC5-38400 DIMM Memory Module - 1 x 16GB - CL40 - Single-rank - Unbuffered - Non-ECC - 1.10V
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Product Overview
The HP 4M9Y0AA 16GB DDR5 SDRAM memory module delivers high-performance memory for modern desktop and workstation systems. This single 16GB module operates at 4800 MHz with DDR5 technology, providing substantial bandwidth for demanding applications and multitasking workflows.
Designed as a DIMM with 288 pins, this unbuffered, non-ECC module supports standard desktop platforms requiring single-rank memory. With a CAS latency of CL40 and a low 1.10V operating voltage, it balances speed with power efficiency for reliable system upgrades.
Relevant factors for this section include Memory Size, Memory Technology, Memory Voltage, Number of Pins. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Technical Overview
This memory module uses DDR5 SDRAM technology, which doubles the data transfer rates compared to previous DDR4 generations. The 4800 MHz speed translates to a PC5-38400 data rate, enabling faster access to system memory for CPU-intensive tasks.
The single-rank design simplifies memory controller management, while the unbuffered signal processing ensures direct communication with the memory controller for reduced latency. The 1.10V operating voltage contributes to lower power consumption and thermal output compared to higher-voltage memory solutions.
Relevant factors for this section include Memory Size, Memory Technology, Memory Voltage, Number of Pins. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This HP memory module provides a straightforward upgrade path for systems requiring additional DDR5 memory capacity. The 16GB size offers substantial headroom for modern operating systems and applications, while the 4800 MHz speed ensures responsive performance across computing tasks.
High-Speed DDR5 Performance
With 4800 MHz operation and DDR5 architecture, this module delivers increased bandwidth over previous DDR4 modules, improving system responsiveness during data-intensive operations.
- 4800 MHz memory speed
- DDR5 SDRAM technology
- PC5-38400 data rate
Standard Desktop Compatibility
The DIMM form factor with 288 pins and unbuffered, non-ECC design makes this module compatible with a wide range of consumer and business desktop systems supporting DDR5 memory.
- 288-pin DIMM
- Unbuffered design
- Non-ECC error checking
Efficient Power Profile
Operating at just 1.10V, this memory module consumes less power than higher-voltage alternatives, contributing to overall system power efficiency and thermal management.
- 1.10V operating voltage
- Reduced power consumption
- Lower thermal output
Deployment / Use Cases
This 16GB DDR5 module serves as an ideal memory upgrade for desktop systems requiring additional capacity for modern computing workloads. The single-module configuration simplifies installation while providing substantial memory resources.
Common deployment scenarios include office productivity systems needing memory for multiple applications, creative workstations handling large files, and gaming systems benefiting from faster memory access. The module also works well in small business servers or workstations where reliable memory expansion is required without ECC functionality.
Desktop System Upgrades
Add this 16GB module to existing systems to increase total memory capacity, improving multitasking performance and application responsiveness.
- Memory capacity expansion
- System performance enhancement
- Multitasking improvement
New System Builds
Incorporate this module into new desktop builds requiring DDR5 memory, providing a solid foundation for system memory configuration.
- DDR5 platform support
- Single-module configuration
- Standard desktop compatibility
Physical Profile
This memory module features a standard DIMM form factor measuring 5.25 inches (133.35 mm) in width. The compact design fits standard desktop memory slots, while the lightweight construction at approximately 0.44 ounces (12.43 grams) ensures minimal physical impact on system components.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 5.25" (133.35 mm), 0.44 oz (12.43 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 5.25" (133.35 mm)
- Weight
- 0.44 oz (12.43 g)
Highlights
- 16GB DDR5 SDRAM memory capacity
- 4800 MHz operating speed with PC5-38400 data rate
- Single 16GB module configuration
- DIMM form factor with 288 pins
- Unbuffered, non-ECC design for standard desktop systems
- CAS latency of CL40 for balanced performance
- 1.10V operating voltage for power efficiency
- Single-rank memory architecture
- Standard 5.25-inch width for compatibility
- HP-branded quality with 1-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | HP Inc. |
| Manufacturer Part Number | 4M9Y0AA |
| Brand Name | HP |
| Product Name | 16GB DDR5 SDRAM Memory Module |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 16 GB |
| Memory Technology | DDR5 SDRAM |
| Memory Voltage | 1.10 V |
| Number of Modules | 1 x 16GB |
| Memory Speed | 4800 MHz |
| Memory Standard | DDR5-4800/PC5-38400 |
| Memory Rank | Single-rank |
| Error Checking | Non-ECC |
| Signal Processing | Unbuffered |
| CAS Latency | CL40 |
| Physical Characteristics | |
| Number of Pins | 288-pin |
| Form Factor | DIMM |
| Width | 5.25" (133.35 mm) |
| Weight (Approximate) | 0.44 oz (12.43 g) |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What is the memory capacity of this HP module?
This HP memory module provides 16GB of DDR5 SDRAM capacity in a single-module configuration. The 16GB size offers substantial memory resources for modern desktop systems, supporting multitasking, application performance, and system responsiveness across various computing workloads.
What DDR generation does this memory module use?
This module uses DDR5 SDRAM technology, which represents the fifth generation of double data rate synchronous dynamic random-access memory. DDR5 provides increased bandwidth and improved power efficiency compared to previous DDR4 memory, with this specific module operating at 4800 MHz for high-performance data transfer.
What is the operating speed of this memory module?
The HP 4M9Y0AA memory module operates at 4800 MHz, which corresponds to a PC5-38400 data rate. This speed represents the frequency at which the memory transfers data, providing substantial bandwidth for CPU access and system performance in compatible DDR5 platforms.
What form factor does this memory module have?
This memory module uses the DIMM (Dual In-line Memory Module) form factor with 288 pins. The DIMM design is standard for desktop memory modules, with the 288-pin configuration specifically supporting DDR5 technology in compatible motherboard memory slots.
Does this memory module support ECC error correction?
No, this is a non-ECC (Error-Correcting Code) memory module. It uses standard unbuffered signal processing without error correction capabilities, making it suitable for consumer and business desktop systems that do not require ECC functionality for their computing tasks.
What is the CAS latency of this DDR5 memory?
This HP DDR5 memory module has a CAS latency of CL40. CAS latency represents the number of clock cycles between a read command and data availability, with CL40 providing a balanced latency profile for the 4800 MHz operating speed in DDR5 memory configurations.
| Qty | Price | Available |
|---|
