HP
HP 647895-S21 4GB DDR3 1600 RAM
★★★★★
4 GB Memory
Upgrade Your Server PerformanceThe HP 4 GB DDR3 1600 (PC3 12800) RAM is designed to enhance the performance and reliability of your server. This ECC registered memory module provides stable and efficient operation, ensuring smooth performance for demanding applications.Specifications: Brand: HP ...
$42.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Upgrade Your Server Performance
The HP 4 GB DDR3 1600 (PC3 12800) RAM is designed to enhance the performance and reliability of your server. This ECC registered memory module provides stable and efficient operation, ensuring smooth performance for demanding applications.
Specifications:
- Brand: HP
- Model: 647895-S21
- Memory Type: DDR3
- Capacity: 4 GB
- Speed: 1600 MHz / PC3-12800
- Form Factor: DIMM 240-pin
- Error Correction: ECC Registered
- Latency: CL11
Key Features
Capacity: 4 GB
Memory Type: DDR3 SDRAM - DIMM 240-pin
Upgrade Type: System specific
Specifications
Capacity
4 GB
Memory Type
DDR3 SDRAM
Form Factor
DIMM 240-pin
Speed
1600 RAM
Upgrade Type
System specific
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View on Amazon →Pros & Cons
👍 Pros
- Provides a 4GB capacity, offering a notable upgrade to system memory for improved performance.
- Features DDR3 SDRAM technology, suitable for systems that require this specific generation of RAM.
- Comes in a DIMM 240-pin form factor, ensuring compatibility with motherboards designed for this standard.
- Marketed as a system-specific upgrade, suggesting optimized compatibility for certain HP systems.
- Can enhance multitasking capabilities and overall system responsiveness when added to a compatible machine.
👎 Cons
- The 4GB capacity might be insufficient for very demanding modern applications or heavy multitasking needs.
- DDR3 technology is older, limiting its use to systems that specifically support this generation of RAM.
- The 1600MHz speed, while standard for DDR3, is slower than current DDR4 or DDR5 memory speeds.
- Being a "system specific" upgrade, its compatibility is not universal and requires verification with the host system.
- It is a single module, so systems requiring dual-channel configurations would need to purchase multiple units.
Frequently Asked Questions
What is the capacity of this HP DDR3 RAM module?
This HP memory module has a capacity of 4 GB, providing additional memory for compatible systems.
What type of memory is this, and what is its form factor?
This is DDR3 SDRAM, and it comes in a DIMM 240-pin form factor, designed for desktop motherboards supporting this standard.
What speed is this DDR3 RAM rated for?
The HP 647895-S21 RAM is rated at 1600 MHz, providing a specific operational speed for compatible systems.
Is this memory module a universal upgrade for any computer?
No, it is described as a "System specific" upgrade, meaning it is intended for certain HP systems and may not be universally compatible.
Can installing this RAM improve my computer's performance?
Yes, upgrading RAM can improve system performance by allowing for better multitasking and smoother operation of memory-intensive applications, provided your system supports this module.
Is this memory suitable for laptops?
Given its DIMM 240-pin form factor, this memory module is designed for desktop computers, not typically for laptops which use SODIMM modules.
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