HP 647907-S21 4GB DDR3 1333 Low Power RAM

Name: HP 647907-S21 4GB DDR3 1333 Low Power RAM
Brand: HP
SKU: 647907-S21

4 GB Memory

Boost Your System's PerformanceUpgrade your system's memory with the HP 4GB DDR3 1333 RAM kit. This low-power memory module is designed to improve your computer's responsiveness and efficiency. Capacity: 4 GB Memory Type: DDR3 SDRAM Form Factor: DIMM 240-pin Upgrade Type: System specific

$90.00*

Check availability

*Price sourced from Amazon.com. Last updated:Sep 06, 2026.Price and availability are subject to change — details.

Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Boost Your System's Performance

Upgrade your system's memory with the HP 4GB DDR3 1333 RAM kit. This low-power memory module is designed to improve your computer's responsiveness and efficiency.

Capacity: 4 GB
Memory Type: DDR3 SDRAM
Form Factor: DIMM 240-pin
Upgrade Type: System specific

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

1333 (MHz)

Power Consumption

Low Power

Upgrade Type

System specific

Frequently Asked Questions

What is the capacity of this HP RAM module?

This HP memory module provides 4 GB of capacity, suitable for expanding system memory in compatible devices.

What type of memory is this HP module?

This is DDR3 SDRAM memory, specifically designed as a DIMM 240-pin module for system integration.

What is the speed of this HP 4GB DDR3 RAM?

This HP memory module operates at a speed of 1333 MHz, offering efficient data transfer rates for compatible systems.

Is this memory module designed for any specific system type?

Yes, it is described as a system specific upgrade, indicating it is optimized or intended for particular HP systems.

Is this a low power memory module?

Yes, the HP 647907-S21 is identified as Low Power RAM, which can contribute to reduced energy consumption in compatible systems.

Strengths & Trade-offs

👍 Pros

Provides a 4GB capacity, offering a substantial memory upgrade for compatible systems.
Features DDR3 SDRAM memory type, which is a widely supported standard.
Designed as a DIMM 240-pin module, indicating broad compatibility with desktop and server motherboards.
Categorized as a "Low Power RAM," which can contribute to reduced energy consumption and cooler system operation.
Described as "System specific" upgrade, ensuring optimal compatibility and performance with designated HP systems.

👎 Cons

The memory is "System specific," which means it may not be universally compatible with all devices and is optimized for certain HP systems.
A capacity of 4GB may be considered modest for modern, memory-intensive applications or multitasking needs.
DDR3 technology is an older generation of RAM compared to newer DDR4 or DDR5, potentially limiting overall system speed in new builds.
The operating speed of 1333MHz, while standard for DDR3, is slower than current generation DDR4 and DDR5 memory modules.
Specific latency timings (e.g., CL rating) are not provided, which can influence performance for certain applications.