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About ddr2 667 533

Types of DDR2 667 533

DDR2 memory, or double data rate two synchronous dynamic random access memory, is a kind of DDR SDRAM that addresses system memory in PCs and different gadgets. As a result of its higher data transfer speed and productivity, it has been generally used in PC frameworks. DDR2 memory comes in various speeds, including 533 MHz, and 667 MHz. The numbers allude to the frequency at which the memory chips can move information.

DDR2 667 533 can run at different voltages, depending on the situation. The traditional voltage is 1.8V, yet a portion of the low-voltage DDR2 memory runs at 1.7V while retaining similar power use. DDR2 memory is unique regarding DDR1 memory. In this kind of memory, the information is clocked on both the rising and falling edges of the clock signal. The data rate for DDR2 is twice that of DDR1. DDR2 memory is available in different bundles, including;

  • Dual In-line Memory Module (DIMM)
  • SODIMM
  • MicroDIMM

DIMM has various pins on each side of the module, while SODIMM has a similar number of pins on both sides yet is smaller than DIMM. The features of these bundles are as per the following.

  • DIMM: Desktop PCs typically use DDR2 DIMM. It is available in different arrangements, contingent upon the memory limit. DDR2 DIMM comes in gold-plated memory chips and elements with 240 pins. Sixteen chips are on each module, and each chip can store 128MB to a total of 2GB memory. DDR2 DIMM memory modules work with specific motherboards, and clients should check the motherboard manual prior to buying.
  • SODIMM: Laptops and other compact gadgets that need space-saving use DDR2 SODIMM. Like DIMM, SODIMM has various pins on each side, yet the number of chips on either side differs contingent upon the memory limit. The memory modules come in 8 memory chips, 16 memory chips, or 8 double-sided memory chips. Each memory chip can store 64MB, 128MB, or 256MB of memory, giving a complete limit of 1GB or 2GB. DDR2 SODIMM memory modules work with specific motherboards, and clients should check the motherboard manual prior to buying.
  • MicroDIMM: DDR2 MicroDIMM is a more modest form of the DIMM module. It has a similar number of pins yet a smaller size. DDR2 MicroDIMM memory modules are ideal for miniature PCs and embedded systems due to their limited space.

Functions and features of DDR2 667 533

  • Functions:

    The core function of DDR2 memory is to provide a fast buffer between a computer's CPU and its permanent storage (hard disk or SSD). The CPU uses high-speed caches to store frequently needed data and instructions, but the caches have a limited capacity. When the CPU runs out of space in the cache, it turns to the RAM to fetch data and programs, and it needs to fetch them as quickly as possible. The faster the RAM, the quicker the CPU can do its work, and the less time it spends waiting for data from the hard disk. DDR2 is considerably faster than the older SDRAM, but DDR2, DDR3, and other types of double data RAM take their name from the technology's ability to transfer data on both the rising and falling edges of the clock signal. This makes them faster than the preceding generation.
    DDR2 also has features that help reduce the power consumed by RAM chips. DDR2 RAM runs at 1.8 volts, which is lower than the 2.5 volts needed by DDR1. This lower voltage means less power is wasted in the form of heat, which is important for laptop computers that are especially sensitive to heat and power drains. The chip also has a prefetch of four bits instead of the two bits used by the original DDR RAM.

  • Features:

    DDR2 SDRAM got performance improvements over the first DDR memory module standard. Its features include:
    • Dual-Tandem (2N) Data Rate: DDR2 accesses data on both edges of the clock cycle, and this reduces the time between data transfers on the chip.
    • 4-Bit Prefetch: The chip fetches four bits of data instead of two in each input/output (I/O) operation to improve overall throughput.
    • Synchronous:: It works in sync with the system clock to improve timing for data-transfer operations.
    • Burst length of 4 or 8: Data transfers occur in a continuous and sequential manner, and this helps improve speed. However, modules with a burst length of 8 are backward compatible with burst length 2 or 4.
    • Greater latency: Although DDR2 has better latency, it takes longer to respond to external commands than DDR.
    • 1.8V Operating Voltage: This reduced power consumption, which allowed laptops to use DDR2 memory modules while maintaining thermal stability. DDR2 also works with an 8-bit I/O interface, which means it transfers eight bits of data per cycle. It has a clock speed ranging from 200 to 400 MHz.

Usage scenarios of DDR2 667 533

The DDR2 667 MHz memory is popular in various usage scenarios that demand improved memory performance and system stability. Here is the list of the widely known applications of DDR2 667 533.

  • Business Organizations: Numerous enterprises utilize DDR2 667 memory modules to enhance the performance of their office computers and basic business tasks. By improving system responsiveness during routine activities like data entry, spreadsheets, and word processing, this memory plays a crucial role in increasing productivity.
  • Networking Equipment: Cisco and other networking equipment manufacturers heavily use DDR2 667 533 in routers, switches, and other networking devices. As the backbone of contemporary communication systems, these devices require dependable memory to process vast amounts of data and keep smooth network operations.
  • Point-of-Sale Systems: Various retail establishments and service sectors use point-of-sale (POS) systems, which utilize DDR2 667 MHz memory. The efficient handling of transactions and the swift loading of software applications by this memory module is crucial for maintaining the performance of POS systems.
  • Computer Repair Shops: Computer repair shops use DDR2 667 533 MHz memory modules to upgrade or replace old PCs and laptops. They can give older computers a cost-effective performance boost, making them run more smoothly and more quickly.
  • Medical Equipment Manufacturing: Medical tools like ultrasound systems, some anesthesia devices, and other machines that need dependable memory for data processing during medical procedures frequently integrate DDR2 667 MHz memory during production.

How to choose DDR2 667 533

When looking for DDR2 memory to upgrade a computer or to sell as a retailer, there are a few important things to consider to ensure it meets requirements and works properly.

  • Compatibility with Motherboard: It is critical to ensure the RAM is compatible with the DDR2 667 533 MHz motherboard. The type of DDR2 RAM that can be used depends on the DDR2 slot available on the motherboard. More importantly, one must ensure that the motherboard supports dual channel architecture because DDR2 533 RAM will only run in single channel mode on motherboards with this type of configuration.
  • Checking User Manual: User manuals of most computers and motherboards will always have a list of compatible RAM products. This product often comes with names of manufacturers to avoid compatibility issues. It also has an explicit mention of the maximum RAM that can be installed.
  • Evaluating Performance Needs: Evaluating performance needs helps to determine how much DDR2 667 RAM is required. This can also help to figure out how much money one plans to spend on the upgrade. It is very important to realize that more sticking is not always better; improving latency may even have a bigger impact on tasks that are only dependent on a single thread.
  • RAM Size: The amount of DDR2 RAM like 533 or 667 required depends upon utilization needs. For basic tasks, 2GB may suffice, while 4GB or more is optimal for demanding applications. Buyers should consider a balance between capacity and budget.
  • Evaluating Quality: When selecting a supplier, one must evaluate the quality of DDR2 RAM. It is crucial to learn how long they have been in business, their reputation, and their manufacturing methods. One should look for warranties and return policies for RAM products.

Q & A

Q1: What is the capacity of DDR2 SDRAM?

A1: DDR2 SDRAM is available in capacities ranging from 256 MB to 4 GB.

Q2: What is the difference between DDR2 and DDR2 SDRAM?

A2: DDR2 is a memory type, and DDR2 SDRAM is a component of that memory type.

Q3: What problems could arise from mixing different types of RAM?

A3: Mixing RAM can cause compatibility issues, system instability, and increased memory latency.

Q4: Does DDR2 SDRAM work on all motherboards?

A4: No, DDR2 SDRAM cannot work on all motherboards. Motherboards have specific memory requirements such as type, speed, and capacity.