The 690802-S21 is an 8GB memory module manufactured by Hewlett-Packard (HP). It is designed to be used in servers that require ECC registered DDR3 SDRAM. In this article, we will go into detail about the specifications and features of the 690802-S21 memory module.
Memory Capacity and SpeedThe 690802-S21 memory module has a capacity of 8GB, which means it can store up to 8 gigabytes of data. This makes it suitable for servers that require large amounts of memory to handle complex tasks.
In terms of speed, the 690802-S21 has a memory clock speed of 1600MHz. This means that it can transfer data at a rate of 1.6 billion cycles per second. The module also has a PC3-12800 rating, which refers to the maximum amount of data that it can transfer per second. Specifically, the PC3-12800 rating means that the memory module can transfer up to 12.8 GB of data per second.
ECC Registered DDR3 SDRAMThe 690802-S21 memory module uses ECC registered DDR3 SDRAM. ECC stands for Error-Correcting Code, which means that the memory module can detect and correct errors that occur during data transfer. This is important for servers because data errors can have serious consequences, such as system crashes or data corruption.
Registered DDR3 SDRAM refers to a type of memory that has an extra register between the memory controller and the DRAM chips. This register helps to reduce the load on the memory controller, which can improve the performance of the memory module. However, registered DDR3 SDRAM typically has higher latency than unbuffered DDR3 SDRAM, which means that it takes longer to access data.
240-Pin DIMM Form FactorThe 690802-S21 memory module has a 240-pin DIMM form factor. DIMM stands for Dual In-Line Memory Module, which refers to a type of memory module that has pins on both sides. The 240-pin configuration is specific to DDR3 memory modules and refers to the number of pins on the module.
The DIMM form factor is used in servers because it allows for easy installation and removal of memory modules. DIMM modules are also designed to be more reliable than other types of memory modules, which is important for servers that need to run continuously without failure.
Dual Rank ConfigurationThe 690802-S21 memory module has a dual rank configuration. This means that the memory chips on the module are organized into two separate ranks. A rank is a group of memory chips that can be accessed together by the memory controller.
Dual rank memory modules typically have better performance than single rank modules because they can handle more data at once. However, dual rank modules can also have higher latency than single rank modules because the memory controller has to switch between ranks to access data.
CL11 Timing
The 690802-S21 memory module has a CL11 timing rating. CL stands for CAS Latency, which refers to the delay between when the memory controller sends a command to access data and when the data is available. The lower the CL rating, the faster the memory module can access data.
A CL11 rating is considered average for DDR3 memory modules. However, it is important to note that the overall performance of a memory module is influenced by many factors, including clock speed, capacity, and rank configuration.
In Summary, the 690802-S21 memory module is a high-quality memory module designed for use in servers that require ECC registered DDR3 SDRAM. With a capacity of 8GB and a memory clock speed of 1600MHz, this module can handle complex tasks with ease. The dual rank configuration and CL11 timing rating further enhance its performance,
General Information about the HP 690802-S21- Manufacturer: HP
- Part Number or SKU# 690802-S21
- Product Type: Memory (RAM)
- Product Name: 8GB Pc3-12800
- Storage Capacity: 8GB
- Memory Technology: DDR3 SDRAM
- Chips Organization: X4
- Number Of Modules: 1 X 8GB
- Memory Speed: 1600mhz DDR3-1600/PC3-12800
- Data Integrity Check: Ecc
- Signal Processing: Registered
- Ram Features: Dual Rank
- Cas Latency Timings: Cl11
- Platform Support: HP Proliant Server
- Form Factor: 240-Pin Dimm
- Dimensions (W X D X H) : 8.89 X 19.81 X 1.91 Cm (3.5 X 7.8 X 0.75 In)
- Weight: 0.45 Kg (1 Lb)
- HP Bladesystem Proliant Server Blades
- Proprietary HP Proliant Server - Bl420c G8
- Proprietary HP Proliant Server - Bl460c G8
- Proprietary HP Proliant Server - Dl360e G8
- Proprietary HP Proliant Server - Dl380e G8
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
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