Name: 187421-B21 HP 4GB (2x2GB) RDIMM 184-Pin Server Memory Kit
Brand: HP
SKU: 187421-B21
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The 187421-B21 HP 4GB Kit (2x2GB) RDIMM 184-Pin Memory is a server memory solution designed to provide 4GB of registered DDR memory through two matched 2GB modules. It fits into 184-pin memory slots typical in select HP servers, supporting configurations that demand registered DIMMs for stability and system compatibility.

General Information
Brand	HP

Technical Information
Memory Capacity	4GB
Memory Technology	DDR
Module Type	RDIMM
Pin Count	184-Pin
Error Correction	ECC
Voltage	2.5V

Physical Characteristics
Weight	3.00
Condition	Refurbished

Miscellaneous
Assembly Required	No

Product Description
The 187421-B21 HP 4GB Kit includes two 2GB RDIMM modules designed for installation in servers supporting 184-pin memory modules. This kit is utilized primarily in HP server environments that require registered memory modules for enhanced stability and performance in multi-processor systems. Typically employed by IT professionals managing enterprise servers, this memory kit supports configurations where a total of 4GB RAM is needed, divided across two modules to optimize memory channel usage. Key Features Two 2GB RDIMM modules totaling 4GB memory capacity 184-pin form factor compatible with specific HP server models Registered DIMM technology for reliable server operation Kit format ensures matched memory pairs for balanced system performance Designed specifically for HP server memory slots This memory kit serves as a component for expanding or upgrading server memory capacity in compatible HP systems. The registered nature of the DIMMs supports error checking and reduces electrical load on the memory controller, suitable for server workloads requiring consistent memory performance.

Use Cases
This HP 4GB memory kit is typically used in enterprise server environments where registered DIMM memory is required for system stability and performance. It suits IT administrators upgrading or maintaining memory capacity on compatible HP servers handling general compute or data workloads. How It's Used: Expanding memory capacity in HP ProLiant servers supporting 184-pin RDIMMs Configuring server memory in dual-channel setups for balanced performance Replacing existing memory modules to maintain system reliability Supporting business applications requiring stable memory configurations Memory upgrades in data center environments with matching HP hardware The kit plays a role in ensuring that server memory configurations meet the required capacity and stability demands for enterprise operations. It is part of maintaining or enhancing server infrastructure memory without altering core hardware compatibility.

FAQ's
What servers are compatible with the 187421-B21 memory kit? This memory kit is designed for HP servers that support 184-pin RDIMM modules. Compatibility details depend on the specific server model and its memory slot specifications. What does RDIMM mean in this context? RDIMM stands for Registered Dual Inline Memory Module, which includes a register to reduce electrical load, improving stability in server environments that use multiple memory modules. Can this kit be used in non-HP servers? The 187421-B21 kit is designed specifically for HP servers with 184-pin RDIMM slots; using it in non-HP systems is not supported without verified compatibility. Is this memory kit installed as a pair or individually? The kit includes two matched 2GB modules intended to be installed together for balanced dual-channel memory configurations. Does the 187421-B21 support error checking? As registered DIMMs, these modules support error checking features typical of RDIMM technology, aiding in system reliability. What type of memory form factor does this kit use? The memory modules in this kit use a 184-pin form factor compatible with certain HP server DIMM slots designed for registered memory.

187421-B21 HP 4GB (2x2GB) RDIMM 184-Pin Server Memory Kit

Product Overview

General Information

Technical Information

Physical Characteristics

Miscellaneous

Product Description

Use Cases

FAQ's