Name: 500666-S21 HP 16GB DDR3 1066MHz ECC RDIMM 240-Pin Memory
Brand: HP
SKU: 500666-S21
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The HP 16GB DDR3 1066MHz ECC RDIMM 500666-S21 is a server memory module designed to provide 16GB of DDR3 RAM with error-correcting code support. It features a 240-pin registered DIMM form factor and operates at 1.5 volts with a clock speed of 1066MHz, fitting into compatible HP server systems requiring ECC memory for improved data integrity.

General Information
Brand	HP

Technical Information
Memory Capacity	16GB
Memory Technology	DDR3
Module Type	RDIMM
RAM Standard	PC3-8500
Pin Count	240-Pin
Error Correction	ECC
Rank	2Rx4
Voltage	1.5V

Performance
Bus Speed	1066MHz
Bandwidth	8528 MB/s
Native Speed	1066MHz
CAS	CL9

Physical Characteristics
Weight	3.00
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes
Compliance Standards	RoHS, CE
Assembly Required	No

Product Description
The HP 16GB DDR3 1066MHz ECC RDIMM (500666-S21) is a memory module designed to expand the memory capacity of compatible HP servers. It delivers 16GB of DDR3 RAM with error-correcting code (ECC) support to help maintain system stability by detecting and correcting common types of data corruption. This 240-pin registered DIMM operates at 1066MHz with a standard 1.5V power supply, making it suitable for server environments that require reliable memory modules with ECC functionality. IT professionals and system administrators typically use this memory to increase server performance or replace existing DIMMs in enterprise-grade HP hardware. Key Features 16GB DDR3 memory capacity for substantial memory expansion 1066MHz clock speed supporting moderate data rates ECC functionality to detect and correct memory errors Registered DIMM design for improved electrical stability in multi-module configurations 240-pin interface compatible with specified HP server platforms This memory module supports stable server operation by maintaining data integrity through ECC and registered buffering. It serves as a practical upgrade or replacement memory component for HP servers that utilize DDR3 1066MHz ECC RDIMM modules, ensuring consistent performance within its supported environments.

Use Cases
This HP 16GB DDR3 ECC RDIMM memory module is typically used in enterprise server environments requiring reliable memory upgrades or replacements. It fits into systems where ECC memory is necessary to maintain data accuracy under heavy workloads. Suitable for IT departments managing HP servers that support DDR3 1066MHz registered DIMM modules. How It's Used: Upgrading memory capacity in HP servers supporting DDR3 ECC registered modules Replacing faulty or underperforming memory in data center hardware Enhancing data integrity in server applications sensitive to memory errors Deploying in environments that require 1.5V DDR3 240-pin ECC RDIMM compatibility Supporting virtualized workloads on HP server platforms with ECC memory requirements By providing error-corrected memory with a registered design, this module helps maintain system stability and integrity in multi-module server configurations. It plays a key role in sustaining operational consistency in enterprise hardware setups.

FAQ's
What servers are compatible with the 500666-S21 memory module? This module is compatible with HP servers that support 16GB DDR3 1066MHz ECC Registered DIMMs with a 240-pin form factor. Compatibility depends on the specific server model's memory specifications. What does ECC mean in this memory module? ECC stands for Error-Correcting Code, a feature that detects and corrects common types of memory errors to help maintain data accuracy and system stability. Is the 500666-S21 a registered or unbuffered DIMM? The 500666-S21 is a registered DIMM (RDIMM), which includes additional circuitry to improve signal integrity in systems with multiple memory modules installed. What voltage does this memory module operate at? This HP memory module operates at 1.5 volts, which is standard for DDR3 ECC RDIMM modules at 1066MHz speed. How many pins does the 500666-S21 memory have? The module features a 240-pin configuration, compatible with the designated DDR3 ECC RDIMM slots on supported HP servers. Can this memory module be mixed with other speeds or types? Mixing memory speeds or types should follow the server manufacturer guidelines, as unsupported combinations may lead to reduced performance or system instability.

500666-S21 HP 16GB DDR3 1066MHz ECC RDIMM 240-Pin Memory

Product Overview

General Information

Technical Information

Performance

Physical Characteristics

Miscellaneous

Product Description

Use Cases

FAQ's