Name: 77P8691 IBM 4GB DDR3 1066MHz CL7 ECC Registered RDIMM Memory
Brand: IBM
SKU: 77P8691
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The 77P8691 IBM 4GB DDR3 1066MHz CL7 ECC RDIMM Memory module provides 4GB of DDR3 memory at 1066MHz speed. It features ECC for error correction and is a Registered DIMM, designed to fit IBM server platforms requiring these specifications. The CAS latency is 7, supporting timely data access.

General Information
Brand	IBM

Technical Information
Memory Capacity	4GB
Memory Technology	DDR3
Module Type	RDIMM
RAM Standard	PC3-8500
Pin Count	240-Pin
Error Correction	ECC
Rank	Dual-Rank
Voltage	1.5V

Performance
Bus Speed	1066 MHz
Bandwidth	8500 MB/s
Native Speed	1066 MT/s
CAS	7

Physical Characteristics
Weight	3.00
Condition	Refurbished

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

Product Description
The IBM 77P8691 is a 4GB DDR3 memory module designed to provide system memory expansion for compatible servers and workstations. It operates at a frequency of 1066MHz, offering balanced performance for supported IBM platforms. This module is a Registered DIMM (RDIMM) with ECC (Error-Correcting Code), which helps maintain data integrity by detecting and correcting common types of internal data corruption. The CAS latency of 7 supports timely memory access within its operating specifications. Key Features 4GB DDR3 capacity suitable for mid-range memory upgrades 1066MHz speed ensuring compatibility with specific IBM server environments ECC capability for improved data accuracy and system stability Registered DIMM form factor for enhanced signal integrity in multi-module configurations CAS Latency 7 for controlled memory access timing This memory module serves an important role in maintaining system reliability and performance within IBM server systems that support these specifications. Its error-correcting function is particularly valuable in enterprise environments where data integrity is critical.

Use Cases
This memory module is typically used in IBM server systems requiring reliable and error-correcting memory at 1066MHz speed. It is suited for environments where system stability and data integrity are priorities, such as enterprise data centers and critical applications. How It's Used: Upgrading server memory capacity in IBM systems compatible with 1066MHz DDR3 RDIMM modules Supporting applications needing error-correcting memory to reduce data corruption risks Deploying in multi-module configurations requiring Registered DIMM form factor Maintaining system stability in enterprise workloads with ECC memory Replacing or expanding memory in IBM servers with CAS Latency 7 compatibility Overall, the module helps ensure consistent memory performance and reliability within supported IBM server environments, contributing to the operational stability of critical computing tasks.

FAQ's
What does ECC mean in this memory module? ECC stands for Error-Correcting Code, which detects and corrects common data errors to maintain system stability and data integrity in servers. Is the 77P8691 compatible with non-IBM servers? Compatibility depends on the server's support for 4GB DDR3 1066MHz Registered ECC DIMMs. This module is specifically designed for IBM systems, and compatibility with other servers is not guaranteed. What does Registered DIMM (RDIMM) indicate? Registered DIMMs include a register between the DRAM modules and the memory controller to improve signal integrity and stability in systems with multiple memory modules. What is the significance of CAS Latency 7? CAS Latency 7 indicates the delay in clock cycles between a memory request and data availability, affecting memory access timing within the module's operational parameters. Can this module be mixed with non-ECC memory? Mixing ECC and non-ECC memory is generally not supported as it may cause system instability or prevent the system from booting properly. Does this memory require specific BIOS settings? Systems using ECC Registered DIMMs typically auto-configure necessary BIOS settings, but verify compatibility and configuration requirements with the IBM server documentation.

77P8691 IBM 4GB DDR3 1066MHz CL7 ECC Registered RDIMM Memory

Product Overview

General Information

Technical Information

Performance

Physical Characteristics

Miscellaneous

Product Description

Use Cases

FAQ's