Name: 01KR359 Lenovo 8GB DDR4-2666MHz PC4-21300 ECC Unbuffered UDIMM CL19 1Rx8 1.2V 288-Pin Memory Module
Brand: Lenovo
SKU: 01KR359
Price: 223.64 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Lenovo 8GB DDR4-2666MHz ECC Unbuffered UDIMM is a memory module designed to enhance system reliability by correcting data errors and operating efficiently at 1.2 volts. It fits into 288-pin DIMM slots on compatible Lenovo servers and workstations, making it a practical choice for users who need consistent performance and error correction without the complexity of registered memory.

General Information
Brand	Lenovo
Part Number	01KR359
Alternate Part Number	01KR359-12-HU

Technical Information
Memory Capacity	8GB
Memory Technology	DDR4
Module Type	UDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC
Rank	1Rx8
Voltage	1.2V

Performance
Bus Speed	2666 MHz
Bandwidth	21300 MB/s
Native Speed	2666 MHz
CAS	CL19

Physical Characteristics
Dimensions	30 x 133.35 x 3 mm (H x W x D) / 1.18 x 5.25 x 0.12 in
Weight	0.50
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, CE

Product Description
This Lenovo 8GB DDR4-2666MHz memory module is built for servers and workstations needing reliable and efficient performance. It is often found in business environments where data accuracy is critical, such as in financial or scientific computing. Engineered to provide error correction through ECC, this module helps reduce the risk of data corruption, making it a popular choice for IT professionals and system builders focused on stability. Its unbuffered UDIMM design is suitable for systems that do not require registered memory, offering a balance between performance and compatibility. Key Features Operates at a stable 2666MHz frequency suitable for moderate to high workloads Supports ECC to detect and correct common memory errors automatically Unbuffered and single-rank (1Rx8) architecture for straightforward integration Low voltage 1.2V operation helps reduce power consumption and heat Designed for 288-pin DIMM slots typical in many Lenovo server platforms This memory module is typically deployed in Lenovo servers and business desktops where reliability and uptime are priorities. It plays a vital role in maintaining system stability under continuous use and heavy multitasking scenarios.

Use Cases
The 01KR359 Lenovo 8GB DDR4-2666MHz ECC Unbuffered UDIMM is commonly deployed in server and workstation environments where data integrity and reliable performance are critical. It suits IT professionals managing mid-sized data centers or enterprise deployments requiring error correction without the latency overhead of registered memory. How It's Used: Supporting virtualization hosts in SMB data centers to maintain system stability under multi-VM workloads. Equipping edge computing nodes that demand efficient, error-corrected memory for real-time data processing. Enhancing performance in enterprise storage servers where ECC memory reduces the risk of silent data corruption. Upgrading Lenovo rack servers in remote offices to ensure operational reliability with constrained IT support. Deploying in compute-intensive research workstations focusing on error-resilient memory for complex simulations. This memory module contributes to operational continuity by minimizing memory errors in critical applications. Its low voltage and unbuffered design facilitate scalable upgrades in environments where both performance consistency and error correction are priorities.