Perfect, includes original box and packaging, along with 1 year warranty from .
Crucial 4GB 1x4GB DDR3L ECC SODIMM 1600 CL11 1.35V CT51272BF160B

UPC: 649528762085
MPN: CT51272BF160B
Brand: Crucial
Type: DDR3L SDRAM
Form Factor: SO-DIMM
Number of Modules: 1
Total Capacity: 4 GB
Capacity per Module: 4 GB
Bus Speed: PC3L-12800 (DDR3L-1600)
Memory Features: ECC Memory
Number of Pins: 204
CAS Latency: CL11
Voltage: 1.35 V
Rank: 2Rx8

Technical Architecture & Memory Specifications

This Crucial 4GB DDR3L-1600 (PC3L-12800) memory module features a specialized 2Rx8 (Dual Rank) organization with a 512Meg x 72 configuration. Operating at a low voltage of 1.35V while maintaining dual-voltage compatibility with 1.5V systems, it delivers efficient power consumption and thermal performance. The module utilizes an Unbuffered ECC SODIMM architecture with a CAS Latency of CL11, ensuring data integrity and rapid access times for critical computing tasks.

Platform Compatibility & Server/Desktop Application

Engineered for specialized environments, this 204-pin ECC SODIMM is optimized for high-end workstations, micro-servers, and specific small form factor systems that require Error Correction Code support. It is highly compatible with select enterprise-grade laptops, compact NAS devices, and micro-architecture builds requiring robust memory error detection and correction capabilities.

Alternative Models & Cross-Brand Equivalents (SEO Matrix)

For buyers cross-referencing specific PC builds or motherboard QVL lists, this item shares identical core specifications with, or is a direct physical variant of, the following manufacturer part numbers:

• Same-Brand Variants: CT51264BF160B, CT51272BD160B
• Competitor Equivalents: KVR16LSE11/4, M474B5173QH0-YK0, HMT451S6AFR8A-PB, MT18KSF51272HZ-1G6