Samsung 4GB DDR3 PC3-12800 1600MHz ECC Unbuffered Memory Module

Overview

The Samsung M391B5273DH0-CK0 is a 4GB DDR3 ECC unbuffered memory module designed to enhance system stability and data integrity in compatible motherboards. Operating at 1600 MHz with a PC3-12800 data rate, it supports up to 12.8 GB/s bandwidth, making it well suited for entry-level servers, scientific workstations, and small business desktops that require reliable memory performance without the complexity of registered modules.

Its error-correcting code (ECC) technology detects and corrects common memory errors, reducing the risk of system crashes and data corruption. This makes it a practical choice for environments where accuracy and uptime are critical, such as file servers, financial analysis workstations, and CAD systems running extended simulations.

Key features

• ECC technology that automatically detects and corrects memory errors to maintain system stability and data accuracy
• Unbuffered design compatible with a wide range of ECC-capable motherboards, simplifying upgrades and builds
• 1600 MHz speed ensures responsive performance for routine workloads and multitasking
• 240-pin DIMM layout that fits standard DDR3 memory slots supporting ECC modules
• CAS latency of 11 balances efficient data access with overall system responsiveness

Key specs

• Memory capacity: 4 GB
• Memory type: DDR3 ECC unbuffered DIMM
• Speed: 1600 MHz (PC3-12800)
• Bandwidth: Up to 12.8 GB/s
• CAS latency: 11
• Pin count: 240-pin

Compatibility and use cases

This memory module is compatible with motherboards that support DDR3 ECC unbuffered DIMMs, commonly found in entry-level servers and professional workstations. It is a strong choice for users who need dependable memory for data-sensitive applications without the added cost or complexity of registered memory. Ideal for small business environments, scientific research setups, and CAD workstations where system reliability and data integrity are priorities.