Samsung 4GB DDR3 240-Pin SDRAM ECC Registered Server Memory Model

Overview

The Samsung M393B5170FH0-CH9 is a 4 GB DDR3 server memory module designed to provide reliable and stable performance for server environments. Operating at 1333 MHz, this 240-pin ECC Registered DIMM is built to support error correction and maintain system stability in demanding workloads. Its dual-voltage capability allows for efficient power management, making it suitable for a variety of server applications including file servers, virtualization hosts, and small business servers.

Key features

• ECC protection automatically detects and corrects memory errors to prevent data corruption and system crashes.
• Registered DIMM design buffers command and address signals, reducing electrical load on the memory controller for improved stability in large memory configurations.
• Dual voltage operation at 1.5 V or 1.35 V enables balancing between performance and energy efficiency.
• 2R × 4 chip organization supports compatibility with platforms expecting x4 or x8 chips and allows for dual-rank configurations.
• 240-pin form factor ensures easy installation in servers that accept DDR3 RDIMM modules.

Key specs

• Memory capacity: 4 GB
• Memory type: DDR3 SDRAM
• Speed: 1333 MHz
• Form factor: 240-pin Registered DIMM
• Error correction: ECC (eight-bit parity)
• Voltage: 1.5 V / 1.35 V
• Chip organization: 2R × 4

Compatibility and use cases

This memory module fits server boards that support DDR3 Registered DIMMs and ECC functionality. It is well suited for systems that require continuous uptime and data integrity, such as database servers, virtualization hosts, and domain controllers. Its power-saving voltage options make it a practical choice for rack-mounted servers and home labs where thermal management and noise reduction are important. Whether upgrading older DDR3 systems or expanding existing server memory, this module offers dependable performance backed by Samsung’s quality standards.