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Samsung

Samsung M393B1K70DH0-CK0 8GB DDR3 ECC Registered Server RAM

★★★★★3.1 (4 reviews)

Samsung 8GB DDR3 ECC registered server memory at 1600MHz for reliable, error-correcting performance.

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Overview

The Samsung M393B1K70DH0-CK0 is an 8GB DDR3 ECC Registered DIMM rated at 1600MHz (PC3-12800) and operating at 1.5V. Designed specifically for server and workstation environments, it uses Error-Correcting Code technology to detect and correct single-bit memory errors on the fly, reducing the risk of data corruption and unplanned downtime. The registered (buffered) design places a register between the memory chips and the memory controller, which improves signal integrity and allows servers to support higher total memory capacities across their DIMM slots.

This module is a practical choice for organizations maintaining or expanding DDR3-based server infrastructure. Samsung's reputation for memory manufacturing means broad compatibility across major server platforms from Dell, HP, Lenovo, and Supermicro. As a DDR3 module, it is intended for systems that predate the DDR4 and DDR5 generations, making it most relevant as a replacement or capacity upgrade in existing hardware rather than a component for new server builds.

Specifications

Brand
Samsung
Model
M393B1K70DH0-CK0
Capacity
8GB
Type
DDR3 SDRAM
Speed
1600MHz (PC3-12800)
Error Correction
ECC Registered
Voltage
1.5V

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Pros & Cons

👍 Pros

  • ECC error correction provides data integrity critical for server uptime and reliability
  • 1600MHz speed delivers solid throughput for DDR3-era server platforms
  • Registered design supports higher memory capacities per channel in multi-socket servers
  • Samsung manufacturing offers consistent quality and wide compatibility across server platforms

👎 Cons

  • 8GB capacity is modest by current server standards, potentially requiring multiple modules for adequate total memory
  • DDR3 technology is an older generation, limiting this module to legacy server platforms
  • 1.5V operating voltage consumes more power than low-voltage DDR3L or DDR4 alternatives
  • Not compatible with standard desktop or laptop motherboards due to its registered ECC design

Frequently Asked Questions

It is an ECC Registered (RDIMM) module designed for servers and workstations that require registered memory — it is not compatible with standard desktop motherboards.
ECC stands for Error-Correcting Code. It detects and corrects single-bit memory errors automatically, which is critical for servers that run continuously and cannot tolerate data corruption.
It runs at 1600MHz (PC3-12800), providing solid bandwidth for server workloads.
It operates at 1.5V, which is the standard voltage for DDR3 memory.
No, ECC Registered DIMMs must be used with other ECC Registered DIMMs. Mixing with non-ECC or unbuffered memory is not supported and will prevent the system from booting.

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