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Green rectangular DDR4 memory module with black chips and gold edge connectors, no heat spreader

SAMSUNG

SAMSUNG M393A4K40BB0-CPB 32GB DDR4-2133 ECC Registered CL15 server RAM

SKU CH-1TF3-60Z0D

32 GB DDR4-2133 ECC registered server memory with CL15 latency and 1.2 V operation

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • 32 GB capacity supports dense virtualisation workloads
  • ECC registered design protects data integrity in critical applications
  • DDR4 2133 speed delivers 17000 MB/s bandwidth
  • CL15 latency at 1.2 V balances responsiveness with efficiency
  • 288-pin 2Rx4 module fits standard server DIMM slots

32GB DDR4-2133 ECC Registered module

This 32GB DDR4 module runs at 2133 MT/s with a CAS latency of 15 and operates at 1.20V. It is built for servers and workstations that require error-correcting code and registered signal buffering for data integrity.

Registered DDR4 at 2133 MT/s

The registered design adds one clock cycle of latency to improve signal stability on heavily loaded memory buses. Maximum throughput is limited to the PC4-17000 rating, so workloads needing higher bandwidth will not benefit from faster memory speeds.

288-pin DIMM installation

The module fits standard 288-pin DDR4 slots and requires no heat spreader. Systems that do not support ECC or registered memory will not boot with this module installed, so platform compatibility must be verified before purchase.

Highlights

  • 32 GB capacity supports dense virtualisation workloads
  • ECC registered design protects data integrity in critical applications
  • DDR4 2133 speed delivers 17000 MB/s bandwidth
  • CL15 latency at 1.2 V balances responsiveness with efficiency
  • 288-pin 2Rx4 module fits standard server DIMM slots

Specifications

BrandSAMSUNG
ModelM393A4K40BB0-CPB0
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
Features2Rx4

Questions about this item

Should I pick the 32 GB DDR4-2133 module or a different capacity?

This module provides 32 GB in a single 288-pin stick; add more identical modules to reach the total memory your server board supports.

What does the DDR4-2133 (PC4-17000) rating deliver in a live system?

The module runs at 2133 MT/s with CL15 latency at 1.2 V, giving a peak bandwidth of 17000 MB/s per stick when the platform enables that speed.

How does the registered ECC interface affect compatibility and limits?

The 2Rx4 registered ECC design requires a server chipset that supports registered DIMMs; it will not work in standard desktop boards.

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