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Green circuit board with black memory chips and gold edge contacts

DELL

DELL A9810561 18GB DDR4 CL19 ECC Registered server RAM

SKU CH-W3G8-Q694J MPN A9810561

18 GB DDR4 ECC registered memory module with CL19 latency for Dell servers

  • Capacity18GB
  • SpeedDDR4 SDRAM
  • CAS LatencyCL19
  • ECCECC
  • Buffered/RegisteredRegistered
  • 18 GB capacity supports memory-intensive server workloads
  • CL19 CAS latency delivers responsive data access
  • ECC Registered design detects and corrects single-bit errors
  • Dell-qualified module ensures full system compatibility
  • DDR4 SDRAM technology provides reliable enterprise performance

Dell 18GB DDR4 CL19 ECC Registered Module

This Dell A9810561 module provides 18GB of DDR4 server memory with CL19 latency. It is built for administrators upgrading compatible Dell PowerEdge systems that require registered ECC DIMMs. The registered design adds a buffer to reduce electrical load on the memory controller, supporting higher capacities per channel.

Registered ECC Buffer and Dell Qualification

The registered buffer allows the memory controller to drive more modules without signal degradation, which is essential for dense server configurations. ECC circuitry detects and corrects single-bit errors to protect data integrity in critical workloads. Dell qualification testing verifies compatibility with the target platform firmware and thermal profile.

Installation Notes and Common Issues

Installation follows standard DIMM slot procedures: align the notch, press firmly until the retention clips engage, then verify detection in the system BIOS. A frequent issue occurs when mixing registered and unbuffered modules, which prevents the system from posting. Another common problem is populating slots in an unsupported sequence, causing the new capacity to remain unrecognised.

Points forts

  • 18 GB capacity supports memory-intensive server workloads
  • CL19 CAS latency delivers responsive data access
  • ECC Registered design detects and corrects single-bit errors
  • Dell-qualified module ensures full system compatibility
  • DDR4 SDRAM technology provides reliable enterprise performance

Caractéristiques

BrandDell
Capacity18GB
SpeedDDR4 SDRAM
CAS LatencyCL19
ECCECC
Buffered/RegisteredRegistered
Poids d’expédition0.45 kg
Dimensions du colis25 × 25 × 25 mm

Questions sur cet article

Will the registered ECC DDR4 modules require any periodic replacement or maintenance after installation?

No, the registered ECC DDR4 modules are solid-state components with no moving parts and do not require scheduled replacement or maintenance once correctly seated in the server.

What is the first limitation encountered when the 18 GB DDR4 CL19 kit runs at full load for extended periods?

The primary limit is the fixed CAS latency of 19 cycles, which determines the minimum response time the memory controller can achieve under sustained throughput.

How much heat and power does the registered ECC DDR4 memory generate during continuous all-day operation?

As low-voltage DDR4 registered DIMMs, they draw minimal power and produce only modest heat that standard server airflow handles without additional cooling.

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