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Green rectangular circuit board with gold edge connectors and black memory chips

Kingston Technology Corp.

Kingston Technology Corp. KSM26RD8/16MRR 16GB DDR4 2666 CL19 ECC Registered 288-pin server RAM

SKU CH-XXHY-6Z706 MPN KSM26RD8/16MRR

16 GB DDR4 2666 registered ECC server DIMM with CL19 latency and 288-pin form factor

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V

Capacity 16GB

Struck-through versions exist but are not stocked here.

Rank 2Rx8

Option Micron

  • ECC protection prevents data corruption in critical workloads
  • Registered signal processing maintains stability at 2666 MHz
  • 16 GB capacity handles demanding virtualisation and databases
  • CL19 latency delivers responsive access for heavy applications
  • 20 V operation reduces power draw in dense servers

Server DDR4 ECC Registered Module

Kingston Server Premier KSM26RD8/16MRR is a 16 GB DDR4-2666 registered DIMM with ECC. It operates at CL19 timings and 1.20 V on a 288-pin interface. The dual-rank design supports data integrity for continuous workloads.

Suited for mission-critical servers needing ECC

This module fits systems that require registered memory with error correction for database, virtualization or enterprise applications. It is not for consumer desktops or laptops that accept only unbuffered non-ECC memory. Builders needing higher capacities or different speeds should verify platform limits.

Registered ECC with CL19 latency at 2666 MT/s

The registered buffer and ECC parity provide signal stability and error detection essential for server uptime. CL19 timing at 2666 MT/s delivers consistent throughput for sustained workloads. Compatibility depends on the motherboard memory controller and qualified vendor list.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • Registered signal processing maintains stability at 2666 MHz
  • 16 GB capacity handles demanding virtualisation and databases
  • CL19 latency delivers responsive access for heavy applications
  • 20 V operation reduces power draw in dense servers

Specifications

BrandKingston
ModelKSM26RD8/16MRR
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Shipping weight0.05 kg
Package size157 × 46 × 5 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the CL19 latency limit sustained throughput on this 2666 MHz DDR4 module?

CL19 timing at 2666 MHz is the rated specification; the registered buffer and ECC maintain signal integrity during continuous operation.

How much heat and power does this 1.20 V registered DIMM produce under all-day load?

Operating at 1.20 V, the module runs within standard DDR4 thermal limits; registered signalling reduces electrical load on the memory bus.

Must my motherboard support registered ECC DDR4 and 288-pin DIMM slots to use this module?

Yes — the module requires a server-class platform with registered ECC DDR4 support and 288-pin DIMM sockets.

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