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Green bare circuit board with black memory chips, gold edge connector, no heat spreader

Kingston Technology Corp.

Kingston Technology Corp. KSM26RD4/32HDI 32GB DDR4 2666 CL19 ECC Registered server RAM

SKU CH-A16Y-H190W MPN KSM26RD4/32HDI

32 GB DDR4 ECC registered DIMM running at 2666 MHz with CL19 latency for server reliability

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V

Capacity 32GB

Struck-through versions exist but are not stocked here.

Rank 2Rx4

Option Hynix

  • 32 GB capacity supports demanding server workloads
  • DDR4 2666 MHz speed delivers high bandwidth
  • CL19 latency enables fast data access
  • ECC registered design ensures data integrity
  • 288-pin DIMM fits standard server slots

32GB DDR4-2666 Registered ECC Module

This 32GB DDR4 module runs at 2666MHz with CL19 timings and 1.20V operation. It features ECC parity checking and registered signal processing for data integrity. The 288-pin DIMM uses a 2Rx4 rank configuration without a heat spreader. It is built for server platforms that require registered memory.

Registered DIMMs Require Platform Support

Registered memory modules place a register between the DRAM and the memory controller to reduce electrical load. This design only functions on motherboards with chipsets and BIOS firmware that explicitly support registered DIMMs. Standard desktop and consumer workstation boards typically cannot initialise these modules. The DDR4-2666 speed rating follows the PC4-21300 standard for bandwidth specification.

Verify Registered Memory Compatibility First

Before ordering, confirm your server motherboard qualification list includes registered ECC DDR4 DIMMs at this density and speed. Check that the memory controller supports 2Rx4 rank organisation for 32GB modules. Ensure the system BIOS is updated to a version that validates this configuration. Systems requiring unbuffered or non-ECC memory will not operate with this module.

Highlights

  • 32 GB capacity supports demanding server workloads
  • DDR4 2666 MHz speed delivers high bandwidth
  • CL19 latency enables fast data access
  • ECC registered design ensures data integrity
  • 288-pin DIMM fits standard server slots

Specifications

BrandKingston
SeriesPremier Series
ModelKSM26RD4/32HDI
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Shipping weight0.14 kg
Package size178 × 76 × 13 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

Should I choose the 32 GB module or a different capacity?

The module is sold as a single 32 GB stick. Add multiple units to reach the total memory your server board supports.

What does the 2666 MHz rating deliver once installed?

It runs at 2666 MHz with CL19 timing, giving a PC4-21300 data rate for registered ECC workloads.

Does the 288-pin DDR4 interface limit speed or capacity?

The 288-pin DDR4 DIMM fits standard server slots and operates at 1.20 V within the DDR4-2666 specification.

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