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Green rectangular DDR4 DIMM module with black chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KSM26RS8/8HDI 8GB DDR4 2666 CL19 1.20V ECC Registered 288-pin server RAM

SKU CH-BSJT-0E1JY MPN KSM26RS8/8HDI

8 GB DDR4 server memory with ECC and registered signal processing at 2666 MHz CL19

  • Capacity8GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V

Capacity 8GB

Struck-through versions exist but are not stocked here.

Rank 1Rx8

Option Hynix

  • ECC protection guards data integrity in critical workloads
  • Registered design reduces electrical load for stable server operation
  • 2666 MHz DDR4 speed with CL19 latency delivers responsive throughput
  • 20 V operation lowers power draw and heat output
  • 288-pin DIMM form factor fits standard server memory slots

Server DDR4 ECC registered module

Kingston KSM26RS8/8HDI is an 8 GB DDR4 2666 MHz CL19 registered DIMM built for server platforms that require ECC error correction. The 288-pin module operates at 1.20 V and uses a single-rank 1Rx8 organisation.

Sustained-load behaviour

Registered signal buffering reduces electrical load on the memory controller during continuous operation, helping maintain stability under heavy virtualisation or database workloads. Dynamic burn-in screening at the factory targets early-life failures before deployment.

Pre-order checklist

Confirm your motherboard supports DDR4 registered ECC DIMMs and has free 288-pin slots. Verify the platform accepts 1.20 V modules and that the 19-19-19 timing profile is compatible with existing memory population rules.

Highlights

  • ECC protection guards data integrity in critical workloads
  • Registered design reduces electrical load for stable server operation
  • 2666 MHz DDR4 speed with CL19 latency delivers responsive throughput
  • 20 V operation lowers power draw and heat output
  • 288-pin DIMM form factor fits standard server memory slots

Specifications

BrandKingston
ModelKSM26RS8/8HDI
Capacity8GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo
Shipping weight0.02 kg
Package size160 × 43 × 11 mm

Other versions of this model

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

Questions about this item

How much power does the 1.20 V registered DDR4-2666 module draw when the server runs continuously?

The module operates at 1.20 V, the standard DDR4 voltage, so power draw stays low even under sustained 2666 MHz workloads.

What motherboard slot and memory controller features are required for this 288-pin registered ECC DIMM?

A DDR4 RDIMM slot with 288 pins and a memory controller that supports registered ECC modules is needed.

Can this 8 GB single-rank stick be mixed with other registered ECC DDR4 modules of different capacities?

Yes, it can populate any compatible RDIMM slot alongside other registered ECC DDR4 modules, provided the platform allows mixed capacities.

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