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

Kingston Technology Corp.

Kingston Technology Corp. KTH-PL426D8/16G 16GB DDR4 2666 CL19 ECC Registered server RAM

SKU CH-PPFX-7SR01 MPN KTH-PL426D8/16G

16 GB DDR4 ECC Registered DIMM at 2666 MHz CL19 1.20 V for server workloads

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • 16 GB capacity handles heavy workloads smoothly
  • 2666 MHz DDR4 speed with CL19 latency runs demanding apps
  • ECC and registered design ensures data integrity
  • 20 V operation reduces power consumption
  • 288-pin DIMM form factor fits standard server slots

Server memory for heavy workloads

This 16 GB DDR4 module runs at 2666 MHz with CL19 latency and operates at 1.20 V. It is built for servers and workstations that need ECC protection and registered signal processing. The 288-pin DIMM format fits compatible enterprise platforms.

Thermals and power in normal use

The module draws 1.20 V and has no heat spreader, relying on chassis airflow for cooling. Registered buffering reduces the electrical load on the memory controller during sustained operation. Standard DDR4 power characteristics apply under typical server workloads.

Upgrade path and when it matters

This kit replaces lower-capacity or non-ECC DDR4 DIMMs in systems that support registered memory and Intel XMP 2.0 profiles. The jump is worthwhile when error correction and signal integrity are required for data integrity. It is not suited for consumer boards that only accept unbuffered memory.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $374.99
Pricier than about 65% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $23.44 per GB
Pricier than about 84% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTH-PL426D8/16G
Total capacity16 GB
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Memory profilesIntel XMP 2.0
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.02 kg
Package size168 × 51 × 15 mm

Questions about this item

How do I install the 288-pin DDR4 DIMM and what step is often missed?

Align the notch on the module with the slot key, press firmly until both retention clips click, then verify the registered ECC module is recognised in BIOS at 2666 MHz with CL19 timings.

What maintenance or replacement will the 16 GB registered ECC module need over time?

No routine maintenance is required; if errors appear, run a memory diagnostic and replace the module if it fails, as ECC cannot correct every fault.

What limit appears first when the 1.2 V DDR4-2666 CL19 kit runs sustained workloads?

The CL19 latency at 2666 MHz sets the throughput ceiling; thermal throttling is unlikely without a heat spreader, so bandwidth tops out at the rated PC4-21300 speed.

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