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Green circuit board with black memory chips, no heat spreader, 288 gold pins, single 16GB DDR4 DIMM

Kingston Technology Corp.

Kingston Technology Corp. KTH-PL426E/16G 16GB DDR4 2666 CL19 ECC server RAM

SKU CH-8Q3A-FPJPA MPN KTH-PL426E/16G

16 GB DDR4 ECC module runs at 2666 MHz with CL19 latency for servers and workstations

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • ECC protection guards data integrity in critical workloads
  • 2666 MHz DDR4 speed handles demanding applications smoothly
  • 16 GB capacity runs multiple heavy programs together
  • Unbuffered 288-pin design ensures broad workstation compatibility
  • 20 V operation reduces power draw and heat

16 GB DDR4 ECC module

This 16 GB DDR4 memory module adds error-correcting capacity to compatible workstations and desktop PCs. It operates at 2666 MHz with CL19 latency and runs on 1.20 V through a 288-pin DIMM interface. The unbuffered design keeps signal paths short for direct processor access.

Capacity and headroom

The 16 GB density suits memory-intensive workloads such as virtualisation, large datasets or multi-application sessions. ECC protection guards data integrity during extended compute tasks. Headroom diminishes when total system demand exceeds the installed capacity, at which point paging to storage becomes necessary.

Build integration

The module fits standard 288-pin DDR4 slots in supported HP ProLiant and Z2 workstation platforms. Unbuffered operation requires no registered memory controller support. A single 16 GB stick leaves additional DIMM slots free for future expansion. The 1.20 V rating matches typical DDR4 power delivery.

How it compares

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

Price $274.99
Pricier than about 59% 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 $17.19 per GB
Pricier than about 78% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTH-PL426E/16G
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

Will this CL19 ECC DIMM work alongside my existing DDR4 2666 modules in a dual-channel setup?

Yes, it is a 288-pin DDR4 2666 CL19 unbuffered ECC module; matching speed, voltage (1.20V), latency and ECC type lets it run in dual-channel with identical sticks.

How do I verify the module is running at 2666 MHz with ECC active after installation?

Enter BIOS/UEFI or use a tool like CPU-Z and confirm the memory frequency shows 2666 MHz (PC4-21300), CAS latency 19, 1.20 V and ECC status reported as enabled.

Does the single 16 GB stick ship with a heat spreader, or do I need to buy cooling separately?

The module has no heat spreader; it ships as a bare 288-pin DIMM, so no extra cooling is required for standard desktop or workstation use.

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