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Green circuit board with black memory chips and gold edge connectors

Kingston Technology Corp.

Kingston Technology Corp. KTH-PN426ES8/16G 16GB DDR4 2666 CL19 ECC SO-DIMM server RAM

SKU CH-9P8K-XMWH1 MPN KTH-PN426ES8/16G

16GB DDR4-2666 ECC SO-DIMM module with CL19 latency for servers and mobile workstations

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 16 GB DDR4 capacity for demanding workloads
  • ECC protection detects and corrects data errors
  • 2666 MHz speed with CL19 latency for responsive performance
  • 20 V operation reduces power draw and heat
  • 260-pin SO-DIMM fits compatible mobile workstations

16GB DDR4 SO-DIMM for workstations

This 16GB DDR4 SO-DIMM operates at 2666 MHz with a CAS latency of CL19. It is designed for mobile workstations and workstations that require error-correcting code memory. The module runs at 1.20V and uses an unbuffered, single-rank 1Rx8 configuration.

Sustained throughput with ECC integrity

Error-correcting code protects data integrity during continuous workloads by detecting and correcting single-bit errors. The CL19 latency and 2666 MHz speed deliver stable bandwidth for extended rendering, compilation or virtualisation sessions. Intel XMP 2.0 support allows the module to run at its rated specification without manual timing adjustments.

Unbuffered 260-pin layout for direct installation

The 260-pin SO-DIMM form factor fits standard DDR4 SO-DIMM sockets in compatible mobile workstations and workstations. Unbuffered signal processing connects the DRAM directly to the memory controller for lower latency. No heat spreader is included, so airflow in the chassis manages thermals. This module is not for systems that require registered or load-reduced DIMMs.

How it compares

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

Price $66.99
Cheaper than about 79% 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 $4.19 per GB
Cheaper than about 80% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTH-PN426ES8/16G
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Memory profilesIntel XMP 2.0
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.54 kg
Package size25 × 25 × 25 mm

Questions about this item

How much power does the 1.20 V DDR4 2666 module draw when running continuously?

At 1.20 V the module operates at the standard DDR4 voltage, so power draw stays low even during all-day workloads.

What must my laptop or workstation already have to accept this 260-pin SO-DIMM?

The system needs a free DDR4 SO-DIMM slot that supports 2666 MHz unbuffered ECC memory and the Intel XMP 2.0 profile.

Will this CL19 1Rx8 stick work alongside older DDR4 2133 modules I keep installed?

Yes, the memory will down-clock to the slowest installed speed and run at the looser timings of the older modules.

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