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Green rectangular DDR4 server DIMM with black chips no heat spreader 288 gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KTH-PL426S8/8G 8GB DDR4 2666 CL19 ECC Registered 1Rx8 288-pin server RAM

SKU CH-VRFM-HJ079 MPN KTH-PL426S8/8G

ECC registered DDR4 DIMM runs at 2666 MHz with CL19 latency for reliable server workloads

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank1Rx8
  • ECC protection prevents data corruption in critical workloads
  • Registered signal processing enables stable high-density server configurations
  • 2666 MHz DDR4 speed delivers responsive memory bandwidth
  • 8 GB capacity in a single 1Rx8 module simplifies upgrades
  • 288-pin DIMM form factor fits standard server memory slots

8GB DDR4 2666 ECC Registered DIMM

This 8GB DDR4 2666 CL19 module is built for servers and workstations that require error-correcting code memory. Registered signal processing reduces electrical load on the memory bus for stable operation in multi-DIMM configurations. The single-rank 1Rx8 organisation keeps latency predictable for typical enterprise workloads.

Fits 288-pin DDR4 RDIMM slots with registered buffer

The 288-pin DIMM installs in standard DDR4 RDIMM slots that support registered memory. Registered buffering allows higher module counts per channel without degrading signal integrity. XMP 2.0 profile simplifies timing configuration on platforms that expose the profile. The module operates at 1.20V and has no heat spreader, so airflow across the PCB is required.

Replaces non-ECC or unbuffered modules

Upgrading from non-ECC or unbuffered memory adds data-integrity protection and enables larger total capacities per channel. The jump is worthwhile when the platform chipset and CPU officially support registered ECC DDR4 2666. Systems limited to unbuffered memory or lower speeds cannot use this module.

How it compares

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

Price $83.99
Cheaper than about 74% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $10.50 per GB
Pricier than about 69% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameKingston
Model nameKTH-PL426S8/8G
Total capacity8 GB
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Memory profilesIntel XMP 2.0
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.05 kg
Package size161 × 47 × 6 mm

Questions about this item

What sustained-load limit appears first with this DDR4 2666 CL19 registered module?

The module runs at 1.20 V and CL19 latency; under continuous use the voltage and timing envelope is the first boundary you reach.

How much noise, heat or power does this 288-pin ECC DIMM generate when running all day?

It operates at 1.20 V without a heat spreader, so power draw stays low and the module runs silently; any warmth is handled by normal server airflow.

What must my system already have for this 1Rx8 registered stick to work?

A motherboard with 288-pin DDR4 slots that supports registered ECC memory and the DDR4 2666 (PC4 21300) speed grade.

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