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Green rectangular 260-pin DDR4 SODIMM module with black chips, no heat spreader

A-Tech

A-Tech 16GB DDR4 2666MHz ECC SODIMM CL19 1.2V 260-Pin L24981-002

SKU CH-98B5-ZQK8C

16 GB DDR4 2666 MHz ECC SODIMM module for HP Microserver and workstation upgrades

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for HP L24981-002
  • 16GB capacity expands multitasking headroom for demanding workloads
  • ECC protection detects and corrects single-bit memory errors
  • DDR4 2666MHz speed delivers PC4-21300 bandwidth for responsive performance
  • 260-pin SODIMM form factor fits compatible laptop and microserver slots
  • 2V standard voltage keeps power draw low and thermals manageable

HP L24981-002 Compatible Memory

This 16 GB DDR4 SODIMM replaces the HP L24981-002 module in supported microservers and workstations. It brings ECC protection to systems that require error-correcting memory for data integrity. The unbuffered design fits standard laptop-style slots without registered buffering.

Sustained Workload Behaviour

ECC circuitry detects and corrects single-bit errors continuously during long compute jobs or file-server duties. The CL19 timing and 2666 MHz data rate remain stable across extended sessions rather than only in brief bursts. Dual-rank organisation helps maintain throughput when multiple threads access memory simultaneously.

Thermals Noise and Power

Operating at the standard 1.2 V DDR4 voltage keeps power draw low inside compact chassis. No heat spreader is fitted, so the module relies on system airflow for cooling. Passive operation adds no fan noise, making it suitable for quiet rack or desktop deployments.

How it compares

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

Price $157.99
Pricier than about 72% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $9.87 per GB
Pricier than about 79% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for HP
Model nameL24981-002
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forCompatible Replacement for HP L24981-002

Questions about this item

Does the 1.20 V DDR4 2666 MHz ECC SODIMM run hotter or draw more power than standard non-ECC laptop memory?

It operates at the standard 1.20 V DDR4 voltage and has no heat spreader, so thermal output and power draw are comparable to other DDR4 SODIMMs at the same speed.

What must my laptop or microserver already provide to accept this 260-pin ECC unbuffered module?

A DDR4 SO-DIMM slot that supports ECC unbuffered memory at 2666 MHz and a BIOS/UEFI that enables ECC functionality.

If I keep older DDR4 2666 MHz non-ECC sticks in the other slots, will this ECC module still function?

Mixing ECC and non-ECC modules typically disables ECC across all channels; the module will still run but without error correction.

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