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Green rectangular circuit board with black memory chips and gold edge connectors

A-Tech

A-Tech 32GB DDR4 2666 CL19 288-Pin Desktop RAM

SKU CH-C3CF-4T85W

A 32GB DDR4 2666 CL19 unbuffered DIMM built as a compatible replacement for HP L43762-001 desktop systems

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 32 GB capacity enables heavy multitasking with a single 288-pin DIMM
  • 2666 MHz DDR4 speed rated at PC4-21300 for fast data throughput
  • CL19 latency and 1.2 V operation keep timing tight and power low
  • Non-ECC unbuffered design matches standard desktop motherboard requirements
  • Tested as direct replacement for HP part L43762-001

HP L43762-001 Replacement Module

This 32GB DDR4 DIMM is a direct replacement for the HP L43762-001 part number. It targets desktop owners who need a single high-capacity stick to expand system memory without mixing kits. The module uses a standard 288-pin layout and runs at 1.20V.

Standard Voltage Unbuffered Operation

Rated at DDR4 2666 with CL19 latency, the stick operates at the JEDEC 1.20V baseline. Unbuffered non-ECC organisation keeps the electrical load light on the memory controller. No heat spreader is fitted, so airflow across the bare PCB handles the modest thermal output.

Sustained Workload Behaviour

Under continuous load the module maintains its 2666 frequency without down-clocking. The major-brand chipset and factory testing are intended to deliver stable throughput for extended multitasking sessions. Compatibility should still be verified against the motherboard's qualified-vendor list before installation.

Highlights

  • 32 GB capacity enables heavy multitasking with a single 288-pin DIMM
  • 2666 MHz DDR4 speed rated at PC4-21300 for fast data throughput
  • CL19 latency and 1.2 V operation keep timing tight and power low
  • Non-ECC unbuffered design matches standard desktop motherboard requirements
  • Tested as direct replacement for HP part L43762-001

Specifications

BrandA-Tech
SeriesCompatible Replacement for HP
ModelL43762-001
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesL43762-001
Recommend UseCompatible Replacement for HP L43762-001

Questions about this item

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

Align the notch on the module with the key in the slot, press down firmly until both side clips click shut, then verify the system reports the full 32GB at 2666 MHz in BIOS.

What maintenance or replacement will the 32GB DDR4 2666 CL19 module need later?

No scheduled maintenance is required; keep the contacts dust-free and ensure the motherboard continues to supply 1.20 V, replacing the module only if memory errors appear.

What limit appears first when the 32GB DDR4 2666 module runs sustained workloads?

The CL19 latency at 2666 MHz sets the throughput ceiling, so bandwidth saturates before the 1.20 V thermal envelope becomes a constraint.

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