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A-Tech

A-Tech 16GB DDR4 2133 ECC SODIMM CL15 1.20V V1D59AA

SKU CH-1RWR-W92TS

16 GB DDR4 ECC SODIMM running at 2133 MHz with CL15 latency and 1.20 V operation

  • Total capacity16 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for HP V1D59AA
  • 16 GB capacity for heavier workloads
  • ECC protection detects and corrects single-bit errors
  • DDR4 2133 MHz speed with CL15 latency
  • 20 V standard voltage for lower power draw
  • 260-pin SO-DIMM form factor fits compatible laptop slots

Target System Upgrade

This 16GB DDR4 2133 ECC SODIMM serves as a direct replacement for HP V1D59AA modules in compatible microserver, server, or workstation laptops. It adds error-correcting memory capacity to systems that require ECC unbuffered SO-DIMMs for data integrity. The module runs at 1.20V with CL15 latency and uses the standard 260-pin DDR4 SO-DIMM form factor.

Capacity and Reliability Jump

Upgrading from a smaller non-ECC module or a lower-capacity ECC stick brings 16GB of error-correcting memory in a single slot, reducing the chance of silent data corruption under sustained workloads. The jump is worth it when your platform supports ECC unbuffered DDR4 2133 and you need more headroom for virtualization, file serving, or multi-tasking without adding multiple sticks.

Compatibility Checks

Verify that your system accepts 260-pin DDR4 SO-DIMMs at 2133MHz with ECC unbuffered operation and 1.20V voltage. Confirm the maximum supported capacity per slot and total system limit in the manufacturer documentation. Ensure the BIOS or firmware recognises ECC modules, as some consumer laptops disable ECC functionality even when the hardware fits.

How it compares

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

Price $134.99
Pricier than about 68% 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 $8.44 per GB
Pricier than about 72% 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 nameV1D59AA
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forCompatible Replacement for HP V1D59AA

Questions about this item

Will this 260-pin DDR4 SODIMM fit my HP microserver that uses the V1D59AA part number?

Yes, it is a compatible replacement for the HP V1D59AA and uses the standard 260-pin DDR4 SO-DIMM form factor required by those systems.

What is the correct way to seat this ECC unbuffered module so the system recognises the full 16GB capacity?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click into the notches on the module edges.

Does the lack of a heat spreader mean I need to add cooling or replace the module sooner?

No, standard DDR4 voltage of 1.20V runs cool enough in server chassis airflow; the module is tested for lifetime reliability without a spreader.

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