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Green rectangular SoDIMM module with black memory chips and gold contacts

HP

HP 4UY11AA#ABA 8GB DDR4 2666 ECC SoDIMM

SKU CH-HSV5-QQCBQ MPN 4UY11AA#ABA

An 8 GB DDR4 2666 ECC SoDIMM for compatible HP mobile workstations and notebooks

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • ECC protects data integrity in critical workloads
  • 8 GB capacity adds responsive multitasking headroom
  • 2666 MHz DDR4 speed matches platform specifications
  • 260-pin SoDIMM fits supported mobile workstations
  • Validated for HP ZBook and EliteBook 1050 G1 systems

8GB DDR4 2666 ECC SoDIMM for HP mobile workstations

This 8GB DDR4 2666 ECC SoDIMM adds error-correcting memory to compatible HP ZBook and EliteBook notebooks. It targets professionals who need data integrity for engineering, rendering or scientific workloads on supported mobile platforms. The 260-pin module installs directly into the factory memory slots of the listed devices.

Thermals noise and power draw

DDR4 2666 SoDIMM modules operate at the standard 1.2 V for this generation, keeping heat output low inside thin workstation chassis. No active cooling is required and the module adds no audible noise to the system. Power draw remains within the platform's normal memory budget during typical workloads.

ECC and HP-qualified compatibility

On-board ECC detects and corrects single-bit errors, reducing silent data corruption in long compute sessions. The part is validated for ZBook Studio, ZBook 15, ZBook 17, ZBook 14u, ZBook 15u, ZBook Create and EliteBook 1050 models across multiple generations. Using HP-qualified memory avoids POST errors or throttling that can occur with unvalidated modules.

Highlights

  • ECC protects data integrity in critical workloads
  • 8 GB capacity adds responsive multitasking headroom
  • 2666 MHz DDR4 speed matches platform specifications
  • 260-pin SoDIMM fits supported mobile workstations
  • Validated for HP ZBook and EliteBook 1050 G1 systems

Specifications

BrandHP
Model4UY11AA#ABA
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
ECCYes
Shipping weight0.09 kg
Package size229 × 152 × 13 mm

Questions about this item

How do I install the 260-pin SoDIMM in my ZBook 15 G5, and what step is often missed?

Align the notch on the module with the slot key, insert at a 30-degree angle until the gold contacts are fully seated, then press down firmly until both side clips click — the click is the step people skip.

Will the ECC DDR4 2666 module need any maintenance or replacement during the notebook's life?

No scheduled maintenance is required; the module is a solid-state component rated for the system's service life and is only replaced if a memory error is logged or a capacity upgrade is desired.

What limit appears first when the 8GB ECC SoDIMM runs sustained workloads in a ZBook Studio G5?

The 8 GB capacity ceiling is reached before any thermal or speed throttle, causing the OS to swap to storage once the working set exceeds the installed memory.

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