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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 4GB DDR4 2400 CL17 1.2V 260pin SODIMM HP Pavilion 27-r039 27-r040nz 27-r050ns 27-r051ns 27-r055na

SKU CH-9J12-ER32P

4 GB DDR4 2400 SODIMM adds responsive multitasking to compatible HP Pavilion 27-inch all-in-one models

  • Capacity4GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCNo
  • 4GB DDR4 2400MHz boosts multitasking responsiveness
  • CL17 latency at 1.2V for efficient operation
  • 260-pin SODIMM fits HP Pavilion 27-r039 27-r040nz 27-r050ns 27-r051ns 27-r055na
  • JEDEC compliant and ROHS certified for warranty-safe upgrade
  • Unbuffered non-ECC 1Rx8 design ensures broad compatibility

4GB DDR4 SODIMM for HP Pavilion All-in-Ones

This 4GB DDR4 2400MHz SODIMM module is built specifically for HP Pavilion 27-r039, 27-r040nz, 27-r050ns, 27-r051ns and 27-r055na systems. It targets owners of those all-in-one PCs who want a straightforward capacity increase for everyday multitasking. The module is unbuffered, non-ECC and operates at the standard 1.2V JEDEC voltage.

Low-voltage operation keeps thermals simple

Running at 1.2V with no heat spreader, the stick draws minimal power and adds negligible heat inside the compact all-in-one chassis. CL17 latency at 2400MHz follows standard JEDEC timings, so the memory controller runs at stock settings without extra voltage or fan speed. The design is fully compliant and ROHS compliant for a warranty-safe upgrade.

Drop-in upgrade for the listed models

The 260-pin SODIMM form factor matches the factory slot exactly, so installation only requires opening the access panel and seating the module. No BIOS changes, driver installs or cable routing are needed. Buyers who need more than a single 4GB module or who own a different HP model should verify their system's maximum supported capacity and slot count before purchasing.

Points forts

  • 4GB DDR4 2400MHz boosts multitasking responsiveness
  • CL17 latency at 1.2V for efficient operation
  • 260-pin SODIMM fits HP Pavilion 27-r039 27-r040nz 27-r050ns 27-r051ns 27-r055na
  • JEDEC compliant and ROHS certified for warranty-safe upgrade
  • Unbuffered non-ECC 1Rx8 design ensures broad compatibility

Caractéristiques

BrandOWC
Part Number2S4D41R804GB
Capacity4GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemHP Pavilion 27-r039
HP Pavilion 27-r040nz
HP Pavilion 27-r050ns
HP Pavilion 27-r051ns
HP Pavilion 27-r055na

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Questions sur cet article

How do I install this 260-pin SODIMM in my HP Pavilion 27-r050ns, and what step do people often miss?

Power off the all-in-one, unplug it, then press the power button for five seconds to drain residual charge before opening the memory door and seating the module until the clips click.

What maintenance or replacement will this 4GB DDR4 module need later?

No routine maintenance is required; the module has no heat spreader or moving parts, so replacement is only necessary if a fault develops or you upgrade to a higher capacity.

What limit appears first when this CL17 1.2V memory runs under sustained load?

The 4GB capacity is the first bottleneck; once the operating system exhausts physical memory it begins swapping to storage, which slows responsiveness far more than the CL17 latency or 1.2V operation.

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