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Green circuit board SODIMM module with black memory chips and gold edge connector

OWC

OWC 4GB DDR3 1600 CL11 1Rx8 204-pin 1.5V SODIMM for HP Pavilion TouchSmart 23

SKU CH-HGMD-YM9BZ

A 4 GB DDR3 SODIMM upgrade for HP Pavilion TouchSmart 23 series, running at 1600 MHz with CL11 latency

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • Boosts responsiveness with a 4GB DDR3 1600 CL11 module
  • JEDEC and RoHS compliant for a warranty-safe upgrade
  • Designed and tested to meet or exceed OEM specifications
  • Simple DIY installation supported by OWC video guides
  • Compatible with HP Pavilion TouchSmart 23 series using DDR3 memory

OWC 4GB DDR3 SODIMM for HP TouchSmart 23

This 4GB DDR3 1600 CL11 module is built specifically for the HP Pavilion TouchSmart 23 series. It uses a 204-pin SODIMM form factor and runs at 1.5V without ECC or buffering. The single-rank 1Rx8 design meets JEDEC standards for a direct, warranty-safe upgrade.

Suits owners of a compatible TouchSmart 23 needing

Buyers whose TouchSmart 23 uses a different memory generation or requires a higher total capacity than one 4GB module provides should look elsewhere. Systems that need ECC, registered DIMMs or a voltage other than 1.5V cannot use this part.

The deciding spec is DDR3 1600 CL11 at 1.5V

Match this exact speed, latency, voltage and pin count to the HP service documentation for your TouchSmart 23 model. Only when every value aligns will the module be recognised and run stably.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.50 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1S6D31R804 GB
Total capacity4 GB
Product type204-Pin DDR3 Non-ECC SODIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHP Pavilion TouchSmart 23 Series using DDR3 Memory

Other versions of this model

5 more in the same range

Questions about this item

What type of memory slot must the HP Pavilion TouchSmart 23 have to accept this 204-pin DDR3 SODIMM?

The system needs a DDR3 SO-DIMM slot that supports 204-pin modules running at 1.5V.

Will this CL11 1600 MHz module run correctly if the other installed stick is slower DDR3 memory?

Yes, the module will down-clock to match the slower stick's speed and latency while keeping 1.5V operation.

How can I confirm the upgrade is recognised at the full 1600 MHz speed after installation?

Open Task Manager or a system-information tool and verify the memory shows 1600 MHz and 4 GB capacity.

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