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

OWC

OWC 8S5D31R802GB 2GB DDR3 1066 PC3-8500 CL7 204-pin 1.5V Non-ECC SODIMM memory upgrade

SKU CH-G0AX-0WNJT

2GB DDR3 1066MHz SODIMM module upgrades HP Pavilion dm4 series laptops with CL7 timing and 1.5V operation

  • Total capacity2 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 2GB capacity adds responsive multitasking headroom
  • DDR3 1066 PC3-8500 CL7 matches HP Pavilion dm4 specs
  • 5V JEDEC standard voltage ensures stable operation
  • 204-pin SODIMM form factor fits laptop memory slots
  • Non-ECC unbuffered design for consumer system compatibility

Single-module upgrade for HP Pavilion dm4

This 2 GB DDR3 SODIMM is built specifically for HP Pavilion dm4 series laptops that use DDR3 memory. The module follows the PC3-8500 1066 MHz CL7 JEDEC standard and runs at 1.5 V. It arrives new and ready for a straightforward user installation.

Suitable for dm4 owners adding one stick.

Owners of compatible HP Pavilion dm4 models can use this stick to add 2 GB of memory in a single slot. Systems that need a different form factor, a different DDR generation, ECC support, registered buffering, or a voltage other than 1.5 V cannot use this module. Builders working on desktops, servers, or other laptop families should look elsewhere.

The deciding specification is the 204-pin DDR3

Only platforms that accept a 204-pin unbuffered non-ECC DDR3 SODIMM at 1.5 V can install this part. Verify the service manual for your exact dm4 model before purchase, because the slot type and voltage requirement are the single factors that determine physical and electrical compatibility.

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 2 GB
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $9.00 per GB
Typical for this category: the median of 20,941 items is $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 number8S5D31R802 GB
Total capacity2 GB
Product type204-Pin DDR3 Non-ECC SODIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHP Pavilion dm4 Series using DDR3 Memory

Other versions of this model

5 more in the same range

Questions about this item

What laptop do I need to install this 204-pin DDR3 SODIMM in?

This module is validated for HP Pavilion dm4 series notebooks that use DDR3 memory.

Will this CL7 1066 MHz stick run with my existing PC3-8500 memory?

Yes, it matches the same DDR3 1066 PC3-8500 CL7 specification so it will operate alongside identical modules.

How can I confirm the 2 GB module is recognised after fitting it?

Check the system BIOS or OS memory report — it should show the additional 2 GB at 1066 MHz.

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