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

OWC

OWC 8S5D32R804GB 4GB DDR3 1066 PC3-8500 CL7 2Rx8 204-pin 1.5V Non-ECC SODIMM for HP CQ58

SKU CH-FHGS-2XZGV

4GB DDR3 1066MHz CL7 SODIMM for HP CQ58 laptops, 204-pin 1.5V non-ECC upgrade

  • Capacity4GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • 4 GB module adds responsive multitasking to HP CQ58 laptops
  • DDR3 1066 PC3-8500 CL7 timing delivers snappy system responsiveness
  • 204-pin SODIMM form factor fits HP CQ58 DDR3 slots directly
  • 5 V unbuffered non-ECC design meets JEDEC and RoHS standards
  • Single 2Rx8 rank simplifies DIY installation without matching pairs

HP CQ58 memory upgrade

This OWC module adds 4GB of DDR3 1066 memory to HP CQ58 series laptops that use DDR3 SODIMMs. The single 204-pin stick runs at PC3-8500 speed with CL7 latency and 1.5V operation. It is an unbuffered non-ECC 2Rx8 design built to JEDEC and RoHS standards. Buyers who need more than 4GB total capacity or a different DDR generation cannot use this part.

Thermals and power in daily use

The module operates at the standard 1.5V DDR3 voltage without a heat spreader. Power draw stays within normal DDR3 SODIMM limits for typical office and web workloads. Passive cooling from the laptop chassis is sufficient because the part produces no extra heat beyond the JEDEC specification. No active fan or additional airflow is required for this memory.

What the bundle changes

The package contains only the memory module itself. No screws, tools, adapters or software discs are included. OWC provides a limited lifetime warranty with free technical support and an advanced replacement programme. An online installation video guides the DIY upgrade, but no licence keys or utility software are bundled with the hardware.

Points forts

  • 4 GB module adds responsive multitasking to HP CQ58 laptops
  • DDR3 1066 PC3-8500 CL7 timing delivers snappy system responsiveness
  • 204-pin SODIMM form factor fits HP CQ58 DDR3 slots directly
  • 5 V unbuffered non-ECC design meets JEDEC and RoHS standards
  • Single 2Rx8 rank simplifies DIY installation without matching pairs

Caractéristiques

BrandOWC
Part Number8S5D32R804GB
Capacity4GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP CQ58 Series using DDR3 Memory

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Questions sur cet article

How do I install the 204-pin SODIMM in my HP CQ58, and what step is often missed?

Power off the laptop, remove the battery if possible, open the memory compartment, align the notch on the module with the slot key, press firmly until both side clips click, then reassemble; the step often missed is ensuring both clips lock audibly.

What maintenance or replacement will this 4GB DDR3 1066 CL7 module need later?

No routine maintenance is required; the module has no heat spreader or moving parts, so replacement is only needed if a fault develops or if you later upgrade to a higher capacity supported by the CQ58.

What limit appears first under sustained use with this 1.5V 2Rx8 DDR3 SODIMM?

The 1066 MHz CL7 speed rating is the performance ceiling; under continuous load the module will not exceed this frequency, and system memory bandwidth will be limited by the DDR3 1066 specification.

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