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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 4GB DDR3 1066MHz SODIMM for Compaq Presario Cq56 memory upgrade

SKU CH-K1JV-MD5VT

A 4 GB DDR3 1066 MHz SODIMM module built for Compaq Presario CQ56 notebooks

  • Capacity64MB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 4 GB capacity expands multitasking headroom on compatible notebooks
  • DDR3 1066 MHz speed matches PC3-8500 spec for drop-in upgrades
  • CL7 7-7-7 timings deliver low latency for responsive performance
  • 204-pin SODIMM form factor fits Compaq Presario CQ56 slots directly
  • 5 V unbuffered non-ECC design ensures broad laptop compatibility

CMS 4 GB DDR3 SODIMM for CQ56

This 4 GB DDR3 SODIMM runs at 1066 MHz with CL7 timings and 1.5 V operation. It is built for HP and Compaq Presario CQ56 notebooks that accept a single 204-pin unbuffered module. The kit contains one stick ranked 2Rx8 using major-brand chips.

DDR3 1066 limits for older notebooks

The DDR3 1066 interface caps bandwidth at the PC3 8500 rate, so data throughput is fixed by the platform memory controller. Systems that only support this speed cannot use faster DDR3 modules at their rated frequency. Buyers who want more storage or higher memory clocks must choose a newer laptop platform.

Single stick with no heat spreader

The bare green PCB fits tight SODIMM slots without clearance issues. Absence of a heat spreader keeps the module thin for cramped chassis but offers no thermal headroom for sustained loads. This module is not for builders who need a second card or dual-channel kits.

Punti di forza

  • 4 GB capacity expands multitasking headroom on compatible notebooks
  • DDR3 1066 MHz speed matches PC3-8500 spec for drop-in upgrades
  • CL7 7-7-7 timings deliver low latency for responsive performance
  • 204-pin SODIMM form factor fits Compaq Presario CQ56 slots directly
  • 5 V unbuffered non-ECC design ensures broad laptop compatibility

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity64MB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemCompaq Presario Notebook Cq56
Package Content1 Memory RAM Stick

Domande su questo articolo

Is the 4 GB module the only capacity available for this CQ56 upgrade?

The listing shows a single 4 GB SODIMM (1×4 GB) as the offered configuration.

What does the 1066 MHz rating mean once the stick is installed in my CQ56?

The module will run at DDR3-1066 (PC3-8500) with CL7 7-7-7 timings at 1.5 V, delivering the rated bandwidth the notebook's memory controller supports.

Will the 204-pin DDR3 SODIMM fit the CQ56's memory slot without an adapter?

Yes — it is a standard 204-pin DDR3 SO-DIMM, the native form factor for the CQ56's DDR3 memory socket.

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