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Two green DDR3 SODIMM sticks with black chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 8GB (2x4GB) DDR3 1066 MHz CL7 SODIMM memory upgrade

SKU CH-4WN0-B50VX

8GB DDR3 kit with two 4GB SODIMM modules at 1066 MHz CL7 for compatible Compaq Presario CQ56 notebooks

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB total capacity from two 4GB modules for multitasking headroom
  • DDR3 1066 MHz CL7 timing for responsive system performance
  • 204-pin SODIMM form factor fits compatible notebook slots
  • Tested for Compaq Presario CQ56 series notebook compatibility
  • Unbuffered non-ECC design with major-brand chipset for reliability

Compaq Presario CQ56 8GB DDR3 kit

This 8GB kit contains two 4GB DDR3-1066 SODIMM modules built for specific Compaq Presario CQ56 notebooks. The sticks run at CL7 timings with a standard 1.5V supply and use unbuffered, non-ECC chips. Computer Memory Solutions validates compatibility for the models listed in the specifications.

Owners of listed CQ56 models

The kit fits the Presario CQ56-115Dx, CQ56-124Ca, CQ56-148Ca and the other CQ56 variants named in the compatibility list. It is not for laptops that require a different DDR generation, a different pin count, ECC registered memory, or a voltage other than 1.5V. Buyers with those requirements should look for a module that matches their system specifications.

DDR3-1066 CL7 204-pin specification

The decisive specification is the DDR3-1066 (PC3-8500) CL7 204-pin SODIMM interface. Only notebooks that accept this exact speed, latency and physical connector will operate correctly with these two sticks.

Punti di forza

  • 8GB total capacity from two 4GB modules for multitasking headroom
  • DDR3 1066 MHz CL7 timing for responsive system performance
  • 204-pin SODIMM form factor fits compatible notebook slots
  • Tested for Compaq Presario CQ56 series notebook compatibility
  • Unbuffered non-ECC design with major-brand chipset for reliability

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity8GB (2 x 4GB)
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 Cq56-115Dx, Cq56-124Ca, Cq56-148Ca
Package Content2 Memory RAM Sticks

Domande su questo articolo

Will the two 4 GB SODIMMs need any cleaning or replacement after long-term use?

The modules are solid-state with no moving parts, so no scheduled cleaning or replacement is required under normal operation.

What limits sustained performance first — the CL7 latency or the 1066 MHz bus speed?

The 1066 MHz bus speed sets the maximum data rate, so it becomes the bottleneck before the CL7 timing does.

How much heat and power do these 1.5 V sticks produce when the laptop runs all day?

Each stick draws 1.5 V at standard DDR3 current levels, generating only modest warmth that the notebook’s existing cooling handles without extra noise.

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