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Green rectangular DDR2 SO-DIMM module with gold contacts and black chips

Computer Memory Solutions

Computer Memory Solutions CM512646400SO 4GB DDR2 800 SO-DIMM

SKU CH-8N44-J7YV5

4GB DDR2 800 SO-DIMM 200-pin module compatible with Compaq Presario CQ61 models

  • Capacity4GB
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 800 (PC2 6400)
  • CAS LatencyCL6
  • Timing6-6-6
  • Voltage1.8V
  • 4 GB capacity adds multitasking headroom for compatible Compaq Presario CQ61 models
  • DDR2 800 speed (PC2 6400) matches original system specification
  • CL6 6-6-6 timing delivers responsive data access
  • 8 V unbuffered SO-DIMM fits 200-pin laptop slots directly
  • Single 4 GB module leaves second socket free for future expansion

CMS 4GB DDR2-800 SO-DIMM for Compaq Presario

This 4GB module uses 200-pin DDR2 SO-DIMM technology rated at 800 MHz with CL6 timing and 1.8 V operation. It is built as a single 2Rx8 unbuffered stick without a heat spreader and carries a major-brand chipset. The part is validated for Compaq Presario CQ61-100EE, CQ61-100ES and CQ61-100EW notebooks.

Suitable for CQ61 owners needing a single 4GB

Owners of the listed Compaq Presario models can install this stick to reach the per-socket limit of 4GB. Buyers whose laptops use a different pin count, voltage or memory generation cannot use this module. Systems that require ECC or registered memory should look elsewhere.

Deciding spec: 200-pin DDR2 SO-DIMM at 800 MHz

The 200-pin DDR2 SO-DIMM form factor running at 800 MHz is the single specification that determines fit. If the target notebook accepts PC2-6400 200-pin DDR2 SO-DIMMs, this module will work; otherwise it will not seat or function.

Punti di forza

  • 4 GB capacity adds multitasking headroom for compatible Compaq Presario CQ61 models
  • DDR2 800 speed (PC2 6400) matches original system specification
  • CL6 6-6-6 timing delivers responsive data access
  • 8 V unbuffered SO-DIMM fits 200-pin laptop slots directly
  • Single 4 GB module leaves second socket free for future expansion

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM512646400SO
Capacity4GB
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 800 (PC2 6400)
CAS LatencyCL6
Timing6-6-6
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemCompaq Presario Cq61-100Ee, Cq61-100Es, Cq61-100Ew
Package Content1 Memory RAM Stick

Domande su questo articolo

Does the 200-pin DDR2 SO-DIMM slot need to be free on my Compaq Presario CQ61?

Yes, the module fits a single 200-pin DDR2 SO-DIMM socket; one slot must be vacant for installation.

Can I keep the existing memory stick when adding this 4GB DDR2 800 module?

The notebook supports two sockets with a maximum of 4 GB each, so a second module can stay installed alongside this one.

How do I confirm the 800 MHz speed and CL6 timing are active after installing the CM512646400SO?

Check the memory tab in CPU-Z or the BIOS memory information screen; both should report DDR2-800 and 6-6-6 timings.

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