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Green circuit board with black memory chips, gold edge connector, thin rectangular SODIMM module

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 4GB DDR3 1066MHz CL7 SODIMM memory upgrade

SKU CH-P8B7-PK0RR

4GB DDR3 1066MHz CL7 SODIMM upgrade for compatible Acer Aspire 7551 models

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • Guaranteed compatibility with Acer Aspire 7551 series laptops
  • 4 GB capacity adds responsive multitasking headroom
  • DDR3 1066 MHz CL7 timing delivers snappy data access
  • 5 V unbuffered SODIMM installs without extra cooling
  • Single 204-pin module upgrades one slot instantly

Memory upgrade for Acer Aspire 7551

This 4 GB DDR3 SO-DIMM module is built for Acer Aspire 7551 series laptops including the 7551-7422, 7551-3634 and 7551-2531 models. It runs at 1066 MHz with CL7 timings and 1.5 V unbuffered operation. The single 204-pin stick uses a 2Rx8 layout without a heat spreader.

Suitable for owners of listed models needing

Buyers with laptops outside the Acer Aspire 7551 family should verify their exact memory requirements before purchasing. Systems that need ECC or registered modules cannot use this unbuffered non-ECC stick. Laptops limited to a single memory slot gain no further capacity from this kit.

DDR3 1066 CL7 204-pin SO-DIMM specification

The PC3-8500 speed rating and CL7 latency define whether this module matches the original hardware. Confirm the target laptop accepts 2Rx8 unbuffered DDR3 at 1.5 V to ensure correct operation.

Points forts

  • Guaranteed compatibility with Acer Aspire 7551 series laptops
  • 4 GB capacity adds responsive multitasking headroom
  • DDR3 1066 MHz CL7 timing delivers snappy data access
  • 5 V unbuffered SODIMM installs without extra cooling
  • Single 204-pin module upgrades one slot instantly

Caractéristiques

BrandComputer Memory Solutions
ModelCM512648500SODRH
Capacity4GB
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 SystemAcer Aspire 7551-7422, 7551-3634, As7551-2531
Package Content1 Memory RAM Stick

Questions sur cet article

Will this 204-pin DDR3 SO-DIMM fit my Acer Aspire 7551-7422 notebook?

Yes, the module is listed as compatible with the Acer Aspire 7551-7422, 7551-3634, 7551-2531 and 7551-3464 models.

Can I keep my existing PC3-8500 CL7 memory and add this 4 GB stick?

It runs at 1066 MHz with 7-7-7 timing and 1.5 V, matching the PC3-8500 CL7 specification so it will operate alongside identical modules.

How do I confirm the new memory is detected at 1066 MHz after installation?

Check the BIOS memory information or a system utility such as CPU-Z; it should report 4 GB, DDR3-1066 and CL7 latency.

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