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Two green DDR3 SODIMM sticks, black chips, gold contacts

Computer Memory Solutions

Computer Memory Solutions 8GB (2×4GB) DDR3 1066MHz CL7 SODIMM memory upgrade

SKU CH-7B4Y-B5DM1

8GB dual-channel DDR3 kit at 1066 MHz CL7 for HP Pavilion dv6-2155dx, dv6-2154ev and dv6-2153el notebooks

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB kit enables full 64-bit OS memory use
  • DDR3 1066MHz CL7 timing matches system specification
  • 2×4GB unbuffered SODIMM fits both notebook slots
  • 5V standard voltage ensures stable operation
  • Major-brand chipset modules backed by CMS lifetime warranty

Compatible 8 GB DDR3 kit

This 8 GB kit contains two 4 GB SODIMM modules built for HP Pavilion notebooks dv6-2155dx, dv6-2154ev and dv6-2153el. It runs at 1066 MHz with CL7 timings and 1.5 V operation. The unbuffered, non-ECC design matches the factory specification for those models.

Standard voltage and latency

Each module operates at the rated 1.5 V with 7-7-7 timing, drawing normal power for DDR3 1066 memory. No heat spreader is fitted, so the sticks rely on the notebook’s existing airflow. Acoustic behaviour is unchanged because the memory itself has no moving parts.

Two sticks for dual-channel use

The pair enables dual-channel operation on the two available sockets, giving the full 8 GB when a 64-bit operating system is installed. A 32-bit OS will only recognise up to 3.5 GB. No extra software or accessories are included beyond the two modules.

Highlights

  • 8GB kit enables full 64-bit OS memory use
  • DDR3 1066MHz CL7 timing matches system specification
  • 2×4GB unbuffered SODIMM fits both notebook slots
  • 5V standard voltage ensures stable operation
  • Major-brand chipset modules backed by CMS lifetime warranty

Specifications

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 SystemHp Pavilion Notebook Dv6-2155Dx, Dv6-2154Ev, Dv6-2153El
Package Content2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin SODIMM modules in my HP Pavilion dv6-2155dx, and what step is often missed?

Power off, remove battery, open the memory door, insert each module at an angle until the gold contacts hide, then press down until both side clips click. The step often missed is fully seating both clips so the sticks do not work loose.

Will the 1.5 V DDR3 kits need any maintenance or replacement during the laptop's life?

No routine maintenance is required; the modules have no heat spreader and no moving parts. Replacement is only needed if a stick fails, which is covered by the manufacturer's limited lifetime warranty.

What limit appears first when running the CL7 1066 MHz memory under sustained load?

The platform caps usable memory at 3.5 GB with a 32-bit operating system; a 64-bit OS is required to address the full 8 GB kit capacity.

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