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Green circuit board 204-pin SODIMM memory module black chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 4GB DDR3 1066MHz SODIMM for Lenovo B460/G B550G B560G G460 G560

SKU CH-7DS5-SJDN4

A 4 GB DDR3 1066 MHz SODIMM module with CL7 timing for compatible Lenovo notebooks

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 4GB capacity expands multitasking headroom on compatible Lenovo notebooks
  • DDR3 1066MHz speed matches PC3-8500 spec for supported B and G series
  • CL7 7-7-7 timings deliver responsive access at 1.5V
  • 204-pin SODIMM form factor fits factory memory slots directly
  • 2Rx8 unbuffered design works within two-slot 32-bit or 64-bit limits

System-specific DDR3 SODIMM

This 4 GB DDR3 module is built for Lenovo B460/G, B550G, B560G, G460 and G560 notebooks. It installs as a single 204-pin SO-DIMM running at 1066 MHz with CL7 timings. The kit suits owners of those models who need a direct replacement or a capacity increase.

Thermals and power

The stick operates at the standard 1.5 V DDR3 voltage and has no heat spreader. Unbuffered, non-ECC chips keep power draw low and produce no audible noise in normal laptop use.

Deciding specification

Capacity is 4 GB in a single rank 2Rx8 configuration. Buyers whose Lenovo model only accepts one module or whose 32-bit operating system limits usable memory to 4 GB will find this the correct part. Builders needing more than 4 GB per slot should look elsewhere.

Highlights

  • 4GB capacity expands multitasking headroom on compatible Lenovo notebooks
  • DDR3 1066MHz speed matches PC3-8500 spec for supported B and G series
  • CL7 7-7-7 timings deliver responsive access at 1.5V
  • 204-pin SODIMM form factor fits factory memory slots directly
  • 2Rx8 unbuffered design works within two-slot 32-bit or 64-bit limits

Specifications

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 SystemLenovo B460/G, B550G, B560G, G460, G560
Package Content1 Memory RAM Stick

Questions about this item

How do I install this 204-pin SODIMM in my Lenovo G560, and what step do people often miss?

Power off the laptop, remove the battery, open the memory compartment, align the notch on the 204-pin module with the slot key, insert at an angle, then press down firmly until both side clips click; the step often missed is fully seating the module so both clips engage.

Will this 4GB DDR3 1066MHz module need any maintenance or replacement later?

No routine maintenance is required; the module has no heat spreader and runs at standard 1.5V, so it typically lasts the laptop's life unless a fault develops or you upgrade to the board's 8GB maximum using both sockets.

What limit appears first when this CL7 2Rx8 kit runs sustained workloads on a Lenovo B560?

The 1066MHz DDR3 speed and dual-rank 2Rx8 organisation set the bandwidth ceiling; under heavy sustained use the memory controller hits this throughput limit before thermal throttling becomes a factor.

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