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Two green DDR3 SO-DIMM sticks, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM5126412800SODRH 8GB (2x4GB) DDR3 1600MHz memory upgrade

SKU CH-KD94-7G8B9

Two 4 GB DDR3 SO-DIMM modules at 1600 MHz for Sony Vaio VPCEE25FB, VPCEE25FX, VPCEE26FX and VPCEE26FL

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.5V
  • 8 GB total capacity from two matched 4 GB modules
  • DDR3 1600 MHz speed rated at PC3 12800 bandwidth
  • CL11 latency with 11-11-11 timing for responsive operation
  • 204-pin unbuffered non-ECC SO-DIMM fits listed Sony Vaio models
  • 5 V standard voltage ensures broad DDR3 laptop compatibility

Sony Vaio Vpcee Series Compatibility

This 8 GB kit contains two 4 GB DDR3 SO-DIMM modules built for the Sony Vaio Vpcee25Fb, Vpcee25Fx, Vpcee26Fx and Vpcee26Fl notebooks. It targets owners of those models who need to reach the platform maximum of 8 GB. Buyers with other laptops or desktop systems cannot use this memory.

Kit Configuration and Voltage

The pair of unbuffered, non-ECC sticks installs directly into the two available slots, delivering the full 8 GB capacity in a matched set. Each module operates at the standard 1.5 V DDR3 voltage, while the platform also supports 1.35 V low-voltage operation. No heat spreaders or additional software are included in the package.

DDR3 1600 CL11 Specification

The memory runs at 1600 MHz (PC3-12800) with CAS latency 11 and 11-11-11 timings on a 204-pin interface. This speed and latency combination determines whether the upgrade will function correctly in the listed Vaio models. Systems requiring a different DDR generation, higher frequency or lower latency will not be compatible.

Highlights

  • 8 GB total capacity from two matched 4 GB modules
  • DDR3 1600 MHz speed rated at PC3 12800 bandwidth
  • CL11 latency with 11-11-11 timing for responsive operation
  • 204-pin unbuffered non-ECC SO-DIMM fits listed Sony Vaio models
  • 5 V standard voltage ensures broad DDR3 laptop compatibility

Specifications

BrandComputer Memory Solutions
ModelCM5126412800SODRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Timing11-11-11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemSony Vaio Vpcee25Fb, Vpcee25Fx, Vpcee26Fx, Vpcee26Fl
Package Content2 Memory RAM Sticks

Questions about this item

Will the 2Rx8 rank configuration ever require replacement if the Sony Vaio motherboard only accepts single-rank modules?

The kit uses 2Rx8 dual-rank chips; if the specific Vaio model requires single-rank memory the modules may not be recognised and would need to be swapped for single-rank equivalents.

What speed ceiling appears first when the CL11 1600 MHz modules run continuously in a Vaio limited to DDR3-1066?

The laptop's memory controller caps operation at 1066 MHz, so the 1600 MHz sticks will downclock to that lower frequency as soon as sustained workloads begin.

How much heat and power do the 1.5 V unbuffered SO-DIMMs generate during all-day use?

At the rated 1.5 V the pair draws standard DDR3 SO-DIMM power and produces modest heat; no heat spreader is fitted, so airflow in the Vaio chassis handles cooling.

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