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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz CL9 SODIMM ThinkPad T420 4177 4178 4180 4236 memory upgrade

SKU CH-R2CQ-J8ZZY

An 8 GB DDR3 SODIMM kit (2 × 4 GB) rated at 1333 MHz CL9 for Lenovo ThinkPad T420 models 4177, 4178, 4180 and 4236

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 8GB dual-channel kit boosts multitasking on ThinkPad T420
  • 1333 MHz DDR3 speed matches factory specification for stable operation
  • CL9 latency and 1.5V voltage keep power draw low
  • 204-pin SODIMM form factor fits both memory slots directly
  • Tested compatible with 4177, 4178, 4180 and 4236 series

8GB DDR3 Kit for ThinkPad T420

This 8GB kit delivers two 4GB DDR3 1333MHz SODIMM modules built for Lenovo ThinkPad T420 series laptops including the 4177, 4178, 4180 and 4236 models. It targets owners who want to reach the platform maximum of 16GB using both slots.

204-pin unbuffered non-ECC modules

Each stick uses a 204-pin SO-DIMM edge connector with 1Rx8 organisation and major-brand chips. The CL9 9-9-9 timing and 1.5V voltage match the factory specification so the laptop recognises the pair without BIOS changes.

Low-voltage DDR3 operation

Running at 1.5V the modules draw minimal power and produce little heat inside the tight chassis. No heat spreader is fitted, keeping the profile thin enough for the factory slot spacing. Fan noise and thermals stay at stock levels.

Pontos fortes

  • 8GB dual-channel kit boosts multitasking on ThinkPad T420
  • 1333 MHz DDR3 speed matches factory specification for stable operation
  • CL9 latency and 1.5V voltage keep power draw low
  • 204-pin SODIMM form factor fits both memory slots directly
  • Tested compatible with 4177, 4178, 4180 and 4236 series

Especificações

BrandComputer Memory Solutions
ModelCM5126410600SOSRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Thinkpad T420 4177, 4178, 4180, 4236 Series
Package Content2 Memory RAM Sticks

Perguntas sobre este artigo

What speed does the DDR3 1333MHz SODIMM run at in a ThinkPad T420?

The kit is rated at DDR3-1333 (PC3-10600) with CL9 timing; the T420 memory controller caps DDR3 at 1333 MT/s, so the modules will operate at their rated speed.

Does the 204-pin SO-DIMM fit the ThinkPad T420 memory slots?

Yes — each module is a 204-pin DDR3 SO-DIMM, which matches the two slots in the T420 4177, 4178, 4180 and 4236 series.

How do I install the two 4GB sticks and which slot order matters?

Power off, remove the battery, open the bottom memory door, insert both sticks at 30° until the clips snap; the T420 has no preferred slot order for a matched pair.

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