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Green 204-pin DDR3 SODIMM module with black chips, single-sided layout

RIMLANCE

RIMLANCE RSO14900LS8C4 4GB 1.35V DDR3 1866MHz SODIMM 1RX8

SKU CH-5TCZ-3E4EP

A 4 GB 204-pin DDR3 SODIMM running at 1.35 V and 1866 MHz for a straightforward laptop memory upgrade

  • Total capacity4 GB
  • Buffer typeUnbuffered
  • Product type204-Pin DDR3 SO-DIMM
  • Boosts multitasking with 4GB DDR3 1866MHz speed
  • Low 1.35V voltage extends battery life
  • 204-pin SODIMM fits standard laptop slots
  • Single 1Rx8 module simplifies installation
  • Unbuffered non-ECC design ensures broad compatibility

4GB DDR3 SODIMM for notebooks

This 4GB DDR3 SO-DIMM is built for notebooks that use 204-pin unbuffered memory and operates at 1.35V. It suits owners who need a single-module upgrade to improve everyday responsiveness. Buyers who need ECC support or registered modules should look elsewhere.

Sustained-load behaviour at 1.35V

The module runs at the PC3-14900 standard of 1866MHz while maintaining the low 1.35V operating voltage during extended sessions. This combination helps keep system temperatures lower and reduces the power draw on the notebook's battery over long periods. It is designed for stable throughput rather than short bursts.

Practical limits of the DDR3 SO-DIMM interface

The 204-pin DDR3 SO-DIMM form factor caps the maximum speed at the PC3-14900 rating and the voltage at 1.35V for this module. Notebooks that require higher frequencies, lower latencies, or different pin counts cannot use this stick. Systems locked to 1.5V-only operation will also be incompatible.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 94% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $3.25 per GB
Cheaper than about 89% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameRIMLANCE
Model nameRSO14900LS8C4
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Memory
ECC supportNo
Buffer typeUnbuffered

Questions about this item

Does the 1.35 V DDR3 module run cooler than standard-voltage sticks during all-day use?

Operating at 1.35 V instead of the usual 1.5 V lowers power draw, which reduces heat output and helps the laptop stay cooler during extended sessions.

Must the laptop already have a free 204-pin DDR3 SO-DIMM slot to install this 4 GB stick?

Yes, the module uses the 204-pin DDR3 SO-DIMM form factor, so an available DDR3 SO-DIMM slot is required for installation.

Will the 1866 MHz PC3-14900 speed downclock automatically if the system only supports a lower DDR3 rate?

The module follows JEDEC DDR3 standards and will downclock to match the maximum speed the laptop's memory controller allows.

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