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Two green DDR3 SODIMM sticks with black chips, 204 pins each

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3 1333MHz SODIMM memory upgrade for ThinkPad X220

SKU CH-KX58-T84ZR

A 16 GB DDR3 SODIMM kit built for ThinkPad X220 models 4287, 4290 and 4291

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • 16GB dual-channel kit boosts multitasking on ThinkPad X220
  • DDR3-1333 CL9 modules run at 1.5V for stable operation
  • 204-pin SODIMM form factor fits X220 4287 4290 4291 slots
  • Two 8GB sticks enable full 16GB capacity upgrade
  • Major-brand chips backed by CMS lifetime warranty

Matched upgrade for ThinkPad X220

This 16 GB kit contains two 8 GB DDR3 SODIMM modules built to PC3-10600 speed with CL9 timing. The pair is validated for the ThinkPad X220 models 4287, 4290 and 4291 and installs without configuration changes.

No extra accessories or software

The package supplies only the two memory sticks. No tools, adapters or driver discs are included, so the upgrade relies entirely on the notebook's existing firmware support.

Straightforward slot installation

Each 204-pin module fits the standard SODIMM sockets inside the X220 chassis. Because the sticks are unbuffered non-ECC 1.5 V parts, they work with the stock BIOS; the only common issue is forgetting to seat both modules fully before closing the cover.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $43.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246410600SODRH
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo Thinkpad X220 4287, 4290, 4291
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 16GB kit of 2Rx8 DDR3 SODIMM modules need replacement if I later upgrade the ThinkPad X220 processor?

The modules run at 1333 MHz with CL9 timing and 1.5 V; they are not tied to a specific processor upgrade path, so replacement depends only on whether a future platform requires a different memory generation or speed.

What limit appears first when the 16GB DDR3 1333 MHz kit runs sustained workloads on the ThinkPad X220?

The memory operates at 1333 MHz with CL9 latency and 1.5 V; under sustained use the platform's memory controller and thermal design set the practical ceiling, not the modules themselves.

How much heat and power does the 16GB DDR3 1333 MHz kit produce when the ThinkPad X220 runs all day?

Each module is rated at 1.5 V with no heat spreader; total power draw and heat output follow the DDR3 1333 MHz specification and the laptop's cooling capacity.

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