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Two green DDR3L SODIMM sticks side by side

Computer Memory Solutions

Computer Memory Solutions CM10246412800SODRL 16GB (2x8GB) DDR3L 1600MHz SODIMM Lenovo ThinkPad E550

SKU CH-EPEJ-R49Q6

A 16GB DDR3L 1600MHz SODIMM kit with two 8GB modules at 1.35V, CL11 timing, and 204-pin layout for Lenovo ThinkPad E550

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 16 GB dual-channel kit boosts multitasking with two 8 GB modules
  • DDR3L 1600 MHz speed delivers responsive performance at PC3L 12800
  • Low 1.35 V operation reduces power draw and heat in the notebook
  • CL11 11-11-11 timings keep latency tight for everyday workloads
  • 204-pin SODIMM form factor fits directly into the ThinkPad E550 slots

System-specific DDR3L kit for ThinkPad E550

This 16 GB kit contains two 8 GB SODIMM modules built to match the Lenovo ThinkPad E550. The memory runs at 1600 MHz with CL11 timings and operates at 1.35 V. It is designed for users who want the maximum supported capacity in that notebook.

Check your E550 before ordering

The ThinkPad E550 uses two 204-pin SO-DIMM slots and supports up to 16 GB total. Verify both slots are free or that you are replacing the existing pair. The system requires DDR3L at 1.35 V; standard 1.5 V DDR3 modules will not work correctly.

Matched pair simplifies installation

Two identical 8 GB sticks are packaged together so they share the same 2Rx8 rank structure and 11-11-11 timings. This avoids mixing different ranks or speeds, which can cause boot issues. The kit includes only the two modules; no tools, adapters or software are supplied.

How it compares

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

Price $35.99
Cheaper than about 82% 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 $2.25 per GB
Cheaper than about 93% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246412800SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo Thinkpad E550
In the box
Included items2 Memory RAM Sticks

Questions about this item

What comes in the box and do I need to buy anything else to install it?

The package contains two 8 GB DDR3L SODIMM modules; no extra parts or tools are required for a standard ThinkPad E550 upgrade.

Should I choose this 16 GB kit or a smaller capacity for my ThinkPad E550?

The E550 supports a maximum of 16 GB across its two slots, so this 2 x 8 GB kit fills the system to its limit in one step.

What does the 1600 MHz rating mean once the memory is installed in the laptop?

The modules run at DDR3L 1600 (PC3L 12800) with CL11 timing at 1.35 V, delivering the rated speed automatically on the E550 platform.

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