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Green 204-pin DDR3L SO-DIMM stick with black memory chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 4GB DDR3L 1600 CL11 1.35V SO-DIMM memory upgrade

SKU CH-MKR4-X6Z6M

A 4GB DDR3L 1600 CL11 1.35V SO-DIMM module for compatible Lenovo ThinkPad laptops

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 4GB capacity expands multitasking headroom on supported ThinkPads
  • DDR3L 1600MHz speed delivers responsive data throughput for everyday workloads
  • 35V low-voltage operation reduces power draw and heat in compatible laptops
  • CL11 11-11-11 timings provide stable performance at rated frequency
  • 204-pin SO-DIMM form factor fits directly into listed Lenovo models

Compatible Lenovo ThinkPad upgrade

This 4GB DDR3L SO-DIMM is built for Lenovo ThinkPad E560, E565, Edge E145 and E460 notebooks. It runs at 1600 MHz with CL11 timing at 1.35V. The unbuffered, non-ECC module uses a 204-pin layout and 1Rx8 organisation.

Suits single-slot expansion only

Owners of the listed ThinkPad models who need a single 4GB stick will find guaranteed compatibility. Systems that require ECC, registered memory or capacities above 4GB per slot cannot use this module. Buyers with other laptop brands should verify specifications before ordering.

Voltage decides fit

The 1.35V DDR3L rating is the critical specification; the compatible ThinkPad platforms expect this low-voltage standard. A 1.5V DDR3 module will not meet the platform requirement. Confirm the system documentation calls for DDR3L before purchase.

How it compares

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

Price $18.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.75 per GB
Cheaper than about 80% 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 nameCM5126412800SOSRL
Total capacity4 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo ThinkPad E560, ThinkPad E565, ThinkPad Edge E145, Lenovo ThinkPad E460
In the box
Included items1Memory Ram Stick

Questions about this item

Should I pick the 4 GB stick or a larger kit for my ThinkPad E560?

The module is a single 4 GB SO-DIMM; add a second identical stick if your E560 has two slots and you want 8 GB total.

What does the 1600 MHz rating deliver in my laptop?

It runs at 1600 MHz with CL11 timing, giving the standard DDR3L bandwidth the E560 memory controller expects.

Will the DDR3L 1.35 V spec work in a slot that usually takes 1.5 V DDR3?

Yes — DDR3L is backward-compatible with 1.5 V DDR3 slots, so it fits the ThinkPad E560, E565, Edge E145 and E460 without voltage issues.

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