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Green circuit board SODIMM module with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 4GB DDR3L 1600MHz SODIMM for Lenovo Thinkpad E550 memory upgrade

SKU CH-EKZ6-4T58J

4GB DDR3L 1600MHz SODIMM module upgrades Lenovo ThinkPad E550 with 1.35V CL11 unbuffered memory

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.35V
  • 4GB capacity adds responsive multitasking headroom for daily workloads
  • DDR3L 1600MHz speed keeps data moving at PC3L 12800 rates
  • 35V low-voltage operation reduces power draw and heat output
  • CL11 11-11-11 timings deliver snappy access for everyday applications
  • 204-pin SODIMM form factor fits the ThinkPad E550 memory slot directly

ThinkPad E550 DDR3L SODIMM upgrade

This 4 GB DDR3L module runs at 1600 MHz with CL11 timings and 1.35 V operation. It fits the 204-pin SO-DIMM slots in the Lenovo ThinkPad E550 and is sold as a single unbuffered stick.

DDR3L 1600 speed ceiling and two-slot limit

The laptop accepts a maximum of 16 GB across its two sockets, so this stick adds 4 GB toward that cap. DDR3L 1600 is the fastest memory the platform supports, and the module will not run at higher transfer rates.

Major-brand chips without heat spreader

The module uses major-brand components in a 1Rx8 layout and has no heat spreader, keeping the profile thin for the E550's tight SODIMM cavity. One stick ships in the package, leaving the second slot open for a matching upgrade later.

Punti di forza

  • 4GB capacity adds responsive multitasking headroom for daily workloads
  • DDR3L 1600MHz speed keeps data moving at PC3L 12800 rates
  • 35V low-voltage operation reduces power draw and heat output
  • CL11 11-11-11 timings deliver snappy access for everyday applications
  • 204-pin SODIMM form factor fits the ThinkPad E550 memory slot directly

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM5126412800SOSRL
Capacity4GB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Timing11-11-11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Thinkpad E550
Package Content1 Memory RAM Stick

Domande su questo articolo

Should I buy the 4GB module or add a second stick to reach the 16GB maximum?

The E550 has two SODIMM sockets and supports up to 16GB total. A single 4GB stick leaves one slot free for a matching module later, while two 8GB sticks fill both slots immediately.

What does the 1600MHz rating deliver in daily use on the ThinkPad E550?

At DDR3L 1600 with CL11 timing the module runs at the platform's native memory speed, giving the rated bandwidth without downclocking or stability issues.

Does the 204-pin DDR3L 1.35V interface limit capacity or speed on this laptop?

The 204-pin SODIMM slot accepts DDR3L at 1.35V up to the board's 16GB ceiling, so this 4GB stick works at full 1600MHz without voltage or keying conflicts.

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