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Computer Memory Solutions

Computer Memory Solutions CM1024642400SO 8GB DDR4 2400 SODIMM for ThinkPad A475 E580 L470 memory upgrade

SKU CH-DF7V-Y59B4

8GB DDR4 2400 SODIMM module upgrades ThinkPad A475, E580 and L470 laptops with CL17 timing and 1.2V operation

  • Capacity8GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 8 GB capacity expands multitasking headroom on supported ThinkPads
  • DDR4 2400 speed with CL17 timing delivers responsive data access
  • 2 V operation keeps power draw low for mobile use
  • 260-pin SO-DIMM form factor fits the A475, E580 and L470 slots
  • 2Rx8 unbuffered non-ECC design matches factory memory configuration

8GB DDR4 2400 SODIMM for ThinkPad

This 8 GB DDR4-2400 SO-DIMM upgrades Lenovo ThinkPad A475, E580 and L470 notebooks. It is a single 260-pin unbuffered module rated at CL17 17-17-17 timing and 1.2 V. The kit contains one stick using major-brand chips in a 2Rx8 organisation. Buyers needing ECC or registered memory cannot use this module.

Thermals and power in daily use

Operating at the standard 1.2 V, the module draws minimal power and produces negligible heat inside the tight ThinkPad chassis. No heat spreader is fitted, so the DRAM relies on the notebook's existing airflow. Acoustic impact is zero because the component has no moving parts. Systems limited to 32 GB total across two sockets will run this stick within normal thermal envelopes.

Behaviour under sustained load

The fixed CL17 latency and 2Rx8 rank structure deliver consistent bandwidth during long compile, rendering or virtualisation sessions. Because the module is non-ECC, workloads that require error correction must look elsewhere. Stability is backed by the manufacturer's limited lifetime exchange or repair warranty against manufacturing defects when purchased directly from Computer Memory Solutions.

Highlights

  • 8 GB capacity expands multitasking headroom on supported ThinkPads
  • DDR4 2400 speed with CL17 timing delivers responsive data access
  • 2 V operation keeps power draw low for mobile use
  • 260-pin SO-DIMM form factor fits the A475, E580 and L470 slots
  • 2Rx8 unbuffered non-ECC design matches factory memory configuration

Specifications

BrandComputer Memory Solutions
ModelCM1024642400SO
Capacity8GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo ThinkPad A475, ThinkPad E580, ThinkPad L470
Package Content1Memory Ram Stick

Questions about this item

How do I install the 260-pin DDR4 SODIMM into my ThinkPad A475 and which step do people often miss?

Power off and unplug the laptop, remove the base cover, insert the module at an angle until the contacts disappear, then press down until both side clips click — the step most often missed is fully engaging both clips.

What maintenance or replacement will this 8GB CL17 module need over its lifetime?

No routine maintenance is required; if a fault occurs the manufacturer offers a limited lifetime exchange against manufacturing defects, otherwise it runs for the system's usable life.

Which limit appears first under sustained load — the 2400MHz speed, the 1.2V voltage or the two-slot 32GB maximum?

The platform's two-slot 32GB ceiling is reached before speed or voltage becomes a bottleneck, so adding a second identical module is the practical limit.

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

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