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Green circuit board with black memory chips, 260-pin DDR4 SODIMM module

Computer Memory Solutions

Computer Memory Solutions 8GB DDR4 2400MHz SODIMM CL17 1.2V Lenovo IdeaPad C340 S145

SKU CH-R4C8-7VXAB

8GB DDR4 2400 MHz SODIMM module adds memory to compatible Lenovo IdeaPad C340 and S145 laptops

  • Capacity8GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.20V
  • 8 GB module lifts multitasking headroom for IdeaPad C340 and S145
  • DDR4 2400 MHz CL17 timing keeps data flowing at PC4‑19200 speed
  • 2 V low‑voltage design reduces power draw and heat
  • 260‑pin SODIMM form factor fits the single laptop slot directly
  • Lifetime repair or exchange warranty from Computer Memory Solutions

8GB DDR4 2400MHz SODIMM for Lenovo IdeaPad

This module adds 8GB of DDR4 memory running at 2400MHz with CL17 latency. It is built as a 260-pin unbuffered non-ECC SODIMM operating at 1.2V. The kit contains a single stick intended for compatible Lenovo IdeaPad C340 and S145 laptops.

Check your laptop model and free slot count

Verify that your device is a Lenovo IdeaPad C340-14IWL, C340 (14) Series, C340-15IWL, C340 (15) Series or S145-15AST. The system has one memory socket, so this module will replace any existing stick rather than sit alongside it. A 64-bit operating system is required to address more than 4GB.

Suits owners of listed IdeaPad models needing

Users who want to keep an existing module and add a second one cannot do so because only one socket is present. Buyers needing ECC, registered memory or speeds above 2400MHz should look elsewhere. The module is not compatible with laptops outside the specified Lenovo series.

Highlights

  • 8 GB module lifts multitasking headroom for IdeaPad C340 and S145
  • DDR4 2400 MHz CL17 timing keeps data flowing at PC4‑19200 speed
  • 2 V low‑voltage design reduces power draw and heat
  • 260‑pin SODIMM form factor fits the single laptop slot directly
  • Lifetime repair or exchange warranty from Computer Memory Solutions

Specifications

BrandComputer Memory Solutions
ModelCM1024642400SO
Capacity8GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo IdeaPad C340-14IWL, C340 (14) Series, C340-15IWL, C340 (15) Series, S145-15AST
Package Content1 Memory RAM Stick

Questions about this item

What comes in the package and is anything else needed to install this 8 GB DDR4 2400 MHz SODIMM?

The box contains one 8 GB 260-pin DDR4 SODIMM module. No extra parts are required; the stick fits directly into the laptop's memory slot.

Should I choose this single 8 GB stick or look for a different capacity for my Lenovo IdeaPad C340 or S145?

This module adds 8 GB. The supported models accept up to 16 GB, 20 GB or 24 GB total depending on the specific chassis, so you can add a second stick later if the laptop has a free slot.

Will the CL17 2400 MHz rating deliver that speed once installed in my IdeaPad C340-14IWL?

The module runs at 2400 MHz CL17 at 1.2 V. If the processor or existing memory is slower, the system will clock all modules down to the lowest common speed.

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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