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OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM | 260-Pin for compatible PCs
OWC

OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM | 260-Pin for compatible PCs

Bottom line: The OWC Memory 128GB DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM: Massive 128GB capacity as a 4x32GB SO-DIMM kit; main trade-off: DDR4-2400 is slower than DDR4-3200 enthusiast SO-DIMMs.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Massive 128GB capacity as a 4x32GB SO-DIMM kit
  • ✓ Runs at low 1.2V, fully JEDEC-compliant DDR4-2400
  • ✓ OWC Lifetime Limited Warranty with Advanced Replacement
  • ✓ Standard 260-pin CL17 SO-DIMM for laptops and all-in-ones

Cons

  • ✗ DDR4-2400 is slower than DDR4-3200 enthusiast SO-DIMMs
  • ✗ CL17 latency higher than CL15/16 performance kits
  • ✗ Only fits systems that officially support 128GB
  • ✗ Non-ECC, so no error correction for workstation use

Manufacturer description

4 x 32 GB (128 GB) PC19200 DDR4 2400MHz SO-DIMM Memory, 260-Pin, 1.2 Volts, Non-registered, Non-ECC, Fully compliant with JEDEC specifications, ROHS compliant, warranty safe upgrade; Backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program, Compatible with select PC Laptop, PC Notebook, & All in One Computers

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SpecPicks Verdict

SpecPicks scored OWC Memory 128GB DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. OWC's memory (ram) lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Compatible with select PC Laptop, PC Notebook, & All in One Computers
  • Compatible with Specific PCs
  • Fully compliant with JEDEC specifications
  • Warranty Safe Upgrade

Full Specifications

BrandOWC
Voltage1.2 volts
RAM Size128 GB
Model NameOWC2400DR4S128S
Unit Count4 Count
Form FactorSO-DIMM
Memory Speed1200 MHz
Model Number2400DR4S128S
CompatibilityPC
Number of Pins260
Mfr Part NumberOWC2400DR4S128S
Memory GenerationDDR4
Compatible DevicesDesktop, Laptop
Data Transfer Rate2400 MHz
Memory Form FactorSODIMM
Additional FeaturesLightweight
Computer Memory Size128 GB
Warranty Descriptionlifetime limited manufacturer warranty
RAM Memory TechnologyDDR4
Column Address Strobe Latency17

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OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM | 260-Pin for compatible PCs is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM | 260-Pin for compatible PCs
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