OWC
OWC 256GB (8x32GB) DDR4 2400 PC4-19200 CL17 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies OWC 256GB (8x32GB) DDR4 2400 PC4-19200 CL17 2Rx8 260-pin 1.2V Non-ECC… as a category leader on buyer feedback in the memory & ram category, based on 12 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. OWC's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 5.0★ average across customer reviews
- ✓ Backed by OWC's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- OWC 256GB UPGRADE: Consists of 8pcs of 32GB DDR4 2400 PC4-19200 CL17 2Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems.
- 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
- INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance.
- INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
- EASY INSTALLATION: In Most Cases, Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for Help.
Full Specifications
| Brand | OWC |
|---|---|
| Voltage | 1.2 Volts (DC) |
| RAM Size | 256 GB |
| Form Factor | Laptop |
| Memory Speed | 2400 MHz |
| Model Number | OWC2S4D42R8256K-B789-SF |
| Compatibility | PC |
| 100% COMPLIANT | JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs. |
| Number of Pins | 260 |
| Mfr Part Number | OWC2S4D42R8256K-B789-SF |
| INDUSTRY LEADING | Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing. |
| EASY INSTALLATION | In Most Cases, Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for Help. |
| Memory Generation | DDR4 |
| OWC 256GB UPGRADE | Consists of 8pcs of 32GB DDR4 2400 PC4-19200 CL17 2Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems. |
Ready to buy?
OWC 256GB (8x32GB) DDR4 2400 PC4-19200 CL17 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade Kit for Select Laptops or All-in-One Systems is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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