Current price
$1006.95$7.87/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
19% above peer $/GB
$7.87/GB โ compare cheaper alternatives below
As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
OWC
OWC 128GB (4 x 32GB) PC21300 DDR4 2666MHz 260pin SO-DIMMs Memory Ram Upgrade Compatible with 27 iMac w/Retina 5K (Early 2019 and up) and Compatible PCs (OWC2666DR4S128S) (128GB 32GB)
This OWC 128GB (4x32) 2666MHz DDR4 SO-DIMM laptop kit is $1006.95 ($7.87/GB), 19% above similar peer $/GB. In stock on Amazon. Fits Laptop โ DDR4 SO-DIMM. 128GB 32GB variant.
Variations
At a Glance
Limitations
- 19% above the 128GB (4x32) DDR4 peer median $/GB
- Limited review data โ only 4 Amazon reviews
- Price near its tracked high of $1,048.91
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Consider waiting
Price is near its tracked high of $1,048.91 โ in the top 25% of its recorded range. Prices may fall.
Cheaper Alternatives
Same 128GB DDR4 โ lower $/GB than this product
27% cheaper/GB
Timetec
Timetec 128GB KIT(4x32GB) DDR4 3200MHz PC4-25600 Non-ECC Unbuffered 1.2V CL22 2Rx8 Dual Rank 260 Pin SODIMM Compatible with AMD and Intel Gaming Laptop Notebook PC Computer Memory RAM Module Upgrade20% cheaper/GB
A-Tech
A-Tech 128GB Kit (4x32GB) RAM for Apple iMac 2019 & 2020 27 inch Retina 5K | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Max Memory Upgrade18% cheaper/GB
Ranked by lowest $/GB. Same 128GB DDR4 SO-DIMM only. Prices updated daily.
Specifications
Catalog data as of 28 Aug 2026, 06:40 UTC
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR4 |
CapacityTotal kit memory size ยท guide | 128GB (4x32) |
| Kit Config | โ 4ร kit โ dual-channel ready |
SpeedFrequency in MT/s or MHz ยท guide | 2666MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) ยท guide | SO-DIMM |
ASIN | B07QD13Y17 |
Spotted a wrong price or spec? Report a data correction ยท How we verify data
Specs & prices refreshed 28 Aug 2026, 06:40 UTC. Verify on Amazon at checkout.
Price History
Updated daily โ track price trends over time
Current
$1,006.95
69d Low
$838.49
69d High
$1,048.91
69d Avg
$997.17
vs this kit's history
Current price is 0.2ฯ above the tracked average of $997.17 - within a normal band for this ASIN.
Frequently Asked Questions
Is the OWC 128GB (4x32) 2666MHz DDR4 compatible with my motherboard?
This module is compatible with Laptop โ DDR4 SO-DIMM. Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.
Is this DDR4 module a good deal right now?
Price is near its tracked high of $1,048.91 โ in the top 25% of its recorded range. Prices may fall. At $1,006.95 ($7.87/GB), consider waiting for a dip or compare cheaper alternatives below. Prices are updated daily from Amazon.
What is 2666MHz RAM used for?
DDR4 RAM is used in Intel LGA1200/LGA1700 and AMD AM4 (Ryzen 1000-5000) systems. It offers excellent value for existing platforms. 2666MHz is a standard DDR4 speed tier.
How does OWC RAM compare to other brands?
OWC has 99 modules tracked with an average customer rating of 4.4โ . Browse all OWC modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Is 128GB of RAM enough for gaming in 2026?
128GB is more than enough for gaming in 2026. Most AAA titles use 16โ24GB alongside Discord and a browser. 128GB gives you headroom for streaming, recording, and running multiple applications simultaneously.
Is a 4ร32GB kit better than a single stick?
This is already a 4ร32GB kit (quad-channel capable) โ the correct configuration for maximum bandwidth on supported platforms. Matched multi-stick kits use multiple memory channels simultaneously, improving real-world performance versus a single stick of the same total capacity.
Similar DDR4 RAM
A-Tech
A-Tech 128GB Kit (4x32GB) RAM for Apple iMac 2019 & 2020 27 inch Retina 5K | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Max Memory Upgrade
OWC
OWC 128GB (4x32GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM
Adamanta
Adamanta 128GB (4x32GB) Compatible for HP ZBook 17 G6/Gen6 Mobile Workstation Laptop DDR4 2666MHz PC4-21300 SODIMM 2Rx8 CL19 1.2v Notebook Memory Module Upgrade RAM
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Is This RAM Right for You?
Based on 128GB (4x32) DDR4 SO-DIMM specifications.
Laptop RAM โ suitable for gaming laptops with compatible slots
128GB handles office apps, video calls, and multiple browser tabs comfortably
128GB handles 4K video editing on a laptop โ 8K workflows may need a desktop workstation
SO-DIMM laptop RAM is not used in servers โ servers require DIMM or RDIMM modules
SO-DIMM form factor โ correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
Verdicts based on capacity, form factor, and ECC specifications โ not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price Range
Tracked low
$838.49Current
$1006.95Tracked high
$1048.91Near tracked high
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $8.10/GB |
| 16GB | $7.81/GB |
| 32GB | $7.44/GB |
| 64GB | $7.81/GB |
| 128GBThis product | $7.42/GB |
Upgrade Cost Calculator
How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available DDR4 SO-DIMM in each tier today.
Current
128GB
$1006.95$7.87/GBPrices are the lowest available in each tier from our daily database โ verify on Amazon before purchasing. Only DDR4 SO-DIMM modules compared.
Also available from OWC
Same brand, different configurations
OWC
OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
OWC
OWC 16GB (2X8GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
Related pages
Amazon prices on this page. ASIN B07QD13Y17 may also appear on Newegg - we do not show competitor prices.
Reviewed by C.R. Vinoth Kumar
Editor & FounderVinoth is an InfoSec consultant, independent technical blogger, and the developer of RAM Prices, with 12+ years in IT. He reviews buying guides and maintains the site's automated checks for price per GB, specification confidence, availability, and AMD/Intel platform compatibility. See the methodology for the exact ranking rules and limitations.
As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.