OWC
OWC 16GB (2 x 8GB) PC14900 DDR3 1866MHz SO-DIMMs Memory RAM Upgrade Compatible with 2015 (Late) iMac 27 w/Retina 5K Models and Compatible PCs (OWC1867DDR3S16P)
Current price
$75.79
$4.74/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
53% cheaper
Deal score
92/100
At $4.74/GB — 53% below the DDR3 market average.
Buy on AmazonProduct prices and availability are accurate as of the date of the last daily update and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. Affiliate link.
At a Glance
Strengths
- +53% below the overall DDR3 market average $/GB
Limitations
- −Limited review data — only 13 Amazon reviews
- −Limited price history — recently added to tracking, trends not yet available
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 16GB DDR3 SO-DIMM specifications.
Laptop RAM — suitable for gaming laptops with compatible slots
16GB handles office apps, video calls, and multiple browser tabs comfortably
16GB works for 1080p editing with proxy workflows — 4K editing may require 32GB
SO-DIMM laptop RAM is not used in servers — servers require DIMM or RDIMM modules
SO-DIMM form factor — correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Speed Ranking
Top 3%
1866MHz ranks in the top 3% of all DDR3 speeds tracked (411 modules).
Specifications
| Memory Type | DDR3 |
| Capacity | 16GB |
| Speed | 1866MHz |
| Form Factor | SO-DIMM |
| Voltage | 1.5V |
| ASIN | B018VE55R4 |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
DDR3 Price by Capacity
Average $/GB across all DDR3 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $5.11/GB |
| 16GBThis product | $3.82/GB |
| 32GB | $4.10/GB |
| 64GB | $4.13/GB |
| 128GB | $5.29/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 DDR3 SO-DIMM in each tier today.
Current
16GB
$75.79
$4.74/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR3 SO-DIMM modules compared.
Also available from OWC
Same brand, different configurations
OWC
OWC 16GB (2X 8GB) 1333MHz DDR3 SO-DIMM PC3-10600 204Pin SO-DIMM CL9 Memory RAM Upgrade Module for iMac, Mac mini, MacBook Pro and PC Laptops (OWC1333DDR3S16P)
OWC
OWC 16.0GB (4 x 4GB) 1333MHz DDR3 SO-DIMM PC3-10600 204Pin SO-DIMM CL9 Memory RAM Upgrade Module for iMac and PC Laptops (OWC1333DDR3S16S)
OWC
OWC 32GB (4 x 8GB) PC14900 DDR3 1866MHz SO-DIMMs Memory RAM Upgrade Compatible with 2015 (Late) iMac 27 w/Retina 5K Models and Compatible PCs (OWC1867DDR3S32S)
Related pages
Frequently Asked Questions
Is the OWC 16GB 1866MHz DDR3 compatible with my motherboard?
This module is compatible with Laptop — DDR3 SO-DIMM. Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.
Is this DDR3 module a good deal right now?
At $4.74/GB, this module is 53% below the overall DDR3 market average $/GB across all capacities. Deal score: 92/100. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.
What is 1866MHz RAM used for?
This RAM module is designed for laptop and mobile systems using SO-DIMM slots. Check your system's specifications to confirm compatibility before purchasing.
How does OWC RAM compare to other brands?
OWC has 82 modules tracked with an average customer rating of 4.4★. This specific module is 53% below the overall DDR3 market average $/GB. Browse all OWC modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
Similar DDR3 RAM
Kingston
Technology 16GB Kit of 2 (2 x 8GB) DDR3 1600MHz Non-ECC CL11 SODIMM 1.35V Laptop Memory KVR16LS11K2/16
NEMIX RAM
NEMIX RAM 16GB (2X8GB) DDR3 1600MHZ PC3-12800 2Rx8 1.35V 204-PIN Non-ECC SODIMM Laptop PC PC Unbuffered Memory KIT
PC3-10600 Sodimm 16GB Kit DDR3 1333MHz 8GB PC3L-10600S 2Rx8 1.35V / 1.5V CL9 Notebook RAM Memory for Laptop Computer