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Overview

Upgrade your iMac’s performance with Timetec 8GB DDR3L 1867MHz SODIMM memory, designed for Apple iMac 27-inch Late 2015 (iMac 17,1). This 1.35V low-power Mac RAM delivers smoother multitasking, faster performance, and improved system stability.

Timetec 8GB DDR3L 1867MHz SODIMM RAM for Apple iMac 27-Inch Late 2015 (Retina 5K) – Mac Memory Upgrade

Model: 78AP18NUSL2R8-8G
Web Code: 19755871
Sold and shipped by | 3.3 seller rating (6 reviews)

Available for deliveryAvailable online only

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Timetec 8GB DDR3L 1867MHz RAM for Apple iMac 27-Inch Late 2015

The Timetec 8GB DDR3L 1867MHz SODIMM memory module is a high-quality RAM upgrade designed specifically for Apple iMac Late 2015 27-inch models with Retina 5K display (iMac 17,1). If your iMac feels slow during multitasking, content creation, or everyday use, upgrading the memory is one of the most effective ways to restore speed and responsiveness.

Built to meet Apple’s strict memory requirements, this module provides stable performance, excellent compatibility, and energy efficiency for Mac users.

Optimized for Apple iMac Late 2015 (iMac 17,1)

This Timetec memory module is fully compatible with Apple iMac 27-inch Late 2015 models, ensuring seamless integration without system errors or performance issues. It is engineered to match Apple’s original specifications and is an ideal replacement or expansion option for users upgrading their factory-installed RAM.

Compatible Model:

Apple iMac 27-inch Late 2015

iMac 17,1 (Retina 5K Display)

DDR3L 1867MHz High-Performance Memory

Operating at 1867MHz / 1866MHz, this DDR3L memory delivers fast data access and smooth performance for macOS applications. Whether you are editing photos, working with large files, running multiple apps, or browsing with many tabs open, this RAM upgrade helps eliminate slowdowns and lag.

With CL13 latency and 2Rx8 configuration, the module ensures reliable and consistent performance across demanding workloads.

Low-Power 1.35V Design

This memory operates at 1.35V (DDR3L), making it energy efficient and suitable for Apple’s power-optimized hardware design. Lower voltage helps reduce heat generation and power consumption while maintaining stable system operation.

This makes it ideal for long working sessions and sustained performance.

204-Pin SODIMM Form Factor

Designed in a 204-pin SODIMM form factor, this RAM module fits perfectly into supported iMac memory slots. It is not compatible with desktops using DIMM memory or newer DDR4/DDR5 systems.

The compact design ensures easy installation in supported iMac models.

Improved Multitasking & Productivity

Upgrading to 8GB of RAM allows your iMac to:

Launch applications faster

Handle multitasking more efficiently

Improve performance in photo and video editing

Reduce system slowdowns and beachball delays

This upgrade is ideal for home users, professionals, students, and creative users who want smoother macOS performance.

Quality Tested & Reliable

Each Timetec memory module undergoes strict testing for compatibility, stability, and performance. Built with premium components, this RAM ensures dependable operation and long-term reliability for your Apple iMac.

Key Features:

8GB DDR3L SODIMM memory

1867MHz / 1866MHz speed

PC3L-14900 specification

CL13 latency, 2Rx8 configuration

1.35V low-voltage operation

204-pin SODIMM

Designed for Apple iMac Late 2015 (iMac 17,1)

Compatibility Notice

This memory module is only compatible with Apple iMac 27-inch Late 2015 models. It is not compatible with MacBooks, Mac minis, earlier iMac models, or DDR4 systems. Always verify your iMac model before purchasing.

Enhance your Mac’s speed and responsiveness with Timetec 8GB DDR3L 1867MHz RAM, a reliable and efficient memory upgrade solution.

Product Condition
Brand New
Memory Category
Desktop

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

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Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

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