What’s the difference between DDR4 and other types of memory and can I use them interchangeably?

No, DDR4 memory is not compatible or interchangeable with other types such as DDR5, DDR3, and so on. Each memory type uses different slot designs, voltages, and architectures, so your system must support the memory type specifically.

What’s the difference between DIMM and SO-DIMM memory?

DIMM and SO-DIMM represent two different physical sizes of memory. DIMM is the larger type used in standard desktop computers. SO-DIMM is the smaller type used in laptops, mini PCs, and compact systems. They are not interchangeable.

What does "Non-ECC" mean and do I need "ECC" memory instead?

Non-ECC (non-error correcting) memory is required for most laptops and desktops. ECC is typically only used in servers or workstations and is not interchangeable with Non-ECC memory. If your system doesn’t mention ECC support, you need Non-ECC.

How do I know which speed to choose?

Each system has its own max supported speed. If the memory is faster than your system allows, it will automatically downclock to that max speed, meaning it's safe to buy faster memory. To confirm the max supported speed, refer to your system's manual

Is this compatible with my system or computer?

Refer to your system's manual to confirm the supported memory type, capacity, form factor, and ECC support. If you're unsure, contact our support team, we're happy to help you find the exact memory your system needs!

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A-Tech 16GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module

A-Tech 16GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module

Product ID: 178311224

Details

Brand
A-Tech
Compatible Devices
Desktop
Computer Memory Size
16 GB
Memory Speed
2666 MHz
RAM Memory Technology
DDR4

⚡2666 MHz blazing speed

💾16GB high-capacity module

🔧Plug & play easy install

R3747

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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Description

⚡ Upgrade your desktop’s brainpower — because speed waits for no one!

EFFORTLESS DIY UPGRADE - User-friendly UDIMM design lets you upgrade your desktop memory without any technical hassle.
RELIABLE FUTURE PROOF - Backed by A-Tech’s limited lifetime warranty and trusted JEDEC DDR4 standards for peace of mind.
OPTIMIZED FOR WINDOWS 11 - Perfectly balances performance and cost, ideal for handling Windows 11’s higher RAM demands.
BLAZING FAST 2666 M HZ SPEED - Experience rapid data transfer rates that cut down loading times and accelerate workflows.
BOOST YOUR MULTITASKING POWER - 16GB DDR4 RAM ensures smooth, lag-free performance even with 45+ browser tabs open.

The A-Tech 16GB DDR4 2666 MHz UDIMM RAM module is a high-performance, easy-to-install memory upgrade designed for select desktop PCs. With a fast 2666 MHz speed, 16GB capacity, and non-ECC reliability, it enhances multitasking and system responsiveness. Backed by a lifetime warranty and compatible with Windows 11, it’s the smart choice for professionals seeking a cost-effective performance boost.

Specifications

ASIN	B07KGMVVDZ
Additional Features	Lightweight
Best Sellers Rank	#16 in Computer Memory
Brand	A-Tech
Column Address Strobe Latency	19
Compatible Devices	Desktop, Workstation
Customer Reviews	4.6 4.6 out of 5 stars (1,009)
Data Transfer Rate	21300 Megabytes Per Second
Form Factor	DIMM
Manufacturer	A-Tech Components
Memory Form Factor	UDIMM
Memory Generation	DDR4
Memory Speed	2666 MHz
Mfr Part Number	AT16G1D4D2666NA0N12V
Model Number	AT16G1D4D2666NA0N12V
Number of Pins	288
RAM Memory Technology	DDR4
RAM Size	16 GB
Unit Count	1.0 Count
Voltage	1.2 Volts
Warranty Description	Limited Lifetime Warranty Covering Defects In Materials And Workmanship

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R3747

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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