60,000+
Trusted Reviews

IBM - Lenovo System x x3950 X5 (7143) Compatible Memory / RAM Upgrades

Mr Memory offers 2 compatible memory upgrades for the IBM - Lenovo System x x3950 X5 (7143).

Not your exact model? See all IBM - Lenovo System x or x3900 models, or identify your model with our ScanMyPC App

Model Specifications

31,955 IBM - Lenovo Upgrades Supplied

Make & Model:

IBM - Lenovo System x x3950 X5 (7143)

Memory Configurations:

3TB Max (96 x 32GB RDIMM)

Memory Type:

DDR3

Memory Form Factor:

RDIMM

ECC:

ECC Registered

Installed Memory:

See how much memory you have installed

Model FAQs:

What memory configurations are supported?
The IBM - Lenovo System x x3950 X5 (7143) supports up to 3TB of DDR3 memory using 96 x 32GB RDIMM modules.

MEMORY UPGRADES

2 compatible memory upgrades

SSD UPGRADES

20 compatible SSD upgrades

GPU UPGRADES

No compatible GPU upgrades

ACCESSORIES

No compatible products

To get the best performance and speed from your System x, upgrade to the maximum memory.

We always send brand new matched modules, when you order 2 or more.

Help Me Choose

DDR3 PC3-12800 1600MHz 240-pin RDIMM ECC Registered

Product Specifications

Upgrade your server or workstation with brand new DDR3 1600MHz ECC Registered memory - the quickest, easiest way to maximise performance and increase reliability! Adding extra memory is the most cost-effective way to make your operating system and applications run faster and smoother for peak performance.

Size

(Inc VAT)

32GB

2 DAYS

£144.00 each

£150.00

Save £6.00 Today

ADD TO BASKET

16GB

1 DAY

£52.80 each

£54.00

Save £1.20 Today

ADD TO BASKET

Benefits of Upgrading Installation Guides Returns & Refunds Delivery Options

Orders placed Monday to Friday after 4.30pm (UK time) or on weekends/bank holidays will be processed the next business day.
(subject to stock, order verification and chosen delivery option)

FREE
Warranty

100%
Compatible

FREE & FAST
UK Delivery

UNLIMITED
Support

32 YEARS
and Counting

Benefits of Upgrading your Computer Memory

Upgrading is Easy - Go to the Maximum - Renew your Device

If you can change the batteries in your remote control, you can upgrade your memory too! It really is that simple!

The files and programmes on your device are stored on the Hard Drive or Solid State Drive, not the RAM - so you will not lose anything when replacing modules.

Speed & Peak Performance

Improve start-up time and optimise the speed of your operating system
Maximise all-round efficiency & multitask with ease
Speed up your games and apps, including video and photo editing software
Peak performance for home schooling, streamers, video callers, gamers & online shoppers
Improve the performance of your favourite video streaming platforms

Simple, Quick & Easy

Easy as 1, 2, 3 (Order, Deliver, Install)
Upgrading your computers memory is simple with our easy to follow installation guides & videos
Free support provided by our friendly specialists should you need help
Easy to install - Upgrade your computer in less than 5 minutes
Working from home? Ensure your computer is up to the task with a simple Memory upgrade

Big Savings

Don't waste money on a new machine when you can renew & extend what you have!
Save money on unnecessary installation costs by upgrading yourself
Increasing your computers memory will give you the biggest performance increase for your money
Save hours of lost time waiting for your computer to load
Maximise the value of your computer

Reduce your impact on the Environment

Join 500,000+ Mr Memory customers who saved their computer from a trip to the recycling centre
Renewing your device instead of replacing it reduces e-waste and greenhouse emissions
Help electronics become a more sustainable part of our lives by renewing them
By using your electronic devices for as long as possible, you are saving the planet’s resources
Return your old Memory to us and we will ensure it is responsibly recycled

Working from Home & Hybrid Working

If you work from home or are thinking of doing so in the future you need to have the right tools available to do your job as efficiently as possible. Whether you use your own computer or a company owned device, do not be slowed down by insufficient memory or storage. Upgrading the memory and/or SSD is a simple way to save time when working from home.

Increase home working efficiency and performance
Create a stress free and healthier environment with less distractions
Minimise the impact of a slow connection, and improve the responsiveness of video calls
Easily upgrade your computer at home, and claim on company expenses
Working from home has been shown to improve creativity and give a better home life/work balance
Save time and money on commuting, and benefit from flexible scheduling

Trust the Mr Memory Brand

Feel Safe, Feel Secure & Feel Appreciated

We help people to feel safe, happy and secure. You can trust the Mr Memory brand - we will protect your data, save you money and improve the performance of your valued devices, whilst being eco-responsible.

Our specialists provide free support to anyone who needs it - at any stage of the order process. Our communication is fast and our guidance is as technical or as basic as you need it to be.

Buy from a UK based company with 32 years experience
100% Safe & Secure website
Fully informed at every stage of the order
Fast dispatch - 98% of orders dispatched same day
Highest quality brand new products from the best brands in the world
RAM extensively tested prior to shipment
Accurate database with new models added daily
30-day credit available to the Public / Private Sector
250,000+ businesses use Mr Memory for their Memory/RAM & SSD upgrades
Over 150,000 registered online customers
We are compliant with the latest privacy regulations including the UK and EU GDPR

Working Towards a Sustainable Future

Mr Memory is tackling climate change as a team with an aim to being carbon neutral by 2027.

Our employees are encouraged to walk, cycle or car share
We encourage our employees to stay healthy, eat more sustainable food and buy locally
We always try to purchase from UK based companies where possible
We hold regular staff meetings where our employees opinions on climate change are heard
We supply appropriate uniform to reduce heating and air-con use
We have waste reduction procedures in place - all of our packaging can be recycled
Our refuse bags are bio-degradable
Our cleaning equipment and products are all eco-friendly
Our printing is limited to essential customer paperwork only
When not in use all electrical devices are turned off and we always purchase energy efficient devices
Our energy supplier is moving to 100% renewable electricity and is a COP29 Principal Partner
All of our suppliers use recyclable packaging, which we reuse where possible
We are constantly reviewing our Sustainability Statement

Play our educational HD videos

WATCH 30+ VIDEOS

Module:	x1 (single module only)
Memory Brand:	We supply the best brands in the world so you will only receive brand new premium memory of the highest quality
Compatibility:	100% Guaranteed Compatible with your IBM - Lenovo System x and All Operating Systems
System Warranty:	This upgrade will not invalidate your system warranty
Speed:	1600MT/s (PC3-12800)
Technology:	DDR3 SDRAM
Pins:	240-pin, Gold Connectors
Form Factor:	RDIMM (Registered Dual Inline Memory Module)
Module Dimensions:	133.35mm x 30mm (LxH)
Data Integrity:	ECC Registered
Ranking:	1R, 2R, 4R
Voltage:	1.35V - 1.5V
CAS Latency:	You will receive memory with the correct CAS Latency for your model
Warranty:	1 Year Manufacturers Warranty

IBM - Lenovo System x x3950 X5 (7143) Compatible Memory / RAM Upgrades

Model Specifications

Product Specifications

Installation & Support

Installation is Easy with Fast & Professional Support

Installation

Support

Delivery, Returns & Refunds

Fast Delivery

Fast Returns & Refunds

Trusted Customer Reviews

Recent Google Reviews

ServerCare Memory Solutions

Mr Memory cares about your IT Infrastructure

ServerCare Programme

Trust Mr Memory to provide you with: