IBM - Lenovo ThinkCentre A51p (8421) Compatible Memory / RAM Upgrades

100% IBM - Lenovo Compatible Upgrades from the UK's Leading Supplier of Memory & SSDs

Not your exact model? See all IBM - Lenovo ThinkCentre or A50 to A51 models, or identify your model with our ScanMyPC App

Model Specifications 31,950 IBM - Lenovo Upgrades Supplied

Make & Model:

IBM - Lenovo ThinkCentre A51p (8421)

Total Memory Slots:

Maximum Memory:

Installed Memory:

Non Upgradable

Important Notes:

You can install different sized modules together in your machine. For example: Installing 2 x 8GB alongside 2 x 4GB will be 100% compatible.

Sorry, there are no Memory upgrades available for this model.

The manufacturer may have installed the maximum RAM or the RAM slots may be inaccessible.
It is also possible that the supported RAM type is no longer available.

UPGRADE YOUR STORAGE WITH A FAST SSD

View all compatible SSD upgrades for your IBM - Lenovo ThinkCentre

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