Memory upgradesCiscoServerUCSB-Series
Filters
11 memory modules
Filters
Capacity
Module Quantity
Speed
Type
Voltage
Ranks
Organization
Show filters

Memory upgrades for UCS B420 M4 B-Series

100% compatible
100%
compatible
Cisco Server UCS B420 M4 B-Series
Manufacturer Cisco
Category Server
Series UCS B
Model B420 M4
6TB RAM

The maximum RAM capacity is higher than what stated by Cisco?
The technical background for higher maximum usable capacities with CompuRAM upgrades is explained in our blog post ‘Maximise the maximum?’.

  • This system is subject to special guidelines regarding the installation of additional memory upgrades. Please review your manual before placing an order, or contact our sales team. We are pleased to provide you with a compliant configuration
  • The system has 4 channels per CPU with each 3 slots
  • Do not install memory modules into memory slots if corresponding processor is not installed.
  • The memory slots of each CPU should be populated identically
  • Registered, Registered 3DS, LRDIMM and LRDIMM 3DS modules must not be mixed

Our server upgrade team is there for you personally.
Chat Live support directly on our website
Chat - active For live support, click the speech bubble icon in the bottom right
Inquiry form Answer within 1 hour during our business hours
E-mail Answer within 1 hour during our business hours
Callback service Call back at the desired time within our business hours
+49 (89) 55 29 73-0 Talk to us directly within our business hours
RAMinator 100% compatible RAM upgrades with our analysis tool
Here you will find answers to payment and shipping.
Increase performance?
We have the right SSD
for your server!
Find SSD now

Compatible RAM

128GB Module
1 x 128GB
128GB Memory Upgrade Cisco Server B420 M4

128GB Module 2400MHz, ECC, LRDIMM 3DS, 1,2V, 8 Rank, 2S4Rx4

288pin DIMM DDR4
Quickcode: X826C
On request
You can have us notify you by email as soon as this product is available again.
64GB Module
1 x 64GB
64GB Memory Upgrade Cisco Server B420 M4 OEM-Ref-# UCS-MR-1X648RU-A

64GB Module 2133MHz, ECC, Registered 3DS, 1,2V, 4 Rank

288pin DIMM DDR4
Substitute OEM-#: UCS-MR-1X648RU-A
Quickcode: X8270
net
629,40 €
incl. 19% VAT
748,99 €
plus shipping
Usually ships in 4-6 days
32GB Module
1 x 32GB
32GB Memory Upgrade Cisco Server B420 M4 OEM-Ref-# UCS-MR-1X322RV-A

32GB Module 2400MHz, ECC, Registered, 1,2V, 2 Rank, 2Rx4

288pin DIMM DDR4
Substitute OEM-#: UCS-MR-1X322RV-A
Quickcode: X8271
net
264,80 €
incl. 19% VAT
315,11 €
plus shipping
> 20 pcs. ready to ship
16GB Module
1 x 16GB
16GB Memory Upgrade Cisco Server B420 M4 OEM-Ref-# UCS-MR-1X161RV-A

16GB Module 2400MHz, ECC, Registered, 1,2V, 1 Rank, 1Rx4

288pin DIMM DDR4
Substitute OEM-#: UCS-MR-1X161RV-A
Quickcode: X8275
net
171,80 €
incl. 19% VAT
204,44 €
plus shipping
> 20 pcs. ready to ship
16GB Module
1 x 16GB
16GB Memory Upgrade Cisco Server B420 M4 OEM-Ref-# UCS-MR-1X162RV-A

16GB Module 2400MHz, ECC, Registered, 1,2V, 2 Rank, 2Rx4

288pin DIMM DDR4
Substitute OEM-#: UCS-MR-1X162RV-A
Quickcode: X8E22
net
134,80 €
incl. 19% VAT
160,41 €
plus shipping
6 pcs. ready to ship
Server RAM upgrade » UCS B420 M4 by Cisco

  • What if the Cisco UCS B upgrade you’re looking for isn’t listed here? We’re prepared for that too.

    Can’t find the capacity you want for your UCS B B420 M4 server or a specific memory module you need on our website? Please get in touch with your query.
    For reasons of clarity, we are unable to list all the many possible DIMM module versions and combinations individually on our website. The relevant Server RAM modules are nonetheless in our portfolio, and we are happy to deliver them to you at short notice.