Collection: Dell T420 Memory Upgrades

Dell PowerEdge T420 Workstation Memory Configuration

The T420 is a Dual Processor system with 6 DIMM slots per CPU. There are three memory channels per CPU. Each memory channel manages two DIMM slots. Along with standard RDIMMs and UDIMMs, the T420 also supports Load Reduced DIMMs, as well as options for standard or low voltage. You cannot mix different memory types. Different speeds can be mixed but the modules will function at the slowest speed installed.

Cloud Ninjas' Dell PowerEdge T420 Tower Memory Upgrade Tips

• There are a total of 12 DIMM slots on the Dell T420 server.
• Sizes supported: 2GB, 4GB, 8GB, 16GB, or 32GB ECC Registered (RDIMM); and 2GB, 4GB or 8GB Unbuffered (UDIMM); and 32GB or 64GB Load Reducing (LRDIMM).
• DO NOT MIX DIFFERENT MEMORY TYPES.
• The T420 maxes out at 384GB of ECC Registered memory (12 x 32GB). Whereas unbuffered tops out at 96GB (12 x 8GB).
• The absolute top of the line RAM would be via load reducing memory. The Dell T420 could get all the way up to 768GB (12x64GB) Memory.
• Speed options for the PowerEdge T420 are 1866MHz, 1600MHz, 1333MHz, or 1066MHz depending on the type of memory module.
• Think Long Term! Purchase the maximum amount that your PowerEdge T420 can hold and avoid wasting time and money on modules you won't be able to use if you upgrade again.
• Buy Dell T420 memory today from Cloud Ninjas!
• The total number of memory modules that you should have in your PowerEdge T420 should equal 2, 4, 8 or 12. To properly configure your system, install a minimum of four memory modules first.