How much RAM does the Dell PowerEdge T640 support?

The PowerEdge T640 supports up to 768GB of memory across 24 slot(s), up to 32GB per slot.

What type of memory does the PowerEdge T640 use?

It uses DDR4 LRDIMM/RDIMM memory modules.

What storage drives fit the Dell PowerEdge T640?

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Your system

Dell PowerEdge T640Storage Upgrades

Verified compatible

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.

SATA 2.5" Hard Drive

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

System specifications for Dell PowerEdge T640

Specifications reported for the Dell PowerEdge T640.

Memory type: DDR4
Form factor: LRDIMM, RDIMM
Memory slots: 24
Maximum memory: 768GB
Max per slot: 32GB
Rated speed: 3200 MT/s
ECC: supported
Chipset: Intel C620

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Dell PowerEdge T640, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

Dell PowerEdge T640Storage Upgrades

Verified compatible

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.

SATA 2.5" Hard Drive

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

System specifications for Dell PowerEdge T640

Specifications reported for the Dell PowerEdge T640.

Memory type: DDR4
Form factor: LRDIMM, RDIMM
Memory slots: 24
Maximum memory: 768GB
Max per slot: 32GB
Rated speed: 3200 MT/s
ECC: supported
Chipset: Intel C620

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

System notes

Load Reduced DIMM's cannot be mixed with standard Registered DIMM's.This system supports multiple memory configurations based on: Processor, memory component density, quantity and type of memory modules installed.
Intel's first-generation Xeon Scalable (x1xx) processors and prior processors are not compatible with memory modules built with 16Gb DRAM components.

Dell PowerEdge T640Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Dell PowerEdge T640

Software

Dell PowerEdge T640Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Dell PowerEdge T640

Software