How much RAM does the Dell PowerEdge M640 support?

The PowerEdge M640 supports up to 512GB of memory across 16 slot(s), up to 32GB per slot.

What type of memory does the PowerEdge M640 use?

It uses DDR4 RDIMM memory modules.

What storage drives fit the Dell PowerEdge M640?

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

Your system

Dell PowerEdge M640Storage Upgrades

Verified compatible

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.

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Your system

Dell PowerEdge M640Storage Upgrades

Verified compatible

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 M640

Specifications reported for the Dell PowerEdge M640.

Memory type: DDR4
Form factor: RDIMM
Memory slots: 16
Maximum memory: 512GB
Max per slot: 32GB
Rated speed: 3200 MT/s
ECC: supported
Chipset: Intel C610
Drive interface: SATA/SAS
Max DDR4 LRDIMM: 2TB
Max DDR4 RDIMM: 512GB
Processor max config: 2
SATA version: SATA 3 - 6Gb/s
Serial ATA support: Y
USB support: 2.x and 3.x Compliant

System notes

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.Your system may support multiple memory configurations based on the density, quantity and type of memory modules installed. Please consult the documentation for your specific system.Load Reduced DIMM's cannot be mixed with standard Registered DIMM's.

Software

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Seifelden Upgrade AssistantFree

Checks the drivers on your Dell PowerEdge M640, 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.

Get it free Details & what it sends

Dell PowerEdge M640Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

Dell PowerEdge M640Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Dell PowerEdge M640

Software