How much RAM does the Dell Precision 5860 Tower support?

The Precision 5860 Tower supports up to 2048GB of memory across 8 slot(s), up to 256GB per slot.

What type of memory does the Precision 5860 Tower use?

It uses DDR5 RDIMM memory modules.

What storage drives fit the Dell Precision 5860 Tower?

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

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Software

Your systemDell Precision 5860 TowerMemory & Storage Upgrades

18 guaranteed-fit options

System at a glance

Memory type: DDR5
Memory class: Registered (RDIMM)
Slots: 8
Max memory: 2048 GB

View full system details

Guaranteed-fit promise

Every part is matched to your machine's slots and drive bays and checked against its published specs before we list it.

Choose your upgrade

System Details

Compatible memory for Dell Precision 5860 Tower

DDR5 · RDIMM · up to 6400 MT/s · Registered

8×16GB = 128GB

Verified fit for your system

Fills all 8 slotsDual-channel

Not stocked right now. It's verified to fit— get an email the moment it's back.

Guaranteed fit, or free return

Every option here is verified to fit this system. Muted means it fits too — we just don't stock it right now. Pick one to switch.

Compatible storage for Dell Precision 5860 Tower

SATA 2.5" SSD · SATA 2.5" Hard Drive

SATA 2.5" SSD · 256 GB

Verified fit for your system

Not stocked right now. It's verified to fit— get an email the moment it's back.

Guaranteed fit, or free return

Every drive here matches this system's published specifications. Pick a drive type, then a capacity. Muted means it fits too — just not stocked right now.

How we know SATA 2.5" SSD fits

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

Software for your upgrade — matched to your Dell Precision 5860 Tower.

Seifelden Upgrade AssistantFree

Checks the drivers on your Dell Precision 5860 Tower, 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.

Complete your upgrade. This machine takes both memory and storage — add one from each tab above to do it in one order.

Why you can trust this fit

Why these are compatible

Dell Precision 5860 Tower takes DDR5 RDIMM memory, 8 slots, up to 2048 GB. Every option above matches those requirements, so it typically installs and runs without any firmware change.

“Verified fit” means the exact module was confirmed compatible against the manufacturer’s system scanner.

System specifications for Dell Precision 5860 Tower

Specifications reported for the Dell Precision 5860 Tower.

Memory

Memory type: DDR5
Form factor: RDIMM
Memory slots: 8
Maximum memory: 2048 GB
Max per slot: 256 GB
Rated speed: 6400 MT/s

Storage

Drive interface

SATA/SAS

Drive form factor

2.5"

System

Chipset: Intel C741
Graphics support: PCI Express x16
Max DDR5 RDIMM: 2TB
Processor max config: 1
USB support: 2.x and 3.x Compliant

Good to know

These modules run below the system's maximum supported speed.
ECC modules will run in non-ECC mode on this system.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.
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 notes

This system requires registered (RDIMM) memory — standard unbuffered modules will not work, and registered (RDIMM) and load-reduced (LRDIMM) modules cannot be mixed.

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Matched to your machine's slots and drive bays before we list it — or your money back.

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Dell Precision 5860 Tower Memory & Storage Upgrades | Seifelden

Every upgrade for the Dell Precision 5860 Tower is out of stock right now

We've already matched the memory and storage upgrades that fit this exact machine to its published specifications — they're just not in stock at the moment. Leave your email and we'll tell you the moment any of them is available again. Guaranteed fit, no wrong parts.

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