How much RAM does the Acer ConceptD CT900-91A support?

The ConceptD CT900-91A supports up to 192GB of memory across 12 slot(s), up to 16GB per slot.

What type of memory does the ConceptD CT900-91A use?

It uses DDR4 UDIMM memory modules.

What storage drives fit the Acer ConceptD CT900-91A?

Compatible drive types: NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" Hard Drive, SATA 2.5" SSD, SATA 3.5" Hard Drive, SATA M.2 2280 SSD.

Your system

Acer ConceptD CT900-91AStorage Upgrades

Verified compatible

22 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

NVMe M.2 2280 (PCIe Gen 4) SSD

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

SATA 2.5" SSD

This option is out of stock.

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

SATA M.2 2280 SSD

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.

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.

SATA 3.5" Hard Drive

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

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Your system

Acer ConceptD CT900-91AStorage Upgrades

Verified compatible

22 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

NVMe M.2 2280 (PCIe Gen 4) SSD

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

SATA 2.5" SSD

This option is out of stock.

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

SATA M.2 2280 SSD

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.

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.

SATA 3.5" Hard Drive

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

System specifications for Acer ConceptD CT900-91A

Specifications reported for the Acer ConceptD CT900-91A.

Memory type: DDR4
Form factor: UDIMM
Memory slots: 12
Maximum memory: 192GB
Max per slot: 16GB
Rated speed: 3200 MT/s
Drive configuration: Multiple
Drive form factor: 3.5" and M.2
Drive interface: SATA/PCIe
M.2 connector: 2280
M.2 PCIe generation: Gen3 x2
SATA version: SATA 3 - 6Gb/s
Standard memory: 32GB removable
Processor: Intel Xeon Gold 6148
USB support: 3.x Compliant

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Acer ConceptD CT900-91A, 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

Acer ConceptD CT900-91AStorage Upgrades

Choose your upgrade

Internal drives

NVMe M.2 2280 (PCIe Gen 4) SSD

SATA 2.5" SSD

SATA M.2 2280 SSD

SATA 2.5" Hard Drive

SATA 3.5" Hard Drive

Acer ConceptD CT900-91AStorage Upgrades

Choose your upgrade

Internal drives

NVMe M.2 2280 (PCIe Gen 4) SSD

SATA 2.5" SSD

SATA M.2 2280 SSD

SATA 2.5" Hard Drive

SATA 3.5" Hard Drive

System specifications for Acer ConceptD CT900-91A

Software