
QNAP
QNAP QM2-4P-384 Quad M.2 PCIe SSD Expansion Card
★★★★★
PCIe Gen3
Add up to four M.2 NVMe SSDs to your QNAP NAS or PC with this PCIe Gen3 x8 expansion card for serious storage acceleration.
$173.25*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
Connector: 4 x M.2 2280 PCIe (Gen3 x2) NVMe SSD slots
PCIe and Lanes: PCIe Gen3 x4
Bracket: Low-profile (default). Low-profile flat and Full-height brackets are also included. M.2 SSDs are not included as standard
Specifications
Brand
QNAP
Model
QM2-4P-384
M.2 Slots
4 x M.2 2280 PCIe (Gen3 x2) NVMe
Host Interface
PCIe Gen3 x8
Default Bracket
Low-profile
Included Brackets
Low-profile, low-profile flat, full-height
SSDs Included
No
Pros & Cons
👍 Pros
- Supports four M.2 NVMe SSDs on a single card, consolidating storage expansion into one slot
- Includes low-profile and full-height brackets for flexible installation in different enclosures
- PCIe Gen3 x8 host interface provides ample aggregate bandwidth for multiple drives
- Straightforward installation with no additional power connectors required
👎 Cons
- Each M.2 slot is limited to PCIe Gen3 x2, which caps individual drive performance below their maximum potential
- Only supports 2280 form factor M.2 drives, excluding shorter 2242 or 2230 SSDs
- SSDs must be purchased separately, increasing the total cost of the upgrade
- PCIe Gen3 interface may be a limitation for users with Gen4 or Gen5 capable systems seeking maximum throughput
Frequently Asked Questions
How many M.2 SSDs can this card hold?
The QM2-4P-384 supports up to four M.2 2280 PCIe NVMe SSDs simultaneously.
What PCIe slot does this card require on the host system?
The card uses a PCIe Gen3 x8 host interface. It should be installed in a compatible PCIe x8 or x16 slot.
Are M.2 SSDs included with the card?
No, M.2 SSDs are not included and must be purchased separately.
What bracket sizes are included?
The card comes with a low-profile bracket pre-installed, and also includes a low-profile flat bracket and a full-height bracket so it can fit different chassis form factors.
What is the per-slot bandwidth for each M.2 drive?
Each of the four M.2 slots operates at PCIe Gen3 x2, sharing the total bandwidth of the PCIe Gen3 x8 host connection.