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QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card — main product image
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card
QNAP

QNAP QM2-2P-244A Dual M.2 PCIe SSD Expansion Card

★★★★★4.5 (351 reviews)
PCIe Gen2

Add blazing-fast NVMe SSD caching to your QNAP NAS with dual M.2 slots in a single PCIe expansion card.

$135.49*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The QNAP QM2-2P-244A is a PCIe expansion card purpose-built for QNAP NAS systems, enabling users to install up to two M.2 NVMe SSDs for SSD caching or storage tiering. By offloading frequently accessed data to fast NVMe storage, the card can dramatically reduce latency and improve throughput for applications like virtualization, database hosting, and large file transfers across a network. Each of the two M.2 slots accepts either 2280 or 22110 form factor drives, giving users flexibility in choosing SSDs that fit their capacity and budget requirements.

Operating over a PCIe Gen2 x4 interface, the QM2-2P-244A delivers solid performance gains for NAS environments, though its bandwidth ceiling is lower than what PCIe Gen3 or Gen4 cards can offer. Installation is made convenient with three included brackets — a pre-loaded low-profile bracket, a low-profile flat bracket, and a full-height bracket — so the card can fit into a variety of QNAP chassis configurations without requiring aftermarket hardware. For NAS owners looking to accelerate their storage without replacing existing hard drives, this expansion card provides a practical and cost-effective upgrade path.

Key Features

Connector: 2 x M.2 22110 or 2280 PCIe NVMe SSD Slots

PCIe and lanes: PCIe Gen2 x 4

Bracket: low-profile pre-loaded, low-profile flat and Full-height are bundled. * M.2 SSDs are not included as standard

Specifications

M.2 Slots
2 x M.2 22110/2280 PCIe NVMe SSD
Interface
PCIe Gen2 x4
Supported SSD Type
PCIe NVMe
Supported Form Factors
M.2 2280, M.2 22110
Included Brackets
Low-profile (pre-loaded), low-profile flat, full-height
SSDs Included
No

Pros & Cons

👍 Pros

  • Supports two NVMe SSDs on a single card, maximizing limited PCIe slot availability in a NAS
  • Includes three bracket options for flexible installation in different chassis sizes
  • Enables SSD caching or tiered storage to significantly boost NAS read/write performance
  • Supports both 2280 and 22110 M.2 form factors for wide SSD compatibility

👎 Cons

  • Limited to PCIe Gen2 x4 bandwidth, which caps throughput below what modern NVMe SSDs can deliver
  • Only compatible with select QNAP NAS models, not a universal PCIe add-in card
  • Does not include any M.2 SSDs, adding to the total cost of the upgrade
  • No onboard heatsink, which may lead to thermal throttling under sustained workloads

Frequently Asked Questions

The QM2-2P-244A is compatible with QNAP NAS units that have an available PCIe Gen2 x4 slot. Check QNAP's compatibility list for your specific NAS model before purchasing.
No, M.2 SSDs are not included. You will need to purchase compatible M.2 2280 or 22110 PCIe NVMe SSDs separately.
This card is designed specifically for use in compatible QNAP NAS devices and may not function in standard desktop PCs due to driver and firmware requirements.
It supports both M.2 2280 and M.2 22110 form factor NVMe SSDs in each of its two slots.
Yes, it ships with a low-profile bracket pre-loaded, plus an additional low-profile flat bracket and a full-height bracket to fit various enclosure configurations.

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