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Green circuit board with two M.2 slots and a heatsink, low-profile bracket attached

Qnap

Qnap QM2-2S-220A Dual M.2 22110/2280 SATA SSD PCIe Gen2 x2 Card

SKU CH-3AXB-VF9NZ MPN QM2-2S-220A

Adds two M.2 2280 or 22110 SATA SSD slots via PCIe Gen2 x2 to boost NAS or PC performance with SSD caching and auto-tiering

  • TypeAccessory
  • FeaturesConnector: 2 x M.2 22110 or 2280 SATA SSD slots PCIe and Lan
  • Adds two M.2 SATA SSDs via PCIe Gen2 x2
  • Supports 2280 and 22110 form factors for flexible SSD choice
  • Includes low-profile and full-height brackets for any chassis
  • Heatsink and smart fan keep SSDs cool under load
  • LED indicators show drive status at a glance

Dual M.2 SATA expansion for QNAP NAS

The QM2-2S-220A adds two M.2 slots supporting 22110 or 2280 SATA SSDs via a PCIe Gen2 x2 connection. It installs without using any 3.5-inch drive bays, preserving capacity for mechanical drives. A quiet cooling module with heatsink and smart fan manages thermal load while LED indicators show drive status. Low-profile and full-height brackets are bundled for flexible chassis fit.

Suits NAS owners adding SSD caching or auto-tiering

This card targets administrators who want to accelerate a compatible QNAP NAS with SATA M.2 media for caching pools or Qtier auto-tiering volumes. It is not for builders who need more than two M.2 devices on a single card. It is not for systems that cannot supply a PCIe Gen2 x2 slot or that lack software support for SSD caching features.

Two M.2 slots limited to SATA protocol

The decisive specification is the pair of M.2 connectors restricted to SATA signalling. Buyers must select M.2 2280 or 22110 SSDs that use the SATA interface; drives using other protocols will not function in this card.

Highlights

  • Adds two M.2 SATA SSDs via PCIe Gen2 x2
  • Supports 2280 and 22110 form factors for flexible SSD choice
  • Includes low-profile and full-height brackets for any chassis
  • Heatsink and smart fan keep SSDs cool under load
  • LED indicators show drive status at a glance

Specifications

BrandQNAP
ModelQM2-2S-220A
TypeAccessory
FeaturesConnector: 2 x M.2 22110 or 2280 SATA SSD slots
PCIe and Lanes: PCIe Gen2 x2
Bracket: Low-profile pre-loaded, Low-profile flat and Full-height are bundled
* M.2 SSDs are not included as standard
Shipping weight0.27 kg
Package size197 × 124 × 51 mm

Questions about this item

How do I install the QM2-2S-220A card and which bracket should I use for my case?

Insert the card into a PCIe Gen2 x2 slot, secure the pre-loaded low-profile bracket for slim cases, or swap to the bundled full-height bracket for standard chassis.

What maintenance will the M.2 SATA SSDs on this card require over time?

Monitor the built-in thermal sensors via the NAS OS; the quiet cooling module with heatsink and smart fan manages heat, but SSDs themselves may need replacement when their write endurance is reached.

What bandwidth limit appears first when the card runs sustained workloads?

The PCIe Gen2 x2 interface caps throughput, so sustained sequential transfers will hit that ceiling before the dual SATA SSDs reach their individual limits.

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