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Green PCB with two M.2 slots and a SATA connector, fits a 2.5 inch drive bay

STARTECH

STARTECH S322M225R dual M.2 SATA expansion card

SKU CH-G5ZM-ZBR9S MPN S322M225R

Fits two M.2 SATA SSDs into a 2.5 inch bay with RAID 0, 1, spanning or JBOD and TRIM support

  • Dual M.2 SATA SSDs fit in one 2.5″ bay
  • RAID 0, 1, spanning or JBOD modes supported
  • Full-length 2230, 2242, 2260, 2280 B-key drives accepted
  • TRIM and SMART keep SSD performance stable
  • Up to 6 Gbps transfer via SATA III controller

Dual M.2 SATA RAID adapter for 2.5" bays

This StarTech S322M225R adapter lets you install two M.2 SATA SSDs into a single 2.5" SATA drive bay. It presents the pair as one SATA III device so you can add high-capacity solid-state storage without needing a spare M.2 slot on the motherboard.

Check your drive bay and SSD keys before ordering

You need an available 2.5" SATA bay and a SATA III port on the motherboard or controller. The card only accepts B-key M.2 SATA modules in 2230, 2242, 2260 or 2280 lengths; M.2 NVMe or AHCI PCIe drives will not work.

Ideal for adding redundant or striped SATA storage

Builders who want RAID 0, RAID 1, spanning or JBOD from two SATA M.2 drives in a laptop or small-form-factor desktop will benefit. Anyone needing NVMe speeds, PCIe connectivity or a single-drive upgrade should look elsewhere.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 65% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameSTARTECH
Model nameS322M225R
Size & build
Shipping weight0.10 kg
Package size170 × 157 × 33 mm

Questions about this item

What comes in the box and do I need to buy any cables or brackets separately?

The adapter installs directly into a 2.5" drive bay and provides two M.2 slots for SATA SSDs; no extra cables or brackets are required for the mechanical install.

Should I choose RAID 0, RAID 1, spanning or JBOD for my two M.2 SATA SSDs?

RAID 0 stripes data for maximum capacity and speed, RAID 1 mirrors for redundancy, spanning combines drives linearly, and JBOD presents each SSD separately when the host controller supports port multiplication.

Will I see the full 6Gbps SATA III throughput once the card is installed in my system?

Each M.2 SATA SSD can run at up to 6Gbps through the host SATA III controller, so real-world transfer rates match the drive's own SATA III limits.

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