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Green circuit board with silver PCI-E edge connector, Mini PCI-E slot, USB Type-A port and two black dipole antennas

Silverstone

Silverstone SST-ECWA2-LITE Mini PCI-E to PCI-E x1 expansion card

SKU CH-D29J-0G409 MPN SST-ECWA2-LITE

Converts a Mini PCI-E slot to a standard PCI-E x1 slot with USB 2.0 support and dual-band antennas

  • External USB ports1 × 9pin USB 2.0 pin header, 1 x USB Type-A female port
  • Supported standards1 x Low profile PCI-E
  • Product typeMini PCI Express to PCI Express
  • DetailsAdapter card Connector: 52pin Mini PCI-E connector 1 × 9pin
  • Key featuresMini PCI-E to standard PCI-E x1 adapter card Support Mini PC
  • Product dimensions9.25 in × 1.89 in × 1.89 in
  • Converts Mini PCI-E cards to full-size PCI-E x1 slots
  • Includes both standard and low-profile brackets for any case
  • Supports 1.5V and 3.3V Mini PCI-E cards automatically
  • Adds internal 9-pin USB 2.0 header plus external Type-A port
  • Dual-band dipole antennas cover 2.4 GHz and 5 GHz bands

Silverstone Mini PCI-E Adapter

The Silverstone SST-ECWA2-LITE converts a 52pin Mini PCI-E slot into a standard PCI-E x1 connection. It targets builders adding Wi-Fi and Bluetooth combo cards to motherboards lacking M.2 or full-size slots. Both 1.5V and 3.3V Mini PCI-E modules are supported. The card includes standard and low profile brackets for flexible chassis fit.

USB 2.0 Expansion and Antennas

A 9pin USB 2.0 header and a USB Type-A female port provide two extra USB 2.0 links for the combo card and peripherals. Two dual band dipole antennas cover 2.4 to 2.5GHz at 2dBi and 5.1 to 5.8GHz at 3dBi with linear vertical polarisation and omni directional radiation. SWR is 2.0 or lower at 50 Ohms impedance. Maximum antenna input power is 50W.

Build Integration Notes

The adapter measures 9.25 by 1.89 by 1.89 inches and weighs 0.03 lb. It needs an available PCI-E x1 slot and internal space for the antenna cables. Builders without a free PCI-E x1 slot or those requiring USB 3.0 speeds cannot use this card. The low profile bracket frees up room in slim cases while the standard bracket suits full height builds.

How it compares

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

Price $20.99
Cheaper than about 68% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameSilverstone
Model nameSST-ECWA2-LITE
Product typeMini PCI Express to PCI Express
Connectivity
Supported standards1 x Low profile PCI-E
Ports & slots
External USB ports1 × 9pin USB 2.0 pin header, 1 x USB Type-A female port
Size & build
Product dimensions9.25 in × 1.89 in × 1.89 in
Product weight0.03 lb (0.01 kg)
Shipping weight0.15 kg
Package size188 × 130 × 33 mm

Questions about this item

Will the SST-ECWA2-LITE work with a Mini PCI-E card that runs at 1.5V or 3.3V?

Yes, the adapter supports Mini PCI-E cards at both 1.5V and 3.3V, so it is compatible with either voltage standard.

How can I confirm the adapter is functioning after installing a Wi-Fi combo card?

The Wi-Fi and Bluetooth functions from the Mini PCI-E card should appear in Device Manager, and the extra USB 2.0 Type-A port will show as an additional root hub when a device is plugged in.

What brackets and antennas are included, and what must I source separately?

The box contains one standard-height bracket, one low-profile bracket, and two dual-band dipole antennas (2.4 GHz 2 dBi / 5 GHz 3 dBi); you only need to provide the Mini PCI-E card itself.

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