# ASUS 802.11ac Wireless-AC1200 Bluetooth 4.0 PCIe/mPCIe Adapter (PCE-AC55BT)

- Category: Wireless Network Adapter
- Brand: ASUS
- Model: PCE-AC51
- Part number: PCE-AC51
- Price (US): $54.99
- Price last checked: 2026-08-05
- Rating: 4.3/5 from 289 Amazon reviews
- Warranty: 2 years
- Product page: https://buildmypc.net/component-details/wireless-network-adapter/asus-pce-ac51/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | ASUS |
| Model | PCE-AC51 |
| Protocol | 802.11ac/a/b/g/n |
| Interface | PCIe x1 |
| Color | Black |

## Key Features

- Dual-band 2x2 802.11ac Wi-Fi with combined speed of 1167 Mbps
- Bluetooth 4.0 supports a variety of Bluetooth Low Energy (BLE) devices
- Compatible with both PCIe and mPCIe slots
- External antenna base for flexible placement to maximize coverage
- R-SMA antenna connectors enable compatibility with a variety of aftermarket antennas

---

Source: BuildMyPC (https://buildmypc.net/) — free PC parts compatibility checker. Prices update daily. As an Amazon Associate, BuildMyPC earns from qualifying purchases.