52Pi W01 U2500 HAT adds 2.5GbE and NVMe SSD support to Raspberry Pi 5 SBC

Designed specifically for the Raspberry Pi 5 SBC, the 52Pi W01 U2500 HAT offers support for M.2 M-key NVMe SSDs (2230, 2242, 2260, and 2280) along with a 2.5GbE (2.5 Gbps Ethernet port) using a Realtek RTL8156BG chipset.

The most interesting thing about this board is its connectivity – the M.2 SSD is driven directly by the Raspberry Pi’s PCIe port that supports Gen2 & Gen3 standards. However, the 2.5Gbps Ethernet port requires a connection to one of the Pi’s USB ports using a specialized USB-to-USB adapter included by 52Pi.

Previously, we have seen 52Pi come up with very innovative and interesting HATs for Raspberry Pi including 52Pi P02 PCIe expansion board, 52Pi NVdigi Expansion Board, 52Pi CM4 Router Board, and many other products. If you want to try something new with your Raspberry Pi, feel free to check those out.

52Pi W01 U2500 USB 2.5GbE + NVMe HAT for Raspberry Pi 5

52Pi W01 U2500 2.5Gbps Ethernet + NVMe HAT specifications:

  • Compatibility – Made for Raspberry Pi 5.
  • NVMe SSD support – Supports M-key NVMe SSDs in sizes 2230, 2242, 2260, and 2280
  • Networking – 2.5Gbps Ethernet with Realtek RTL8156BG chipset (externally connects to the Pi via USB adapter)
  • Host interfaces – Raspberry Pi 5 PCIe FFC connector (30mm FFC cable provided) up to PCIe Gen2 or Gen3 x1 speeds and 40-pin GPIO header
  • Misc – LED indicator for M.2 disk activity.
  • Power Management
    • Voltage regulator 3A on the 3.3V rail, compliant with M.2 standard.
    • Requirements
      • USB 2.5Gbps Ethernet: +5V, 650mA
      • NVMe SSD – Power consumption depends on the SSD used.
  • Dimensions – 85 x 56 x 15.15mm

52Pi Ethernet+NVMe HAT EP-0228 Specifications

The device is plug-and-play, so you just need to connect the power and it’ll work as intended. 52Pi also mentions the hollow design enables excellent ventilation and cooling, ensuring optimal performance. You can check out their wiki page for further information about the HAT.

52Pi W01 U2500 Package Content
W01 U2500 kit content

The package includes everything you need to attach the HAT to your Raspberry Pi 5. Inside, you’ll find the W01 U2500 USB 2.5Gbps Ethernet + NVMe HAT, eight M2.5x4mm flat head screws, two 8.5x40mm PCIe FFC cables, a 40-pin PC104 pin header, four M2.5x17mm copper pillars, an M2 iron pillar for securing your SSD, and a handy screwdriver.

The 52Pi W01 U2500 2.5GbE + NVMe HAT for Raspberry Pi 5 is priced at $29.99 on Amazon under the GeekPi brand, as well as on Aliexpress ($27.45), and the 52Pi online store.

52Pi 2.5GbE+NVMe HAT installation steps
Installation steps

Via Hackster.io

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5 Replies to “52Pi W01 U2500 HAT adds 2.5GbE and NVMe SSD support to Raspberry Pi 5 SBC”

  1. 52Pi seems, from the images provided, to have designed this without thinking about the Pi5 cooling that is essentially required, so prospective purchasers need to know what will work.

    1. Well actually i think they did. The waveshare m.2 hat has a hole below the SSD but also sits lower. This hat is above the USB and ethernet connectors, giving the original Pi 5 cooler enough space to breath. This hat just didn’t think about airflow around the m.2 ssd.

  2. It’s interesting that they thought on how to avoid getting bottlenecked by the single Gen 2 lane.

    From the title, I thought it was going to have a PCIe switch which could result in meh performance for both SSD and ethernet when they are at full tilt.

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