#sdexpress
RIP #SDExpress card. #switch2 no longer recognizes it. Windows only sees 8GB and can't format it.
November 6, 2026 at 4:57 AM
Switch/Switch2は2TBのSDExpressカードまでいけるとかなんとか
September 11, 2026 at 9:18 AM
やっぱり値上がりしたしこのタイミングでSDExpress買っといてよかった
値上がりしそうなものをいくつかポチポチした
September 1, 2026 at 6:25 AM
それだけ入れるとなると、SDExpressカードもかなりの容量必要そうですね。
自分は、FF7リメイクシリーズ2作もあり、カードの容量使い切って本体も侵食され、一段容量大きなカード買う必要に迫られてます。
高いんですよねぇ🥲
August 20, 2026 at 5:21 AM
Debating what my priority for Switch 2 things should be between:
- SDExpress card
- Pro Controller or replacement
- Joycon replacement (a la the Split Pad Pro)
October 18, 2025 at 11:33 PM
SSDめっちゃ値上がりしてんな
新PC買ったときは2TBを2万弱くらいで買ったけど今は倍以上か、、、
Cドライブが小さいからクローン作るのが安く出たら買ってCドライブも2TB化しようと思っていたけど夢のまた夢

VRAM8GBのPC買っといてよかった
ノーマル品質でなら大体のゲームは遊べると思う

キオクシアがSDEXPRESS作ってくれるの待ってるけど発売されても高そうだな
February 22, 2026 at 1:52 AM
Switch2に使えるのはマイクロSDExpressだけですよ〜と教えていただいた。本体容量もそれなりにあるからまあとりあえず大丈夫かな
エクスプレスって何?
www.nintendo.com/jp/games/mic...
microSD Expressカードについて|Nintendo Switch 2|任天堂
「Nintendo Switch 2」のmicroSD Expressカードについてご紹介します。
www.nintendo.com
March 4, 2026 at 2:33 PM
microSD-express Pi Adapter is an ultra-small microSD Express adapter for the Raspberry Pi 5 We’ve just written about Will Whang’s RPI5-SDexpress-Hat board, which adds a microSD Express slot to....

Origin | Interest | Match
microSD-express Pi Adapter is an ultra-small microSD Express adapter for the Raspberry Pi 5
We’ve just written about Will Whang’s RPI5-SDexpress-Hat board, which adds a microSD Express slot to the Raspberry Pi 5, but it’s not that small, and it’s using the 40-pin GPIO for power, so it’s not convenient if you want to install another Raspberry Pi HAT+. Vassily Petrov’s “microSD-express Pi Adapter” is a much smaller microSD Express adapter on a flexible PCB that plugs directly into the PCIe FFC connector and nothing else, driving power from the PCIe connector only. There’s not much on the PCB itself besides a microSD Express card slot and a Microchip MIC2230 800mA/800mA step-down DC/DC regulator. We’re told speeds of up to 800 MB/s are achievable, limited by the PCIe Gen3 x1 interface on the Pi 5 itself. For reference, the RPI5-SDexpress-Hat was tested at about 600 MB/s for sequential reads and under 200MB/s for sequential writes using a 256GB Samsung microSD Express card. A worry I initially had was whether there was enough power through PCIe at all times. In theory, a microSD Express card can consume up to 1.8 Watts on a PCIe Gen3 x1 interface, and the two 5V pins on the PCIe interface of the Pi 5 are rated at 500mA (for 1A total current), so it should be enough at 5V (5 Watts in total). The microSD-express Pi Adapter is open-source hardware with KiCad schematics and PCB layout, PDF schematics, BoM, and Gerber files all released on GitHub, but without any clear license. If you plan to make one yourself, Vassily explains that “controlled impedance is critical for good PCIe performance. The files are designed for 50μm PI dielectric and 0.5oz copper”. There’s no indication that Vassily plans to sell the adapter, but I would not be surprised if it eventually shows up for a few dollars on AliExpress or eBay. Thanks to Tom for the tip. Jean-Luc Aufranc (CNXSoft) Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. Share this: **Support CNX Software! Donate viacryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress**. We also use affiliate links in articles to earn commissions if you make a purchase after clicking on those links.
www.cnx-software.com
August 1, 2025 at 3:25 AM
microSD-express Pi Adapter is an ultra-small microSD Express adapter for the Raspberry Pi 5 We’ve just written about Will Whang’s RPI5-SDexpress-Hat board, which adds a microSD Express slot to....

Origin | Interest | Match
microSD-express Pi Adapter is an ultra-small microSD Express adapter for the Raspberry Pi 5
We’ve just written about Will Whang’s RPI5-SDexpress-Hat board, which adds a microSD Express slot to the Raspberry Pi 5, but it’s not that small, and it’s using the 40-pin GPIO for power, so it’s not convenient if you want to install another Raspberry Pi HAT+. Vassily Petrov’s “microSD-express Pi Adapter” is a much smaller microSD Express adapter on a flexible PCB that plugs directly into the PCIe FFC connector and nothing else, driving power from the PCIe connector only. There’s not much on the PCB itself besides a microSD Express card slot and a Microchip MIC2230 800mA/800mA step-down DC/DC regulator. We’re told speeds of up to 800 MB/s are achievable, limited by the PCIe Gen3 x1 interface on the Pi 5 itself. For reference, the RPI5-SDexpress-Hat was tested at about 600 MB/s for sequential reads and under 200MB/s for sequential writes using a 256GB Samsung microSD Express card. A worry I initially had was whether there was enough power through PCIe at all times. In theory, a microSD Express card can consume up to 1.8 Watts on a PCIe Gen3 x1 interface, and the two 5V pins on the PCIe interface of the Pi 5 are rated at 500mA (for 1A total current), so it should be enough at 5V (5 Watts in total). The microSD-express Pi Adapter is open-source hardware with KiCad schematics and PCB layout, PDF schematics, BoM, and Gerber files all released on GitHub, but without any clear license. If you plan to make one yourself, Vassily explains that “controlled impedance is critical for good PCIe performance. The files are designed for 50μm PI dielectric and 0.5oz copper”. There’s no indication that Vassily plans to sell the adapter, but I would not be surprised if it eventually shows up for a few dollars on AliExpress or eBay. Thanks to Tom for the tip. Jean-Luc Aufranc (CNXSoft) Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. Share this: **Support CNX Software! Donate viacryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress**. We also use affiliate links in articles to earn commissions if you make a purchase after clicking on those links.
www.cnx-software.com
August 1, 2025 at 3:25 AM
Raspberry Pi 5 Gets a MicroSD Express Hat Article URL: https://www.cnx-software.com/2025/07/28/raspberry-pi-5-gets-a-microsd-express-hat/ Comments URL: https://news.ycombinator.com/item?id=44707062...

Origin | Interest | Match
Raspberry Pi 5 gets a microSD Express HAT
Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD Express card slot for ultrafast storage, an eject button, and two Qwiic connectors, probably because there was still some spare space on the board… As a reminder, microSD Express cards can deliver SSD performance thanks to the use of of PCIe interface and NVMe commands. The standard was first introduced in 2019, and even earlier (2018) for full-size SD cards, but manufacturers have not exactly rushed to release compatible hardware. A major change this year is the launch of the Nintendo Switch 2 portable game console, one of the first mass market devices with a microSD Express slot, and this was partially why Will created the microSD Express HAT+ for the Raspberry Pi 5. RPI5-SDexpress-Hat board specifications: MCU – STMicro STM8S003 8-bit microcontroller Host interface – PCIe Gen3 x1 FFC connector Expansion – 2x Qwiic [...] The post Raspberry Pi 5 gets a microSD Express HAT appeared first on CNX Software - Embedded Systems News.
www.cnx-software.com
July 28, 2025 at 4:19 AM
Raspberry Pi 5 gets a microSD Express HAT Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD... Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Ras...

Origin | Interest | Match
Raspberry Pi 5 gets a microSD Express HAT
Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD Express card slot for ultrafast storage, an eject button, and two Qwiic connectors, probably because there was still some spare space on the board… As a reminder, microSD Express cards can deliver SSD performance thanks to the use of of PCIe interface and NVMe commands. The standard was first introduced in 2019, and even earlier (2018) for full-size SD cards, but manufacturers have not exactly rushed to release compatible hardware. A major change this year is the launch of the Nintendo Switch 2 portable game console, one of the first mass market devices with a microSD Express slot, and this was partially why Will created the microSD Express HAT+ for the Raspberry Pi 5. RPI5-SDexpress-Hat board specifications: MCU – STMicro STM8S003 8-bit microcontroller Host interface – PCIe Gen3 x1 FFC connector Expansion – 2x Qwiic [...] The post Raspberry Pi 5 gets a microSD Express HAT appeared first on CNX Software - Embedded Systems News.
www.cnx-software.com
July 28, 2025 at 3:22 AM
Raspberry Pi 5 gets a microSD Express HAT Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD... Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Ras...

Origin | Interest | Match
Raspberry Pi 5 gets a microSD Express HAT
Will Whang’s RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD Express card slot for ultrafast storage, an eject button, and two Qwiic connectors, probably because there was still some spare space on the board… As a reminder, microSD Express cards can deliver SSD performance thanks to the use of of PCIe interface and NVMe commands. The standard was first introduced in 2019, and even earlier (2018) for full-size SD cards, but manufacturers have not exactly rushed to release compatible hardware. A major change this year is the launch of the Nintendo Switch 2 portable game console, one of the first mass market devices with a microSD Express slot, and this was partially why Will created the microSD Express HAT+ for the Raspberry Pi 5. RPI5-SDexpress-Hat board specifications: * MCU – STMicro STM8S003 8-bit microcontroller * Host interface – PCIe Gen3 x1 FFC connector * Expansion – 2x Qwiic connectors * Misc – Eject button, Power LEDs, Mounted LED * Power Management * 5V supply via 40-pin GPIO header (6-pin header used) * 1.8V/3.3V fixed output * LP5907 voltage * PAM2306 step-down DC convertor for 1.8V voltage * Dimensions – Small The good news is that it just works: Here are some storage benchmarks using PiBenchmarks.com with the Raspberry Pi 5 configured to use PCIe Gen3 x1: Category Test Result HDParm Disk Read 631.68 MB/sec HDParm Cached Disk Read 699.12 MB/sec DD Disk Write 169 MB/s FIO 4k random read 48761 IOPS (195047 KB/s) FIO 4k random write 26290 IOPS (105160 KB/s) IOZone 4k read 22803 KB/s IOZone 4k write 137502 KB/s IOZone 4k random read 31366 KB/s IOZone 4k random write 178701 KB/s 12345678910 | Category Test ResultHDParm Disk Read 631.68 MB/secHDParm Cached Disk Read 699.12 MB/secDD Disk Write 169 MB/sFIO 4k random read 48761 IOPS (195047 KB/s)FIO 4k random write 26290 IOPS (105160 KB/s)IOZone 4k read 22803 KB/sIOZone 4k write 137502 KB/sIOZone 4k random read 31366 KB/sIOZone 4k random write 178701 KB/s ---|--- The read speed is indeed better than a typical microSD card (630MB/s+), but the sustained write speed is closer to a high-end traditional Class A1/A2 microSD card at under 200 MB/s. Random I/IOs are much better, too. You may wonder why a microcontroller is needed here. As one reader explained in our article about a microSD Express to M.2 NVMe SSD for the Nintendo Switch 2, some logic is required: > It will not work without a proper SD handshake and CMD8 command response with PCIe flags as SD host controller needs to enable and reset PCIe side for this to work… The design is fully open-source with KiCad schematics and BoM available on GitHub. I could not see the firmware for the STM8S MCU just yet, but the project is based on Will’s earlier RPi5-CFE-Hat CFexpress Card hat for Raspberry Pi 5, whose firmware is available, so it’s probably just a matter of time. Sadly, having a microSD Express card slot on the Raspberry Pi 5 does not make a lot of sense at this point due to the cost of MicroSD Express card. An M.2 NVMe SSD is cheaper, and so is a CFexpress Type B card. For reference, the Samsung 256GB microSD Express card used in the demo sells for $59.99 on Amazon, while a similar SSD goes for about $25, and an M.2 SSD in a CFExpress Type B card is also slightly cheaper. Samsung 256GB microSD EX card For those reasons, Will will not manufacture the HAT, but the design is released under a permissive MIT license, so anybody could manufacture it if needed. Maybe a microSD Express slot will make sense in a future Raspberry Pi 6, as prices come down. Jean-Luc Aufranc (CNXSoft) Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. Share this: **Support CNX Software! Donate viacryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress**. We also use affiliate links in articles to earn commissions if you make a purchase after clicking on those links.
www.cnx-software.com
July 27, 2025 at 5:02 PM
個人的にはSDexpressとかSDUCとかって言われてる謎の規格があるのもよくわからん。それこそCFe Type-Aで良いじゃんって思ってしまう
January 23, 2026 at 1:38 PM
Switch2のSDExpressカード、一向に安くならない
Switch2のSDExpressカード、一向に安くならない
ニシくんが「Switch2のために大量生産されるから安くなる」と豪語してたのに
geemato.com
May 4, 2026 at 3:21 PM
This open source Raspberry Pi HAT adds a microSD Express card reader for PCIe SSD-like speed (read speed anyway, write is less impressive). MicroSD Express cards are pricey & rare, so this board won't be mass produced, but you can make your own from the designs. www.cnx-software.com/2025/07/28/r...
Raspberry Pi 5 gets a microSD Express HAT - CNX Software
Will Whang's RPI5-SDexpress-Hat is a small HAT+ for the Raspberry Pi 5, adding a microSD Express card slot for ultrafast storage, an eject button, and two
www.cnx-software.com
July 27, 2025 at 5:24 PM
マイクロSDExpressマジで売ってなくて草だぜ
April 2, 2025 at 3:16 PM
there's no minimum performance characteristic for an sdexpress card, it only defines the interface
April 8, 2025 at 5:43 PM
iiuc it's not actually SDExpress-only, I think they only require it for storing games, so you can still store screenshots etc. on a regular sd
April 8, 2025 at 12:05 PM
I dunno. SDExpress is pretty sick but the weakness was adoption. 'Why should my device use SDExpress when there's so little demand for SD Express cards?'

The Switch 2 using it gives motivation to make a lot more of them, and thus for more devices to include SD Express drives.
October 8, 2025 at 1:36 PM