News Release - M2P-42DP Series Industrial PCIe Gen4 x2 M.2 2242 B+M Key SSD
June 2026
UDinfo is excited to introduce the M2P-42DP Series is an industrial PCIe Gen4 x2 M.2 2242 B+M Key SSD that delivers NVMe-class performance to SATA-based systems without requiring any hardware redesign.
Built on Kioxia's latest 218-layer BiCS8 3D NAND, the M2P-42DP achieves up to 3,500 / 3,300 MB/s sequential read/write speeds is six times faster than SATA while fitting directly into the M.2 2242 B+M Key slots already found in most industrial platforms. Whether your system is a fanless Box PC, a DIN-rail controller, or an edge AI gateway, the M2P-42DP is the storage upgrade that works within your existing design.
⚡ Why B+M Key? The Drop-In Upgrade That Changes Everything
Most industrial systems built around SATA were never meant to be replaced — they were meant to last. But performance demands don't stand still.
The M2P-42DP's B+M Key connector physically fits both B Key and M Key M.2 sockets. If the slot supports PCIe signaling, the upgrade is immediate. No motherboard swap. No mechanical redesign. No recertification.
- 6x Faster — Up to 3,500 / 3,300 MB/s vs. SATA's 550 MB/s ceiling
- Half the Size — M.2 2242 footprint, ideal for space-constrained and fanless designs
- Backward Compatible — PCIe Gen4 x2 with Gen3/Gen2/Gen1 fallback across platform generations
💡 Two Configurations. One Industrial Standard.
| Flash Type | Capacity | Read / Write | Best For | Temp. |
|---|---|---|---|---|
| 3D TLC | 256 GB – 2 TB | 3,500 / 3,300 MB/s | General industrial storage | Std: 0°C~70°C / Ext: -25°C~85°C / Ind: -40°C~85°C |
| 3D pSLC | 80 GB – 640 GB | 3,500 / 3,300 MB/s | Write-intensive workloads | Std: 0°C~70°C / Ind: -40°C~85°C |
The pSLC option delivers over 10x greater write endurance than standard TLC — purpose-built for data logging, AI inferencing, and continuous write applications.
🔒 Key Specifications
| Form Factor | M.2 2242-S2-B-M |
| Interface | PCIe Gen4 x2, NVMe 2.0 |
| Seq. Read / Write | Up to 3,500 / 3,300 MB/s |
| Dimensions | 42 x 22 x 2.15 mm |
| Security | TCG Opal 2.0, AES 256-bit |
🏭 Target Applications
Industrial Automation, Edge AI & IoT, Transportation, Medical Devices, and Ruggedized Embedded Computing.
For product details or sample requests, please refer to M2P-42DP BM Key page or contact us at 