Raspberry Pi 4 Model B specifications, memory configuration, and storage upgrade options. While Raspberry Pi RAM cannot be upgraded after purchase, storage can be significantly improved with the right microSD card or NVMe SSD via HAT.
Memory Specifications
The Raspberry Pi 4 Model B features soldered LPDDR4X RAM that cannot be upgraded. Choose the right RAM configuration at purchase time.
| Specification | Details |
|---|---|
| RAM Type | LPDDR4X-4267 |
| RAM Capacity | 4GB / 8GB options |
| Upgradeable | No — soldered to board |
| CPU | Broadcom BCM2712 (Arm Cortex-A76) |
| GPU | VideoCore VII |
| Storage | microSD + M.2 NVMe via HAT |
Storage Upgrade Options
The best way to improve Raspberry Pi 4 Model B performance is through storage upgrades:
- M.2 NVMe SSD via official Raspberry Pi M.2 HAT — dramatically faster than microSD
- Samsung EVO Plus microSD (A2 rated) for best microSD performance
- USB 3.0 SSD boot — faster than microSD, no HAT required
- NVMe provides 5-10x faster random I/O vs best microSD cards
Recommended Products
Best microSD for Raspberry Pi. A2 rated for fast random I/O.
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Perfect for Pi 5 M.2 HAT. Massive speed improvement over microSD.
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Required for NVMe SSD connection to Raspberry Pi 5.
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Frequently Asked Questions
Can I upgrade Raspberry Pi 4 Model B RAM?
No. Raspberry Pi 4 Model B has soldered memory that cannot be upgraded after manufacture. Choose the highest RAM option at purchase for maximum flexibility.
What is the best storage for Raspberry Pi 4 Model B?
An NVMe SSD via the official M.2 HAT provides the best performance. If using microSD, choose an A2-rated card like the Samsung EVO Plus.
Recommended NVMe SSDs
Western Digital
Western Digital Black WD_BLACK™ SN850X NVMe™ SSD POWERED BY SANDISK 1
£248.05
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