Raspberry Pi 4 Model B Memory & Storage Guide (2026)

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.

Table of Contents

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

Samsung EVO Plus 128GB microSD (A2)
Best microSD for Raspberry Pi. A2 rated for fast random I/O.
Check Price on Amazon UK

Samsung 970 EVO Plus 250GB NVMe
Perfect for Pi 5 M.2 HAT. Massive speed improvement over microSD.
Check Price on Amazon UK

Official Raspberry Pi M.2 HAT+
Required for NVMe SSD connection to Raspberry Pi 5.
Check Price on Amazon UK

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.