Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SP04KGBP44UD9005)

4TB of Gen4 Speed. Editor's Choice Performance.

The Silicon Power UD90 4TB NVMe SSD earned Tom's Hardware Editor's Choice for a reason — it delivers PCIe Gen 4x4 performance at a price that makes upgrading your system a no-brainer. With read speeds up to 5,000 MB/s and write speeds up to 4,500 MB/s, this drive handles everything from massive game libraries to creative workloads without breaking a sweat.

Built on 3D NAND with NVMe 1.4 protocol and an M.2 2280 form factor, the UD90 slots into virtually any modern desktop, laptop, or compatible system — and delivers the kind of throughput that makes your whole setup feel faster.

Key Specs

• Capacity: 4TB — store your entire game library, projects, and media
• Interface: M.2 2280 PCIe Gen 4 x4 NVMe 1.4
• Read Speed: Up to 5,000 MB/s
• Write Speed: Up to 4,500 MB/s
• NAND Type: 3D NAND — reliable, high-density storage
• Model: SP04KGBP44UD9005
• Award: Tom's Hardware Editor's Choice

Who It's For

The system builder who wants Gen4 performance without Gen4 pricing. The gamer who's tired of load screens. The creator who needs massive, fast storage that just works. The UD90 is the value champion your loadout has been waiting for.

Why Gamer Fresh Curated This

We source performance-first components for people who optimize everything. The Silicon Power UD90 hits the sweet spot of capacity, speed, and value — exactly the kind of upgrade that makes your whole system feel new without breaking the bank.

Build your setup. Run your system. Game smarter.