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

- Category: Storage
- Brand: SP Silicon Power
- Model: SP04KGBP44UD9005AY
- Part number: SP04KGBP44UD9005AY
- Price (US): $489.97
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 3341 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/storage/sp-silicon-power-sp04kgbp44ud9005ay/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | SP Silicon Power |
| Model | SP04KGBP44UD9005AY |
| Maximum Capacity | 4 TB |
| Form Factor | M.2-2280 (SSD) |
| Cache Memory | N/A |
| Interface | M.2 PCIe 4.0 X4 |

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