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Thin green M.2 2280 SSD with black label, 80mm long

Silicon Power

Silicon Power UD90 4TB internal SSD

SKU CH-SPC9-C6W2N

4TB M.2 2280 internal SSD using PCIe 4.0 with sequential reads up to 5000 MB/s and writes up to 4500 MB/s

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity4TB
  • Memory Components3D NAND
  • InterfacePCI-Express 4.0

Options 4TB

  • 4TB
  • 2TB
  • 1TB

Struck-through versions exist but are not stocked here.

  • PCIe 4.0 interface delivers up to 5000 MB/s read speeds
  • Sequential writes reach 4500 MB/s for large file transfers
  • 4 TB capacity stores extensive media libraries and projects
  • 3D NAND with SLC caching sustains performance under heavy workloads
  • M.2 2280 form factor fits standard desktop and laptop slots

PCIe 4.0 NVMe SSD for creators

The Silicon Power UD90 is a 4TB M.2 2280 internal solid state drive built for consumer workloads that demand high sequential throughput. It connects through a PCIe 4.0 interface and delivers up to 5000 MBps read and 4500 MBps write speeds. The 3D NAND architecture supports sustained multi-tasking across creative applications.

SLC cache and LDPC protect data flow

On-board SLC caching boosts burst performance while low density parity check coding corrects transmission errors in real time. End-to-end data protection and RAID support add further integrity layers for critical project files. Host Memory Buffer technology reduces latency by using system DRAM for mapping tables.

Simple M.2 installation with thermal awareness

The single-sided 3.50 mm module fits standard M.2 slots without heatsink clearance issues. Motherboard standoffs at 80.0 mm depth secure the 8 g drive in seconds. Ensure the BIOS recognises PCIe 4.0 and NVMe 1.4 to unlock full bandwidth; older chipsets may limit speeds to PCIe 3.0 levels.

Highlights

  • PCIe 4.0 interface delivers up to 5000 MB/s read speeds
  • Sequential writes reach 4500 MB/s for large file transfers
  • 4 TB capacity stores extensive media libraries and projects
  • 3D NAND with SLC caching sustains performance under heavy workloads
  • M.2 2280 form factor fits standard desktop and laptop slots

Specifications

BrandSilicon Power
SeriesUD90
Part NumberSU04KGBP44UD9005SN
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity4TB
Memory Components3D NAND
InterfacePCI-Express 4.0
Max Sequential ReadUp to 5000 MBps
Max Sequential WriteUp to 4500 MBps
MTBF1,500,000 hours
Operating Temperature0°C ~ +70°C
Max Shock Resistance1500g/0.5ms
Height3.50mm
Width22.00mm
Depth80.0mm
Weight8g

Questions about this item

How long before the 4TB UD90 needs replacement based on its reliability rating?

The drive carries a 1,500,000-hour MTBF rating, indicating a very long expected service life under normal workloads before a replacement would be statistically likely.

What limits sustained write performance on the UD90 during heavy use?

Sequential write speeds reach up to 4500 MB/s; once the SLC cache fills during large continuous transfers, write throughput will drop to the native 3D NAND speed.

How hot does the M.2 2280 UD90 get when running all day at PCIe 4.0 speeds?

It is rated to operate between 0°C and 70°C; under sustained PCIe 4.0 loads the controller will throttle to stay within this thermal envelope.

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