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Silicon Power UD90 2TB M.2 2280 SSD bare circuit board

Silicon Power

Silicon Power SU02KGBP44UD9005SN 2TB internal SSD

SKU CH-RJAE-H9BDH MPN SU02KGBP44UD9005SN

2 TB PCIe 4.0 x4 M.2 2280 internal SSD with up to 5000 MB/s read and 4800 MB/s write speeds

  • Total capacity2 TB
  • Sequential read speedUp to 5,000 MB/s
  • Sequential write speedUp to 4,800 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 2TB

  • Faster boot and load times with PCIe 4.0 read speeds up to 5000 MBps
  • Quicker file saves and transfers via PCIe 4.0 write speeds up to 4800 MBps
  • Reliable long-term storage backed by 1500000 hours MTBF
  • Efficient multitasking through NVMe 1.4 and Host Memory Buffer support
  • Data integrity protected by LDPC error correction and end-to-end data protection

2 TB PCIe 4.0 Internal SSD

The Silicon Power UD90 is a 2 TB M.2 2280 drive built for consumers who need fast storage in a standard desktop or laptop slot. It uses 3D NAND flash and connects through a PCI-Express 4.0 x4 link. The drive targets creators and multitaskers who want shorter load times without paying a premium for flagship hardware.

NVMe 1.4 and HMB support

Firmware enables NVMe 1.4 and Host Memory Buffer technology, which lets the controller borrow a slice of system RAM for mapping tables. This lowers latency and keeps random performance steady during mixed workloads. SLC caching absorbs write bursts, while LDPC error correction guards data integrity across the NAND array.

PCIe 4.0 x4 bandwidth ceiling

Sequential reads top out at 5000 MBps and writes at 4800 MBps, but only when the host platform supplies a full PCIe 4.0 x4 connection. On a PCIe 3.0 slot the link halves to 3.0 speeds, cutting throughput roughly in half. The controller cannot exceed the electrical limits of the bus it sits on.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $238.99
Pricier than about 61% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 5,000 MB/s
Higher than about 70% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $119.50 per TB
Cheaper than about 74% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSilicon Power
Model nameUD90
Part numberSP02KGBP44UD9005
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 5,000 MB/s
Sequential write speedUp to 4,800 MB/s
Storage
NAND flash type3D NAND
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.02 kg
Package size104 × 84 × 6 mm
Environment & compliance
Operating temperature range0 °C - 70 °C
Max shock tolerance1500g/0.5 ms
More details
Mean time between failures1,500,000 h

Other versions of this model

2 more in the same range

Questions about this item

What is the MTBF rating for the Silicon Power UD90 2TB SSD?

The drive has an MTBF of 1,500,000 hours, indicating its expected reliability over long-term use.

Does the UD90 2TB include a heatsink for sustained PCIe 4.0 speeds?

No, this model ships without a heatsink, so thermal throttling may occur under heavy sustained workloads.

What is the operating temperature range for the UD90 2TB during all-day use?

The drive is rated for 0°C to 70°C, ensuring stable operation within standard system temperatures.

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