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Silicon Power

Silicon Power UD90 1TB internal SSD SU01KGBP44UD9005SN

SKU CH-E4T0-BJ60K MPN SU01KGBP44UD9005SN

M.2 2280 1 TB PCIe 4.0 SSD reaching 5000 MB/s read and 4800 MB/s write with 600 TBW endurance

  • Total capacity1 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 1TB

  • Faster workflows with PCIe 4.0 sequential reads up to 5000 MBps
  • Quicker project saves from sequential writes up to 4800 MBps
  • Reliable heavy workloads backed by 600 TBW endurance rating
  • Data integrity protected by LDPC error correction and E2E protection
  • Fits standard M.2 2280 slots for easy system upgrades

Silicon Power UD90 1TB M.2 2280 NVMe SSD

The Silicon Power UD90 is a 1TB internal solid-state drive built in the M.2 2280 form factor. It uses 3D NAND flash memory and connects through a PCIe 4.0 x4 interface. The drive targets consumer workloads such as content creation and everyday multitasking. No heatsink is included with this model.

PCIe 4.0 x4 bandwidth ceiling

The drive operates on the PCIe 4.0 x4 standard, which sets the practical throughput limit for this device. Sequential reads reach up to 5000 MBps and sequential writes up to 4800 MBps. Performance scales with the host slot; a PCIe 3.0 slot will restrict speeds to that generation's lower ceiling. The NVMe 1.4 protocol and Host Memory Buffer support manage latency within this bandwidth envelope.

600TB written endurance rating

The drive carries a 600TB total bytes written (TBW) rating and a 1,500,000-hour MTBF figure. These numbers define the write endurance and reliability expectation for the 1TB capacity. SLC caching and LDPC error correction help sustain performance and data integrity across the rated lifespan. RAID support and end-to-end data protection add further redundancy for critical workloads.

How it compares

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

Price $114.99
Cheaper than about 68% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 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 $114.99 per TB
Cheaper than about 76% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSilicon Power
Model nameUD90
Part numberSU01KGBP44UD9005SN
Total capacity1 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
Write endurance600 TB
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.14 kg
Package size102 × 76 × 8 mm
Environment & compliance
Operating temperature range0 °C to 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

Should I pick the 1TB UD90 or look for a different capacity?

The UD90 model listed here is the 1TB version.

What do the 5000 MB/s read and 4800 MB/s write figures mean once the drive is installed?

Those are maximum sequential speeds over PCIe 4.0 x4. Real-world throughput depends on the motherboard slot, workload and thermal conditions; the drive will not exceed these peaks.

Does the PCIe 4.0 x4 interface cap performance in any way?

The drive runs at PCIe 4.0 x4, giving up to 5000 MB/s read and 4800 MB/s write. If installed in a PCIe 3.0 slot the bandwidth halves, limiting sequential speed.

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