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Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005)
SP Silicon Power

Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005)

Bottom line: The Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5 ($143.97 on Amazon as of 2026-10-07): PCIe Gen4 speeds up to 5,000 MB/s read and 4,800 MB/s write; main trade-off: needs a PCIe 4.0 M.2 slot to hit rated 5,000 MB/s speeds.

$143.97

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Buy on Amazon — $143.97 Compare to similar ssds & storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ PCIe Gen4 speeds up to 5,000 MB/s read and 4,800 MB/s write
  • ✓ 5-year limited warranty from Silicon Power
  • ✓ SLC caching lifts sequential and random performance
  • ✓ HMB and NVMe 1.4 support keep latency low

Cons

  • ✗ Needs a PCIe 4.0 M.2 slot to hit rated 5,000 MB/s speeds
  • ✗ HMB design borrows system RAM instead of onboard DRAM cache
  • ✗ 5,000 MB/s trails newer Gen4 drives near the 7,000 MB/s ceiling
  • ✗ Sustained writes drop once the SLC cache fills

Manufacturer description

Silicon Power built the UD90 around content creation workloads, where timeline scrubbing, large project files, and multiple open applications punish slower drives. Drop it into a motherboard with a PCIe 4.0 M.2 slot and you get close to double the bandwidth of a Gen3 drive, which shortens large file transfers and lets you move more data in the same window. Under the hood, SLC caching lifts both sequential and random read/write performance, while LDPC error correction guards the accuracy of data in transit and at rest. NVMe 1.4 support and Host Memory Buffer technology keep latency low so…

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SpecPicks Verdict

SpecPicks scored Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5 using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. SP Silicon Power's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the Silicon Power UD90 1TB?

Silicon Power rates the UD90 at up to 5,000 MB/s sequential read and 4,800 MB/s sequential write over a PCIe 4.0 x4 connection.

Will the UD90 work in a PCIe 3.0 motherboard?

It is an M.2 NVMe drive and is backward compatible, but rated speeds require a PCIe 4.0 slot. On Gen3 you get roughly half the bandwidth.

What warranty does the UD90 come with?

Silicon Power covers the UD90 with a 5-year limited warranty. Check the product listing for full terms and regional coverage.

Is the UD90 good for video editing and content creation?

Silicon Power designed it for creators. SLC caching, HMB, and NVMe 1.4 support target multi-tasking across creative applications with lower latency.

Does the UD90 protect against data corruption?

Yes. It uses LDPC error-correction coding and built-in end-to-end data protection, and it supports RAID configurations for drive-failure redundancy.

Key Features

  • To bolster its multi-tasking factor even further, the UD90 takes advantage of increased bandwidth when used in conjunction with motherboards equipped with PCIe 4.0 slots. In fact, it has nearly double the bandwidth of PCIe 3.0 for shorter download times and the ability to download more files within the same amount of time.
  • An SSD's speed is meaningless without the ability to handle that speed reliably. The UD90 achieves improved sequential read/write and random read/write performance with support for SLC Caching. At the same time, it supports low density parity check (LDPC) coding to ensure accuracy of data transmission and reliability of data access.
  • The UD90 supports RAID to protect data in the case of a drive failure. It's also equipped with built-in E2E data protection for enhanced data transfer integrity. Unexpected things can happen at any moment, but the UD90 is prepared for them with your data at its utmost priority.
  • 5-year limited warranty

Full Specifications

BrandSP Silicon Power
Color1TB
Model NameUD90
Read Speed5000 megabytes_per_second
Unit Count1 Count
Form FactorM.2 2280
Media Speed4800 megabytes_per_second
Model NumberSP01KGBP44UD9005
Built-In Mediaなし
Hard-Drive Size1 TB
Mfr Part NumberSP01KGBP44UD9005
Number of Items1
Special FeaturePortable
Installation TypeInternal Hard Drive
Compatible DevicesDesktop
Data Transfer Rate5000 megabits_per_second
Enclosure MaterialPCBA
Additional FeaturesPortable
Hard Disk InterfacePCIE x 4
Warranty Description5-year limited warranty

Ready to buy?

Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $143.97

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005)
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