990 Pro 2TB vs UD90 1TB | PCPartMatch

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990 Pro 2TB vs UD90 1TB | PCPartMatch

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Storage Drives
990 Pro 2TB vs UD90 1TB

Samsung

990 Pro 2TB

VS

Silicon Power

UD90 1TB

5specs won

of7specs

1specs won

The Samsung 990 Pro 2TB wins in 5 out of 7 comparable specs, with 1 tie. Its biggest advantage is Capacity (100% better).

UD90 1TB wins in 1 spec (MSRP: 74% better).

Recommendation

Choose 990 Pro 2TB if you want the best overall performance — especially capacity.

Choose UD90 1TB if msrp matters more to you.

Detailed Specifications

Specification

Samsung990 Pro 2TB

Silicon PowerUD90 1TB

Storage

Capacity

2000 GB+100%

1000 GB

Type

NVMe SSD

NVMe SSD

Interface

Add Another Component

PCIe Gen4 x4

PCIe Gen4 x4

Form Factor

M.2-2280

M.2-2280

NAND Type

TLC

TLC

Performance

Sequential Read

7,450 MB/s+55%

4,800 MB/s

Sequential Write

6,900 MB/s+64%

4,200 MB/s

Endurance (TBW)

1,200+100%

600

Features

DRAM Cache

Yes+100%

No

Platform

Controller

Samsung Pascal

Phison PS5021-E21T

PCIe Gen

4

4

Price

MSRP

$170

$45−74%

Release Date

Oct 2022

Mar 2023