Brands Guides About
SanDisk SD7UB3Q-128G-1122 128GB 2.5-Inch Solid State Drive — main product image
SanDisk

SanDisk SD7UB3Q-128G-1122 128GB 2.5-Inch Solid State Drive

★★★★★3.7 (12 reviews)
2.5 inch

SanDisk X300s 128GB 2.5-inch SATA SSD delivers faster boot times and reliable solid-state storage for system upgrades.

Check availability
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The SanDisk X300s SD7UB3Q-128G-1122 is a 2.5-inch SATA3 solid-state drive with 128GB of storage capacity. Designed as a drop-in replacement for traditional 2.5-inch hard drives, it fits standard laptop drive bays and desktop mounting brackets, making it a practical upgrade path for older systems. The shift from a mechanical hard drive to an SSD of this type typically results in dramatically faster boot times, quicker application launches, and more responsive general system performance.

With its SATA3 interface, the X300s is compatible with a wide range of systems, including those that may not support newer NVMe or M.2 standards. The 128GB capacity is best suited for housing an operating system and frequently used applications, while larger files and media can be stored on a secondary drive. As a solid-state drive with no moving parts, it runs silently and is more resistant to physical shock and vibration than traditional hard drives, making it a dependable choice for both stationary desktops and portable laptops that need a basic storage refresh.

Key Features

Self-encrypting SSD using AES 256-bit encryption

Support for tcg opal and Microsoft Encrypted hard drives

Compatible with Windows 8 Instant go

Advanced Flash management

Thermal throttling

Capacity: 128 GB

Form Factor: 2.5 inch

Interface: SATA 6 Gb/s

Specifications

Brand
SanDisk
Model
SD7UB3Q-128G-1122
Capacity
128GB
Form Factor
2.5-inch
Interface
SATA3 (6 Gbps)

Pros & Cons

👍 Pros

  • Standard 2.5-inch SATA3 form factor ensures broad compatibility with laptops and desktops
  • Solid-state design means no moving parts, resulting in quieter and more shock-resistant operation than HDDs
  • Provides noticeably faster boot and application load times compared to traditional hard drives
  • Low power consumption compared to mechanical drives, which can benefit laptop battery life

👎 Cons

  • 128GB capacity fills up quickly and may not be sufficient as a sole storage drive
  • SATA3 interface is significantly slower than modern NVMe drives
  • An older-generation SSD model that may lack newer controller and NAND improvements
  • Limited product detail available regarding specific read/write speed ratings

Frequently Asked Questions

It uses a SATA3 (6 Gbps) interface, which is compatible with any system that supports standard 2.5-inch SATA drives, including most laptops and desktops.
Yes, at 128GB it can serve as a boot drive for your operating system and essential applications, providing significantly faster startup times compared to a traditional hard drive.
Yes, the standard 2.5-inch form factor fits into laptop drive bays and is also compatible with desktop systems using a 2.5-to-3.5-inch adapter bracket.
128GB is sufficient for an operating system, core applications, and some files, but users with large media libraries or many installed programs may want to pair it with a secondary storage drive.

Related Products