Crucial

Crucial CTFDDAC064MAG-1G1 64GB RealSSD SATA Drive

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Swap your aging hard drive for solid-state speed with the Crucial RealSSD C300 64GB SATA drive.

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Overview

The Crucial RealSSD C300 64GB is a 2.5-inch SATA solid-state drive designed to replace traditional mechanical hard drives in laptops and desktops. As one of the first consumer drives to take advantage of the SATA 6Gb/s interface, the C300 delivers sequential read speeds up to 355MB/s—fast enough to make a tangible difference in boot times, application launches, and general system responsiveness compared to a spinning disk. Its backward compatibility with SATA 3Gb/s ensures it works in older systems as well, topping out at 265MB/s reads on that interface.

The main trade-offs are the 64GB capacity and the 75MB/s sequential write speed. The limited storage means this drive is best used as a dedicated operating system and applications drive, paired with a larger secondary disk for files and media. The write speed, while adequate for everyday tasks like installing software or saving documents, will feel slow during sustained large file transfers. For users looking to breathe new life into an aging system on a tight budget, the C300 still offers a meaningful performance boost over any mechanical drive—just go in knowing that capacity management will be part of the daily experience.

Key Features

Item Package Dimension: 6.5L x 5.2W x 1.4H inches

Item Package Weight - 0.35 Pounds

Item Package Quantity - 1

Product Type - COMPUTER DRIVE OR STORAGE

Specifications

Brand
Crucial
Model
CTFDDAC064MAG-1G1
Capacity
64GB
Form Factor
2.5"
Interface
SATA 6Gb/s
Sequential Read (SATA 6Gb/s)
355MB/s
Sequential Read (SATA 3Gb/s)
265MB/s
Sequential Write
75MB/s

Frequently Asked Questions

It can hold an operating system and a few essential applications, but 64GB fills up quickly. It works best as a dedicated boot drive with a larger secondary drive for files.
Yes, the Crucial C300 is backward compatible. On a SATA 6Gb/s port it reaches up to 355MB/s reads, while on an older SATA 3Gb/s port it still delivers up to 265MB/s reads.
It is a standard 2.5-inch form factor, which fits directly into laptop drive bays and into desktop systems using a 2.5-to-3.5-inch adapter bracket.
Sequential write speed is rated at 75MB/s, which is significantly lower than the 355MB/s read speed. This is typical for early-generation SSDs at this capacity tier.