Crucial BX500 1TB 2.5-Inch SATA SSD (CT1000BX500SSD1): features and specs

The Crucial BX500 (CT1000BX500SSD1) is a 1TB internal solid-state drive in the 2.5-inch SATA format. It is built for upgrading a laptop or desktop that still uses a spinning hard drive, replacing it with flash storage so the computer starts and loads files faster. Crucial describes it as a way to add the speed of flash memory to an existing machine.

Why swap a hard drive for an SSD

A hard drive reads data with a moving head over a spinning platter. An SSD stores data in flash memory chips, so there is nothing to spin up or move. In everyday use, that usually means quicker start-up, faster program launches and a more responsive system. Crucial says the BX500 is 300% faster than a typical hard drive and 45 times more energy efficient, which it links to improved battery life on laptops.

What up to 540 MB/s means

The listing gives a maximum read speed of 540 MB/s. That is close to the ceiling of the SATA interface, which is why SATA drives of this kind usually top out in that range. Newer M.2 NVMe drives can be several times faster, but they need a compatible slot. A 2.5-inch SATA drive fits a wide range of older machines, which is the point of this format.

The memory inside

Crucial says the drive uses Micron 3D NAND, and notes that Micron has been advancing memory and storage technology for 40 years. 3D NAND stacks memory cells in layers, which allows more capacity in the same space.

Size and fit

The drive measures about 3.9 by 2.8 inches and is only 0.3 inches thick, a slim profile. It's meant for a standard 2.5-inch bay. Some laptops use a thinner bay or an M.2 slot instead, so the physical format matters.

Warranty

Crucial backs the drive with a 3-year limited warranty.

Who it suits

It suits owners of older laptops and desktops who want a faster, quieter system without buying a new computer, and anyone adding a second drive for extra storage.

What to check before you buy

• Bay and connector: confirm your computer has a 2.5-inch SATA bay, not just an M.2 slot.
• Moving your data: plan how you will copy or reinstall your system. Cloning software or a USB adapter often helps.
• Operating system: check that your computer's firmware can boot from the drive.
• Capacity: 1TB suits most users, but check how much data you currently keep.
• Backups: back up before you open the machine.

The short version

• 1TB internal 2.5-inch SATA SSD using Micron 3D NAND.
• Read speeds up to 540 MB/s, the typical range for SATA.
• Crucial says it is 300% faster than a typical hard drive.
• Suited to upgrading older laptops and desktops.
• Backed by a 3-year limited warranty.

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