Cheapest 4 TB 2.5" SATA SSD

A 4 TB 2.5-inch SATA SSD is a solid-state drive that holds your files, applications, and operating system with no moving parts. It drops into most desktops and laptops that have a 2.5-inch drive bay. Before you buy, check three things: the form factor (2.5-inch), the interface (SATA — not M.2 NVMe), and whether your device is listed as compatible. PartsPrices compares current prices across stores and shows which of the 78 devices in our catalog accept this drive.

$/TB Price Capacity Product Condition Store Link
$105.00 $420.00 4 TB Samsung 870 EVO 4TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm Used eBay US +1 View deal
$150.00 $599.99 4 TB Samsung 870 EVO 4TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm New eBay US +2 View deal
$460.75 $1,843.01 4 TB Samsung 870 EVO 4TB 2.5" SATA SSD 2.5" SSD · SATA · 7 mm Refurbished eBay US View deal

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Fits these devices

78 devices in our catalog take this part. Search yours on the home page.

Before you buy

Questions

Will a 2.5-inch SATA SSD fit my device?

It fits any device with a 2.5-inch SATA drive bay — many desktops, laptops, NAS units, and all-in-ones. Our catalog lists 78 compatible devices, including the ASUS PRIME B550-PLUS, Synology DS224+, Synology DS920+, Dell OptiPlex 3000 and 3080 Small Form Factor, ASRock B550M Pro4, ASUS ROG STRIX X670E-E and B650E-F GAMING WIFI, ASUS TUF GAMING B550-PLUS WIFI II, and the Acer Nitro 5 AN515-57 (Intel). If your device isn't listed, check its manual for supported drive sizes and bay count.

How fast is a 2.5-inch SATA SSD, and will it speed up my system?

The SATA interface tops out around 600 MB/s in theory, and real-world transfers are usually lower. In practice you'll notice faster boot times, quicker app launches, and snappier file access compared with a hard drive. If your device supports M.2 NVMe drives, those can be faster — but a 2.5-inch SATA SSD is a simple, widely supported upgrade where a SATA bay is available.

Should I buy a new or a used 4 TB SATA SSD?

A new drive comes with full warranty and a known history. A used drive can save money, but its past workload and wear are uncertain. If you consider used, ask the seller for SMART health data, power-on hours, total bytes written, and any remaining warranty, and check the return policy. Whatever you choose, keep a backup of anything important — no drive lasts forever.

Is 4 TB enough, or should I pick another capacity?

It depends on what you store. A 500 GB or 1 TB drive is usually enough for an operating system and everyday applications; 2 TB suits larger game or photo libraries; 4 TB suits media collections, video work, and local backups. We compare 500 GB, 1 TB, 2 TB, and 4 TB so you can see which fits your needs and budget.