Joybuy Insights

Choosing a 1TB SSD: a practical buying guide for PCs, gaming and mobile use

A 1TB SSD gives you room for games, photos, videos, documents and programmes without the slower performance of a traditional hard drive. However, a high read speed doesn’t automatically make it the right choice. An internal M.2 SSD, for example, won’t fit every laptop, and an external SSD will only reach its stated speed if the USB port and cable are suitable too.

That’s why Joybuy Product Recommendation Officer has selected the key specifications to consider and the common pitfalls to avoid. This will help you choose between a 1TB NVMe SSD, an external 1TB SSD or a portable storage solution.

Common pitfalls when choosing a 1TB SSD

1. The advertised speed doesn’t apply to every connection

Brands often list the maximum sequential read and write speeds. These are useful for comparing products, but they’re no guarantee of performance in every real-world situation. A PCIe 4.0 SSD, for example, will run more slowly if installed in a PCIe 3.0 slot. A PCIe 5.0 SSD needs a motherboard with PCIe 5.0 to get close to its advertised performance.

The same applies to external SSDs. A model with USB 3.2 Gen 2x2 and speeds of up to 2,000 MB/s needs a compatible USB-C port and a suitable cable. Speeds can be considerably lower when using an older USB connection.

2. Compatibility is only checked after purchase

An internal 1TB M.2 SSD needs to match your device’s slot, form factor and protocol. So check:

  • Whether your PC or laptop has an M.2 2280 slot.
  • Whether the slot supports NVMe and PCIe, rather than SATA only.
  • Whether your laptop has enough room for a heatsink.
  • Whether your motherboard supports a PCIe 3.0, 4.0 or 5.0 connection.
  • Whether the SSD will fit in a PlayStation 5. Some models require a compatible heatsink.

For a PS5 SSD, also check the console’s maximum dimensions and installation requirements. A heatsink can help manage temperatures during longer gaming sessions, but physical fit is still essential.

3. 1TB doesn’t mean exactly 1,000GB of free space

After formatting and allowing for system functions, the available storage will be less than the stated capacity. You’ll also need to leave free space for updates and temporary files, and to maintain performance. If you store lots of 4K videos, large games or project files, you may reach the limit sooner than expected with 1TB.

Which specifications matter?

Internal or external SSD?

An internal 1TB SSD is a good choice if you want to upgrade a PC, laptop or compatible console. NVMe models use an M.2 connection and are generally designed to be installed inside the device.

A portable 1TB SSD connects via USB. It’s a more practical option for backups, taking files with you, transferring video footage or using with multiple devices. When choosing a USB-C SSD, look beyond the connector: check the USB generation and the cable included too.

Speed: look beyond a single figure

The advertised sequential speed is most relevant when transferring large files, such as video projects and backups. Random read performance, latency and system support also affect how quickly programmes and games start.

As a guide:

  • PCIe 3.0 NVMe models reach around 3,300 to 3,500 MB/s according to their product specifications.
  • Manufacturers state that PCIe 4.0 models can reach read speeds of around 7,000 to 7,450 MB/s.
  • PCIe 5.0 models list speeds of up to around 14,000 MB/s or more.
  • External models with USB 3.2 Gen 2 often reach around 1,000 MB/s.
  • USB 3.2 Gen 2x2 models list maximum speeds of around 2,000 MB/s when used with a compatible host connection.

These figures are the brands’ product specifications. Actual performance may vary depending on file size, temperature, cable, software and the computer you’re using.

Heat, durability and data protection

Fast NVMe SSDs can get hot during prolonged transfers. An integrated or compatible heatsink is therefore worth considering for intensive use. Check that the heatsink will fit in your laptop, motherboard or PS5.

An SSD has no moving parts, but that doesn’t mean backups are unnecessary. An SSD can fail due to electronic faults or power issues. Keep important files in a second location too.

Recommended 1TB SSDs for different uses

Suitable for: Budget-conscious beginners
Kingston NV3 NVMe PCIe 4.0 Internal SSD 1TB M.2

Kingston NV3 NVMe PCIe 4.0 Internal SSD 1TB M.2

Why it suits this type of user: This internal M.2 SSD is designed for PCs, laptops and compatible compact systems. According to the product specifications, it supports PCIe 4.0 and offers read speeds of up to 6,000 MB/s and write speeds of up to 5,000 MB/s.

How this product avoids the pitfall

The product clearly states its M.2 form factor and PCIe 4.0 interface. Check in advance that your system supports this connection.

Key benefits and advantages

PCIe 4.0, NVMe, M.2 2280 form factor and a low profile of around 2.3 mm.

Suitable for: Buyers looking for premium quality
Samsung 990 PRO NVMe Heatsink 1TB SSD

Samsung 990 PRO NVMe Heatsink 1TB - SSD

Why it suits this type of user: According to the product information, this PCIe 4.0 NVMe SSD offers read speeds of up to 7,450 MB/s, write speeds of up to 6,900 MB/s and an integrated heatsink. The model is listed as suitable for PCs, laptops and PlayStation 5.

How this product avoids the pitfall

The included heatsink makes it easier to decide whether you need additional cooling. If you’re using it with a PS5, always check the dimensions and installation requirements.

Key benefits and advantages

High stated PCIe 4.0 speeds, an integrated heatsink and 600 TBW according to the product information.

Suitable for: Specialist uses and power users
Lexar NM1090 Pro 1TB M.2 PCI Express 5.0 NVMe

Lexar NM1090 Pro 1TB M.2 PCI Express 5.0 NVMe

Why it suits this type of user: This is a PCIe 5.0 SSD for systems with a compatible motherboard. According to the product information, the model has a heatsink with a fan and offers high sequential speeds for gaming, rendering and large files.

How this product avoids the pitfall

Active cooling helps manage the heat that can build up during prolonged PCIe 5.0 use. A PCIe 5.0 slot and space for the fan connection are required.

Key benefits and advantages

PCIe 5.0 x4, DRAM cache, dynamic SLC cache and included cooling.

Suitable for: Mobile creators and backups
Samsung Portable SSD T9 1TB Black

Samsung Portable SSD T9 1TB Black

Why it suits this type of user: According to the product information, this external 1TB SSD uses USB-C and is compatible with Windows, macOS and Android. It offers stated read speeds of up to 2,000 MB/s when used with a compatible USB 3.2 Gen 2x2 connection.

How this product avoids the pitfall

The included USB-C-to-C and USB-C-to-A cables make it easier to connect to different devices. The device’s port still determines the actual speed.

Key benefits and advantages

Portable design, USB-C connectivity, hardware encryption and drop protection from a height of up to 3 metres according to the product information.

Looking for more options?

We’ve put together a complete, up-to-date list of products that meet these strict selection criteria and the applicable European safety regulations.

Frequently asked questions about 1TB SSDs

Is a 1TB SSD suitable for gaming?

For many users, yes. A gaming SSD generally shortens loading times compared with a hard drive. If you’re using a PC or laptop, check the M.2 slot and PCIe generation. A PS5 SSD must meet the console’s requirements and have suitable cooling fitted if needed.

How long does an SSD last?

Its lifespan depends on the type of flash memory, write load, temperature and power supply. Manufacturers sometimes state a TBW rating, which indicates how many terabytes can be written to the drive according to their specifications. This isn’t an exact end date. Regular backups are still important.

Does an external SSD use a lot of power?

An external SSD usually draws power via USB and doesn’t need a separate adapter. Power consumption depends on the interface and workload. Prolonged use with smartphones and tablets may drain the battery more quickly. So check that your device supplies enough power and use a suitable data cable.