Samsung 990 PRO 4TB SSD with Heatsink: specs, speeds and who it suits

The Samsung 990 PRO with Heatsink (model MZ-V9P4T0CW) is an internal M.2 2280 solid state drive in the 4TB capacity, built on the PCIe 4.0 interface. It is aimed at gaming PCs, workstations and the PlayStation 5, where a large, fast drive keeps big libraries and project files within reach. The integrated heatsink is the feature that sets this version apart from the bare drive.

What PCIe 4.0 and M.2 2280 mean

M.2 2280 describes the shape: a small card about 22 mm wide and 80 mm long that plugs straight into a slot on the motherboard, with no cables. PCIe 4.0 is the connection the drive uses to talk to the processor. A PCIe 4.0 drive uses four lanes, and in theory that allows sequential reads of about 8,000 MB/s. Samsung notes that the 990 PRO reaches 7,450 MB/s, close to that ceiling.

Because the drive is an NVMe model, it handles many requests at once. That is why NVMe drives typically feel quicker than older SATA drives when loading large files.

Reading the speed figures

Samsung rates the drive at up to 7,450 MB/s for sequential reads and 6,900 MB/s for sequential writes. Sequential speed matters when moving large files, such as video footage or a game install. Samsung also says random performance is more than 55% better than the 980 PRO, which matters for loading many small files at once, as games and operating systems do.

These are the brand's own figures, measured on a specific test system with Intelligent Turbo Write active. Real results vary with firmware, the rest of your hardware and how full the drive is. To reach the top speeds, your computer needs to support PCIe 4.0.

Why the heatsink matters

Fast SSDs generate heat, and when they get too hot they typically slow themselves down to protect the chips. Samsung says the ultra-slim integrated heatsink spreads heat away from the drive to keep its temperature steady and avoid performance dips during long transfers. It also adds to the drive's thickness, which brings us to fit.

Fit in a PlayStation 5 and desktops

The listing states that the heatsink model is compatible with the PlayStation 5 and with desktops and laptops that meet the PCI-SIG D8 standard, which allows a height of 8.8 mm. Many consoles and some PCs have their own slot cover or cooler, so the extra height is worth checking before you buy.

Capacity and who it suits

The 990 PRO family spans 1TB to 4TB, and this one is the largest. Samsung points to gaming, video editing and data analysis as uses. In general, 4TB suits people who keep large game libraries, work with high-resolution video, or want a single drive that does not need to be swapped out as projects grow.

What to check before you buy

• Slot type: confirm that your computer has an M.2 2280 slot that supports NVMe.
• PCIe generation: a PCIe 3.0 slot will work, typically at lower speeds than the rated maximum.
• Height clearance: make sure the heatsink fits under any motherboard cover or in the console's bay, as the manual describes.
• Boot and cloning: if this will be your system drive, plan how to move your existing data across.
• Backups: an SSD is not a backup. Keep important files copied elsewhere.

The short version

• A 4TB M.2 2280 NVMe SSD on PCIe 4.0, model MZ-V9P4T0CW.
• Samsung rates it at up to 7,450 MB/s reads and 6,900 MB/s writes.
• Integrated heatsink aimed at steadier temperatures and PlayStation 5 use.
• Capacities in the range run from 1TB to 4TB.
• Check slot type, PCIe support and available height before fitting it.

Bloiq is reader-supported. Some links may earn us a commission; it never affects what we write. How we make money.