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A green printed circuit board with black memory chips and a gold edge connector

SAMSUNG

SAMSUNG 990 PRO 4TB M.2 2280 internal SSD MZ-V9P4T0B/AM

SKU CH-TF01-WR6TS MPN MZ-V9P4T0B/AM

A 4TB M.2 2280 internal SSD with up to 7450 MB/s sequential read and 6900 MB/s sequential write speeds

  • Total capacity4 TB
  • Sequential read speedUp to 7,450 MB/s
  • Sequential write speedUp to 6,900 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 4TB

  • Sequential reads up to 7450 MB/s accelerate game loading
  • Sequential writes up to 6900 MB/s speed up large file transfers
  • 4 TB capacity stores extensive game libraries and media projects
  • PCIe 4.0 x4 interface delivers high bandwidth for demanding workloads
  • 4 GB DRAM cache sustains performance during heavy multitasking

Samsung 990 PRO 4TB PCIe 4.0 NVMe SSD

This internal solid-state drive uses Samsung V-NAND TLC memory and a 4GB DRAM cache to deliver up to 7450 MB/s sequential read and 6900 MB/s sequential write over a PCI-Express 4.0 x4 interface. It targets consumers who need high throughput for gaming, video editing and data analysis on desktop or laptop platforms. The M.2 2280 form factor fits standard slots without a heatsink.

Thermals noise and power efficiency

The controller is designed for power efficiency during sustained workloads, reducing thermal output compared with earlier designs. Without a heatsink the drive relies on motherboard airflow, so case ventilation determines peak temperature. Acoustic output is negligible because there are no moving parts, and the NVMe 2.0 protocol helps minimise idle power draw.

Samsung Magician software bundle

The included Samsung Magician utility adds drive health monitoring, firmware updates and performance benchmarking tools. It enables secure erase and over-provisioning configuration to maintain consistent write speeds over time. Data migration software simplifies cloning an existing drive onto the 4TB capacity. These utilities extend usable life and simplify maintenance.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $788.99
Pricier than about 87% of the 1,994 comparable items (median $180.49).
Total capacity 4 TB
Higher than about 90% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 7,450 MB/s
Higher than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $197.25 per TB
Pricier than about 60% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAMSUNG
Product line990 PRO
Model nameSamsung 990 PRO 4 TB
Part numberMZ-V9P4T0B/AM
Total capacity4 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 7,450 MB/s
Sequential write speedUp to 6,900 MB/s
Storage
NAND flash typeSamsung V-NAND TLC
Cache memory4 GB DRAM
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.07 kg
Package size165 × 117 × 71 mm

Other versions of this model

5 more in the same range

Questions about this item

Will this drive fit a laptop that only has an M.2 2280 slot?

Yes, the drive uses the M.2 2280 form factor, so it will physically fit any slot of that size.

Does the 4GB DRAM cache improve random read and write performance?

The 4GB DRAM cache helps sustain high random performance, which is more than 55% better than the 980 PRO.

Can I use this SSD in a PCIe 4.0 x4 motherboard slot without a heatsink?

The drive operates on PCIe 4.0 x4 and ships without a heatsink; ensure your board provides adequate airflow.

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