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Green M.2 circuit board with black controller and gold edge connector

SAMSUNG

SAMSUNG 990 EVO Plus 4TB internal SSD

SKU CH-BHC8-985XY

M.2 solid-state drive with PCIe interface delivers sequential read speeds up to 7,250 MB/s and write speeds up to 6,300 MB/s in a 4 TB capacity

  • Device TypeSolid State Drive
  • Form FactorM.2
  • Capacity5.3 cubic_feet
  • Interfacepci_express_x4
  • ProtocolPCIe
  • ConnectorPCIe
  • Up to 7250 MB/s sequential read speed
  • 73% better MB/s per Watt with nickel-coated controller
  • Intelligent TurboWrite 2.0 accelerates heavy workloads on 4TB capacity
  • Samsung Magician software monitors health and updates firmware
  • M.2 2280 form factor fits standard PCIe slots

Designed for client PCs

The Samsung 990 EVO Plus 4TB is an M.2 2280 internal SSD built for client PCs. It uses a PCIe Gen 4.0 x4 and 5.0 x2 NVMe 2.0 interface with Samsung V-NAND TLC and an in-house controller. Sequential reads reach 7250 MB/s and writes reach 6300 MB/s.

Upgrade from slower NVMe drives

The drive replaces older NVMe SSDs that top out at lower sequential speeds. The jump is worth it when workloads demand sustained throughput for large files and heavy graphics. Intelligent TurboWrite 2.0 expands the buffer region to maintain higher write performance across the 4TB capacity.

Simple M.2 installation

Installation follows the standard M.2 2280 slot procedure: insert the module at an angle, press down, and secure with the motherboard screw. The nickel-coated controller improves power efficiency by 73 per cent, reducing thermal load. Samsung Magician software handles data migration, health monitoring, and firmware updates.

Highlights

  • Up to 7250 MB/s sequential read speed
  • 73% better MB/s per Watt with nickel-coated controller
  • Intelligent TurboWrite 2.0 accelerates heavy workloads on 4TB capacity
  • Samsung Magician software monitors health and updates firmware
  • M.2 2280 form factor fits standard PCIe slots

Specifications

BrandSAMSUNG
Series990 EVO Plus
Model990 EVO Plus
Part NumberMZ-V9S4T0BW
Device TypeSolid State Drive
Form FactorM.2
Capacity5.3 cubic_feet
Interfacepci_express_x4
ProtocolPCIe
ConnectorPCIe
Cache0 GB
Max Sequential Write6300
Features7250 megabytes_per_second
Power Consumption (Active)50 watts
Height8.015 in x 2.215 in x 0.28 in
Width8.015 in x 2.215 in x 0.28 in
Depth8.015 in x 2.215 in x 0.28 in
Weight9 grams
Package ContentSamsung SSD 990 EVO Plus Installation Instructions, User Manual

Questions about this item

Will the M.2 2280 form factor fit my motherboard slot?

The drive measures 80.15 x 22.15 x 2.38 mm and weighs 9.0 g, matching the standard M.2 2280 footprint used by most desktop and laptop PCIe slots.

What is the correct way to secure the drive, and what step is often missed?

Insert the drive at an angle into the PCIe x4 slot, press it flat, and fasten the motherboard standoff screw; the step many skip is removing any pre-installed heatsink bracket before insertion.

When should I check for firmware updates using Samsung Magician?

Run Samsung Magician after installation to apply the latest firmware, then schedule a quarterly check to maintain performance and health monitoring for the V-NAND TLC storage.

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