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

MSI

MSI SM461N2TB M.2 2280 2TB PCI-Express 4.0 internal SSD

SKU CH-1SPF-Z1HNV MPN SM461N2TB

2 TB M.2 2280 NVMe drive with PCIe 4.0 speeds up to 5000 MB/s read and 4200 MB/s write

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity2TB
  • Memory Components3D NAND
  • InterfacePCI-Express 4.0

Style Without Heatsink

Options 2TB M461

  • PCIe 4.0 NVMe 1.4 interface delivers sequential reads up to 5000 MB/s
  • Sequential writes up to 4200 MB/s accelerate large-file transfers and game loads
  • 2 TB 3D NAND capacity stores extensive libraries without a DRAM cache
  • Pyrite encryption and error correction protect data on desktop or notebook
  • 900 TBW endurance rating backs sustained write workloads over the drive life

2TB PCIe 4.0 NVMe drive

The MSI M461 series drive provides two terabytes of storage over a PCIe 4.0 x4 link. It uses 3D NAND flash and operates without a dedicated DRAM cache by relying on host memory buffer support. The drive targets consumer desktops and notebooks that accept an M.2 2280 module.

Sustained write behaviour

Sequential writes reach up to 4200 MBps while reads reach up to 5000 MBps. The drive is rated for up to 900 TBW, indicating the total data volume it can accept over its service life. Pyrite encryption and error correction operate continuously during heavy workloads.

PCIe 4.0 x4 practical limits

The four-lane PCIe 4.0 interface caps theoretical throughput near eight gigabytes per second, so the drive’s 5000 MBps read ceiling leaves headroom for protocol overhead. NVMe 1.4 command-set features such as namespace management function within this bandwidth envelope. Performance scales with the host controller’s lane allocation and thermal headroom.

Highlights

  • PCIe 4.0 NVMe 1.4 interface delivers sequential reads up to 5000 MB/s
  • Sequential writes up to 4200 MB/s accelerate large-file transfers and game loads
  • 2 TB 3D NAND capacity stores extensive libraries without a DRAM cache
  • Pyrite encryption and error correction protect data on desktop or notebook
  • 900 TBW endurance rating backs sustained write workloads over the drive life

Specifications

BrandMSI
SeriesM461
Part NumberSM461N2TB
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity2TB
Memory Components3D NAND
InterfacePCI-Express 4.0
CacheNo DRAM (HMB)
EncryptionPyrite (Encryption, Data Security)
Max Sequential ReadUp to 5000 MBps
Max Sequential WriteUp to 4200 MBps
Shipping weight0.05 kg
Package size163 × 84 × 20 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the M461 2TB run hot or draw much power during sustained workloads?

The PCIe 4.0 x4 controller and DRAM-less design with HMB keep power draw modest; typical notebook thermals handle the 5000 MB/s read and 4200 MB/s write loads without extra cooling.

What slot and protocol does my motherboard need for this M.2 2280 drive?

An M-key M.2 slot wired for PCIe 4.0 x4 and NVMe 1.4 support is required; the 2280 form factor fits standard desktop and laptop sockets.

Will this NVMe SSD work alongside my older PCIe 3.0 NVMe drive in the same system?

Yes — the M461 negotiates down to PCIe 3.0 speeds on a Gen3 slot, so it can coexist with an existing Gen3 NVMe drive while each runs at its own link width.

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