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SAMSUNG

SAMSUNG MZ1L21T9HCLS-00A07 PM9A3 1.9TB NVMe M.2 22x110mm internal SSD

SKU CH-5DDW-E1GN4

1.9 TB NVMe PCIe Gen4 M.2 22x110 mm internal SSD for high-capacity storage

Capacity 1.9TB

Struck-through versions exist but are not stocked here.

  • High-capacity 1.9TB storage for large datasets
  • PCIe Gen4 NVMe interface enables fast data transfer
  • M.2 22x110mm form factor fits compatible enterprise slots
  • Samsung V6 NAND technology delivers reliable endurance
  • PM9A3 series designed for demanding server workloads

Enterprise NVMe storage

The Samsung PM9A3 is a 1.9TB internal solid-state drive built for servers and workstations that need consistent read and write performance. It uses a PCIe Gen4 NVMe interface in the M.2 22x110mm form factor.

U.2 and 2280-only systems

This drive suits administrators upgrading 2.5-inch U.2 bays with an adapter or populating M.2 slots that accept the 110mm length. It will not fit laptops, desktops or blades limited to the shorter 2280 size.

PCIe Gen4 NVMe interface

The single specification that decides compatibility is the PCIe Gen4 NVMe interface combined with the 22x110mm physical dimensions; the host must support both to use this SSD.

Highlights

  • High-capacity 1.9TB storage for large datasets
  • PCIe Gen4 NVMe interface enables fast data transfer
  • M.2 22x110mm form factor fits compatible enterprise slots
  • Samsung V6 NAND technology delivers reliable endurance
  • PM9A3 series designed for demanding server workloads

Specifications

No published specifications for this item yet.

Other versions of this model

1 more in the same range

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

Questions about this item

Will the 1.9TB PM9A3 M.2 22x110mm drive work in a motherboard slot that only supports PCIe Gen3?

The PM9A3 is a PCIe Gen4 NVMe drive and will operate in a Gen3 slot at Gen3 speeds. The M.2 22x110mm form factor must match the slot length.

How can I verify the PM9A3 1.9TB SSD is running at PCIe Gen4 after installation?

Check the link speed in the operating system device manager or a tool like CrystalDiskInfo; it should show PCIe 4.0 x4 for full Gen4 operation.

Does the Samsung MZ1L21T9HCLS-00A07 package include a heatsink or mounting screw?

The drive is sold as a bare M.2 22x110mm module; a heatsink and the M.2 mounting screw are not included and must be sourced separately.

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