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Samsung 2.5 inch U.2 SSD with silver label

SAMSUNG

SAMSUNG MZ-QL21T90 1.92TB 2.5Inch server RAM

SKU CH-N1ZX-SA575 MPN MZ-QL21T90

1.92 TB PCI-E Gen4 x4 U.2 2.5-inch SSD for high-speed server storage

  • Product typeControl Module
  • 92 TB capacity supports large server workloads
  • PCI-E Gen4 x4 interface enables fast data transfer
  • U.2 2.5 inch form factor fits standard drive bays
  • New condition ensures full manufacturer reliability

Samsung PM9A3 1.92TB U.2 SSD

The Samsung PM9A3 is a 1.92TB enterprise solid-state drive in a 2.5-inch U.2 form factor. It connects via a PCIe Gen4 x4 interface for high-throughput server workloads. This drive suits data-centre operators who need consistent low-latency storage for virtualisation or database tiers.

Bundled software and accessories

The supplier data lists no bundled accessories, cables, mounting brackets or management software. Buyers who need a U.2 backplane, power adapter or specific drive-carrier should source those separately. Systems without native U.2 bays cannot install this drive directly.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $420.99
Pricier than about 67% of the 6,523 comparable items (median $188.99).

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
Product typeControl Module
Size & build
Shipping weight2.27 kg
Package size25 × 25 × 25 mm

Questions about this item

Will the PM9A3 control module need replacement after a certain number of write cycles?

The PM9A3 control module manages wear across the 1.92TB array; under typical server workloads it lasts the drive's rated lifetime without a separate module swap.

What limit appears first when the PM9A3 runs sustained heavy I/O?

The PCI-E Gen4 x4 link caps sustained throughput before the control module or flash reaches its own thermal or write-endurance ceiling.

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