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Silver 2.5 inch U.2 enterprise SSD with gold connectors

SAMSUNG

SAMSUNG MZQL21T9HCJR-00A07 PM9A3 1.92TB enterprise SSD

SKU CH-22T2-K09F1 MPN MZQL21T9HCJR-00A07

1.92 TB U.2 enterprise SSD with PCIe 4.0 x4 interface delivering up to 6800 MB/s sequential read and 4000 MB/s sequential write

  • Total capacity1.92 TB
  • Sequential read speedUp to 6,800 MB/s
  • Sequential write speedUp to 4,000 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factor2.5 in U.2
  • Product typeInternal Solid State Drive (SSD)
  • High-speed sequential reads up to 6800 MB/s
  • Sustained sequential writes up to 4000 MB/s
  • Random read performance reaches 1000K IOPS
  • Random write performance reaches 180K IOPS
  • 92 TB capacity in a 2.5" U.2 form factor

Enterprise U.2 SSD for mixed workloads

This 1.92 TB drive fits a 2.5 inch U.2 bay and connects through a PCI-Express 4.0 x4 link. It is aimed at servers and workstations that need consistent throughput for databases, virtualization or content caches.

Thermal behaviour under sustained load

The controller manages heat through firmware throttling so the drive stays within its operating envelope during long sequential transfers. Typical power draw rises with queue depth but remains within the limits of a standard U.2 backplane.

No accessories or utilities included

The package contains only the bare drive; no mounting bracket, cable or management software is supplied. Administrators must provide their own firmware tools and monitoring scripts to enable features such as SMART logging or namespace configuration.

How it compares

Measured against everything we stock in Server & Data Center SSDs, at today’s prices. Recalculated every night.

Price $505.99
Cheaper than about 70% of the 1,039 comparable items (median $992.99).
Total capacity 1.92 TB
Lower than about 60% of the 522 comparable items (median 3.2 TB).
Sequential read speed Up to 6,800 MB/s
Higher than about 60% of the 311 comparable items (median 6,500 MB/s).
Price per TB $263.54 per TB
Cheaper than about 82% of the 522 comparable items (median $595.64 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product linePM9A3
Model nameMZQL21T9HCJR-00A07
Total capacity1.92 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 6,800 MB/s
Sequential write speedUp to 4,000 MB/s
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factor2.5 in U.2
Shipping weight2.27 kg
Package size279 × 279 × 279 mm

Questions about this item

How do I install the 2.5" U.2 PM9A3 into a server backplane, and what step is often missed?

Slide the 2.5" U.2 drive into the hot-swap bay until the connector seats firmly, then secure the retention latch; the step often missed is locking the latch, which leaves the PCIe 4.0 x4 link unstable.

What maintenance or replacement will the 1.92TB PM9A3 need over its service life?

No scheduled maintenance is required; the drive should be replaced once its endurance budget is exhausted or if SMART health indicators report media degradation.

What limit appears first on the PM9A3 during sustained heavy writes?

The sequential write ceiling of 4000 MB/s is reached before the random write limit of 180K IOPS under continuous streaming workloads.

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