Data Center SSD

Samsung PM9A3 NVMe SSD

OCP-aligned Gen4 data center SSD proven across hyperscale fleets

Mass ProductionOCPGen4Samsung
Samsung PM9A3 NVMe SSD — U.2 / E1.S / M.2 PCIe 4.0

Samsung · U.2 / E1.S / M.2 · Image: samsung.com

PCIe Gen4 data center SSD in U.2, E1.S, and M.2, up to 15.36 TB, widely deployed across cloud infrastructure.

Interface
PCIe 4.0
Form factor
U.2 / E1.S / M.2
Capacities
960 GB1.92 TB3.84 TB7.68 TB15.36 TB
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Product briefing

On the record.

The PM9A3 is one of the most widely deployed Gen4 data center SSDs, designed to the OCP Datacenter NVMe specification for hyperscale fleets. Sixth-generation V-NAND and Samsung's controller deliver up to 6,950 MB/s reads with dependable sustained mixed-workload behavior.

Form-factor breadth is a defining feature: U.2, E1.S in multiple thicknesses, and M.2 cover nearly every server and edge chassis standard. Power-loss protection, TCG Opal, and 1 DWPD endurance meet standard cloud deployment profiles at capacities to 15.36 TB.

Data sheet

Specifications

Specifications for Samsung PM9A3 NVMe SSD
InterfacePCIe 4.0 x4, NVMe 1.4
Form FactorU.2, E1.S, M.2 22110
Capacities960 GB to 15.36 TB
Sequential ReadUp to 6,950 MB/s
Sequential WriteUp to 4,100 MB/s
Random ReadUp to 1,100K IOPS
NAND TypeSamsung V-NAND TLC
Endurance1 DWPD
ComplianceOCP Datacenter NVMe SSD spec
MTBF2M hours

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