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Samsung PM9A3 Datacenter SSD NVMe PCIe 4.0 x4 M.2/U.2 7mm 1DWPD

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PCI Express Gen 4 x4 interface for up to twice the read performance of PCIe Gen 3 SSDs, and dedicated hardware accelerators for three times the random write performance of the previous generation.

Enterprise Features
Protects your data confidentiality and integrity with TCG encryption management, secure boot, end to end data protection, and power loss protection circuitry.

Form Factor Flexibility
Available in a variety of form factors to meet the needs of multiple system types in your server deployment. All form factors are built using the same Samsung SSD controllers and V-NAND, for high volume availability and simplified SSD qualification.

Data center architects face challenging requirements when delivering reliable computing and storage resources at the lowest total cost. Data center servers require high levels of I/O performance to keep their CPUs fully utilized, and high system density, to minimize total cost. The storage systems that supply that I/O performance need to deliver consistent performance and latency to all tenant virtual machines and containers 24/7, 365 days a year.

Samsung provides data centers with solid-state drives (SSDs) that deliver exceptional performance in public cloud applications, such as infrastructure as a service (IaaS), content delivery networks (CDN), shared hosting, NoSQL databases, and cloud data storage. Compared to SATA SSDs, these high-performing NVMe SSDs deliver more than ten times the read performance and lower latency, while still maintaining SATA cost and low-power consumption per IOP. As a pioneer in NVMe SSDs, Samsung has been delivering the advantages of industry standard NVMe performance longer than anyone else. Samsung also has the added advantage of being a vertically integrated supplier of SSDs, enabling the highest levels of quality and support.

High Performance
The Samsung PM9A3 NVMe SSD supports PCI Express Gen 4, breaking through the read performance bottleneck experienced by SSDs that only support PCI Express Gen 3, and delivering up to one million IOPS of random read performance. With the PM9A3, I/O operations benefit from hardware acceleration, which improves performance, while containing power consumption. Random write performance of up to 180k IOPS is three times as fast as the previous generation of mainstream Samsung NVMe SSDs.

To meet the demand for high-utilization, high-duty cycle data centers, the PM9A3 SSD utilizes firmware which prioritizes quality of service (QoS) for sustained random workloads, to keep all virtual machines and containers running quickly and smoothly. The firmware is optimized for always-on, always-busy workloads ready to respond quickly to incoming work requests. Consistent latency on mixed read/write workloads
is enhanced by the ability to suspend flash erase and program operations, in order to prioritize incoming read operations.

Best of all, Samsung PM9A3 delivers these high performance SSD features to the mainstream cost points, comparable to SATA SSDs, and with the ability to support high-volume cloud datacenter deployments.

Enterprise Functionality
Samsung’s PM9A3 SSD has the power efficiency and cost effectiveness for large scale cloud datacenter deployment, but delivers features usually reserved for high-end enterprise NVMe SSDs.

Samsung’s PM9A3 SSD keeps your private data confidential, with encryption via a hardware based AES-XTS 256-bit encryption engine, and management via the TCG Enterprise standard. The new secure boot feature cryptographically verifies the integrity of every firmware image’s RSA 3072 digital signature prior to execution, helping defend against advanced security threats that target device firmware.

Samsung’s PM9A3 SSD supports out-of-band drive management through NVMe Basic Management Command over SMBus. This enterprise functionality allows board management controllers to inventory and provision SSDs without operation system dependencies.

Samsung’s PM9A3 SSD includes enterprise power loss protection (PLP). During normal power-off periods, the host server allocates time to preserve data integrity by transmitting a standby command to each device. In the event of an unexpected power loss, though, the cached data in a storage device’s internal DRAM buffers can be lost. This can occur with unexpected power outages, or when users unplug devices from the system. However, the Samsung PM9A3 SSD has been designed to prevent data loss resulting from unexpected power shutdowns with its PLP architecture. Upon detection of a failure, the SSD immediately uses the stored energy from its PLP capacitors to provide enough time to transfer the cached data in DRAM to the flash memory, ensuring no loss of data.

Samsung PM9A3 Specifications

Form Factor




Storage Capacity

960 GB; 1.92, 3.84, 7.68 TB

960 GB; 1.92, 3.84, 7.68 TB

960 GB; 1.92, 3.84 TB

Host Interface

PCIe Gen 4 x4

Spec Compliance

NVMe spec rev. 1.4,
PCI Express Base Specification Revision 4.0

NAND Flash Memory

Samsung V6 (128 layer) V-NAND TLC

Power Consumption

Read: <= 11 W
Write: <= 13.5 W

Read: <= 11 W
Write: <= 13.5 W

Read: <= 8 W
Write: <= 8 W

Uncorrectable Bit Error Rate (UBER)

1 sector per 10^17 bits read

Mean Time Between Failure (MTBF)

2 Million Hours

Write Endurance

1.0 DWPD for 5 years

Sequential Read

Up to 6,800 MB/s

Up to 6,800 MB/s

Up to 5,500 MB/s

Sequential Write

Up to 4,000 MB/s

Up to 4,000 MB/s

Up to 2,000 MB/s

Random Read

Up to 1,000,000 IOPS

Up to 1,000,000 IOPS

Up to 800,000 IOPS

Random Write

Up to 180,000 IOPS

Up to 180,000 IOPS

Up to 85,000 IOPS

Physical Dimensions

70x100 x 7mmT

33.6 x 118.75 x 9.5 mmT

22x110 x 4 mmT


TCG Enterprise


NVMe Basic Management Command over SMBus

Bytes per Sector

512/4096 Bytes

Operating Temperature

0 to 70 C

Artnr: Benämning: Lager: Pris: Antal:
Samsung PM9A3 960GB NVMe U.2 Datacenter SSD 2.5"/7mm PCIe 4.0 x4 1DWPD Lagervara 36st 2 423,00 /st
Samsung PM9A3 1.9TB NVMe U.2 Datacenter SSD 2.5"/7mm PCIe 4.0 x4 1DWPD Lagervara 7st 4 108,00 /st
Samsung PM9A3 3.8TB NVMe U.2 Datacenter SSD 2.5"/7mm PCIe 4.0 x4 1DWPD Lagervara 3st 7 604,00 /st
Samsung PM9A3 7.68TB NVMe U.2 Datacenter SSD 2.5"/7mm PCIe 4.0 x4 1DWPD Beställningsvara 12 772,00 /st
Samsung PM9A3 15.36TB NVMe U.2 Datacenter SSD 2.5"/7mm PCIe 4.0 x4 1DWPD Lagervara 6st 23 434,00 /st
Samsung PM9A3 960GB NVMe M.2 110mm PCIe 4.0 x4 SSD 1DWPD Lagervara 25st 2 359,00 /st
Samsung PM9A3 1.92TB NVMe M.2 110mm PCIe 4.0 x4 SSD 1DWPD Lagervara 21st 4 643,00 /st
Samsung PM9A3 3.84TB NVMe M.2 110mm PCIe 4.0 x4 SSD 1DWPD Lagervara 5st 7 604,00 /st


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