Specifications
Vendor
Samsung
Model
PM9D3a
Interface
PCIe 5.0 x4 (NVMe)
Sequential Read (up to)
12,000 MB/s
Sequential Write (up to)
6,800 MB/s
Random Read (up to)
2,000K IOPS
Random Write (up to)
400K IOPS
Capacities
960 GB to 30.72 TB
Form Factors
2.5-inch U.2/U.3 (15 mm), E1.S, E3.S, M.2
Flash Memory
8th-generation V-NAND (TLC)
Controller
8-channel, OCP Datacenter NVMe SSD Specification v2.5
Power-Loss Protection
Enhanced PLP
2.5-inch Dimensions
15 x 70 x 100 mm
2.5-inch Weight
up to 170 g
Overview
The Samsung PM9D3a is a read-intensive PCIe 5.0 data-center SSD built on Samsung's 8th-generation V-NAND and an 8-channel controller. It delivers up to 12,000 MB/s sequential read and 6,800 MB/s sequential write, with random performance up to 2,000K read and 400K write IOPS - roughly double its PM9A3 PCIe 4.0 predecessor.
The PM9D3a is offered in 2.5-inch U.2/U.3 (15 mm), E1.S, E3.S and M.2 form factors up to 30.72 TB, and supports the OCP Datacenter NVMe SSD Specification v2.5 with enhanced power-loss protection. It targets AI-driven, hyperscale and cloud-scale storage where Gen5 bandwidth, capacity and power efficiency are critical.
Key Benefits
PCIe 5.0 x4 · up to 12,000/6,800 MB/s · 2,000K/400K IOPS · up to 30.72 TB · 8th-gen V-NAND · U.2/E1.S/E3.S/M.2 · OCP 2.5 · enhanced PLP.
Applications
AI and hyperscale data centers, cloud and virtualization servers, high-performance caching layers, content streaming and CDN, big-data analytics and financial trading systems.
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