Samsung PM1643 SSD Buyer's Guide

The Samsung PM1643 series is an enterprise-grade 12Gb/s SAS SSD designed primarily for read-intensive data center workloads. While it was groundbreaking at its 2018 launch for offering capacities up to 30.72TB in a 2.5-inch form factor, the market has largely transitioned to its successors, such as the PM1643a and the newer PM1733/PM1763 series Samsung Lenovo.

Core Product Insights

* Performance: Features sequential read speeds up to 2,100 MB/s and write speeds up to 1,700 MB/s, leveraging Samsung's 64-layer V-NAND technology Techpowerup Lenovo.

* High Reliability: Built with Power-Loss Protection (PLP) and a 1 Drive Write Per Day (DWPD) endurance rating over 5 years, making it a stable choice for server environments Samsung.

* Lifecycle Stage: The original PM1643 is largely End-of-Life (EOL), but "a" variants (PM1643a) remain widely available in secondary markets and refurbished stock Lenovo.

Market Trends & Sourcing

* Pricing: B2B listings show a wide price variance based on capacity and condition. For instance, 3.84TB units are typically found between $268 and $310, while higher-capacity enterprise configurations can reach upwards of $1,500 .

* Hyperscale Demand: The trend in 2026 continues toward all-flash arrays and ultra-high-density storage to support AI and big data, with older SAS drives like the PM1643 being displaced by PCIe Gen5/Gen6 NVMe alternatives for superior latency and bandwidth Persistencemarketresearch Unibetter-Ic.

* Secondary Value: Due to its massive capacity, it remains popular in the refurbished and homelab markets, where cost-per-TB is prioritized over peak NVMe speeds Reddit.

The detailed product search results, including specific supplier pricing and transaction data for the PM1643 series, are available in the file below.