Samsung 980 PRO 500GB

The Samsung 980 PRO 500GB is a fully vertically integrated PCIe 4.0 drive using Samsung’s in-house Elpis controller (S4LV003) built on an 8nm process. The 500GB variant pairs that controller with Samsung’s 6th Generation (V6) 128-layer 3D TLC V-NAND and includes 512MB of LPDDR4 DRAM for address mapping. This generation moved the PRO series from 2-bit MLC to 3-bit TLC NAND, relying on TurboWrite SLC caching to maintain high burst throughput. Early firmware revisions were associated with reports of media integrity errors and premature health degradation, so updating firmware via Samsung Magician upon installation is important. The Elpis controller runs thermally hot under sustained loads; the controller has a nickel coating for heat dissipation, but active airflow or a dedicated heatsink is recommended to avoid thermal throttling, especially in confined spaces like console expansion slots.

Key Specifications

• Interface: PCIe 4.0 x4 / NVMe 1.3c
• Controller: Samsung Elpis (S4LV003)
• NAND Flash: Samsung 128-Layer V6 3D TLC V-NAND
• Sequential Read/Write: Up to 6,900 MB/s / 5,000 MB/s
• DRAM Cache: 512MB LPDDR4
• Endurance: 300 TBW (Total Bytes Written)
• Security: AES 256-bit hardware encryption, TCG Opal 2.0, Encrypted Drive (IEEE1667)
• Physical Layout: Single-sided M.2 2280 PCB

Hardware Alternatives

• Western Digital WD_BLACK SN850: This is the primary logical competitor, offering similar sequential throughput and random I/O performance via Western Digital's proprietary G2 controller and BiCS4 NAND.
• Seagate FireCuda 530: Represents the high-end Phison E18 reference design paired with Micron 176-layer TLC; it generally offers higher write endurance ratings than the 980 PRO, appealing to workstation users.
• Crucial P5 Plus: Uses Micron's proprietary controller and the same 176-layer NAND found in the FireCuda, serving as a direct competitor in the mainstream Gen4 enthusiast tier.