Biwin M350 2000GB

The Biwin M350 2000GB occupies the mid-range segment of the PCIe 4.0 hierarchy, utilizing a DRAM-less architecture that leverages Host Memory Buffer (HMB) technology to maintain random I/O performance without dedicated onboard cache. The drive typically pairs a quad-channel controller — architecturally aligned with the Maxio MAP1602 or Innogrit IG5220 — with high-density 3D TLC NAND flash. This configuration allows the drive to saturate the mid-tier bandwidth spectrum, balancing sequential throughput against power efficiency, while the use of a single-sided PCB design facilitates compatibility with thermally constrained environments such as ultrabooks.

Key Specifications

• Interface: PCIe Gen 4.0 x4 (NVMe 1.4)
• Sequential Speeds: 5200 MB/s Read, 4800 MB/s Write
• Controller Architecture: Quad-channel, DRAM-less (Maxio MAP1602 / Innogrit IG5220 class)
• NAND Type: 3D TLC
• DRAM Cache: None (HMB Support)
• Physical Traits: M.2 2280, Single-sided PCB
• Endurance: Standard consumer TBW rating for 2TB TLC

Hardware Alternatives

• HP FX900: A direct sibling manufactured by Biwin, sharing similar controller logic and performance targets.
• Lexar NM710: Shares the same architectural approach (DRAM-less, mid-range Gen4), utilizing similar Maxio controller technology.
• Patriot P400: Utilizes the Innogrit IG5220 controller, offering a nearly identical performance profile in both sequential and random operations.
• WD Black SN770: The primary proprietary competitor in the DRAM-less Gen4 space; offers slightly higher burst speeds but operates in the exact same distinct market tier.
• Solidigm P41 Plus: A QLC-based alternative that competes in the same bandwidth bracket, though the Biwin M350 utilizes TLC NAND for superior sustained write endurance.