Biwin

Biwin M350

Brand:: Biwin
Capacity:: 2 TB
Interface:: PCIe 4.0 x4, M.2 2280
NAND Type:: QLC
Controller:: SM2268XT2

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Manufacturer: Biwin Last updated: 2026-09-15

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Biwin M350 Review

Biwin M350 is a 2 TB PCIe 4.0 x4 M.2 2280 SSD using the Silicon Motion SM2268XT2 controller with 232-layer Micron QLC NAND, released Feb 2025.

As a QLC, DRAM-less drive, it trades some endurance and sustained write performance for lower cost per gigabyte compared to Biwin's TLC-based models.

Specifications

What these specs mean

Speed Score

6.0/10

How fast this drive is among internal SSDs, rated from its read and write speeds, cache and NAND type.

Identity

Brand	Biwin
Model Number	Biwin M350
Series	M350

Interface and form

Drive Type	Internal
Bus Interface	PCIe 4.0 x4
Form Factor	M.2 2280

Capacity

Capacity	2000 GB

Sequential performance

Sequential Read	5200 MB/s
Sequential Write	4800 MB/s

Controller and cache

Controller	SM2268XT2
Controller Vendor	Silicon Motion
DRAM Cache	DRAM-less with HMB

NAND

NAND Type	QLC
NAND Vendor	Micron
NAND Layers	232

FAQs

What are the key specifications of the Biwin M350?

Key specs for the Biwin M350: Sequential Read 5200 MB/s, Sequential Write 4800 MB/s, Capacity 2000 GB, Bus Interface PCIe 4.0 x4, NAND Type QLC, DRAM Cache DRAM-less with HMB.