Samsung PM9C1b 256GB client SSD Technical Specifications

1. Product Identification

• Manufacturer: Samsung Electronics Co., Ltd.

• Product Series: PM9C1b (Mainstream Client OEM Series)

• Model Number: MZ-9L8256E

• Part Number (MPN): MZ9L8256HFJD-00BD1

• OEM Customer Code: 00BD1 (Commonly integrated into major OEM systems like Dell, HP, and Lenovo)

2. Key Features & Architecture

• Form Factor: M.2 2230-S3-M (Single-sided, 22mm x 30mm)

• Interface: PCI Express Gen4 x4 (PCIe v4.0), backward compatible with PCIe Gen3

• Protocol: NVMe (Non-Volatile Memory Express)

• Controller: Custom Samsung In-House 5nm Process Controller

• NAND Flash Memory: Samsung 7th-Generation V-NAND (Vertical NAND) TLC

• DRAM Cache Architecture: DRAMless design utilizing HMB (Host Memory Buffer) technology to leverage host system RAM for read/write cache acceleration.

3. Performance Profile

The PM9C1b series delivers significantly higher sustained throughput and random processing capability compared to its predecessors (like PM9B1 and standard PM9C1):

4. Physical & Environmental Specifications

Dimensions & Weight

• Width: $22.00 \pm 0.15 \text{ mm}$

• Length: $30.00 \pm 0.15 \text{ mm}$

• Max Thickness: $2.38 \text{ mm}$ (Single-sided component arrangement)

• Weight: Max $3.0 \text{ g}$

Electrical Ratings

• Supply Voltage: $3.3\text{V} \pm 5\%$

• Power Management: Supports Advanced Power Management (APST) and NVMe Power States.

Reliability & Endurance

• MTBF (Mean Time Between Failures): 1.5 Million Hours

• Endurance Rating (256GB Capacity): 150 TBW (Terabytes Written)

• UBER (Uncorrectable Bit Error Rate): 1 sector per $10^{15}$ bits read