The MZQL23T8HCLS-00B7C belongs to Samsung’s PM9A3 data center SSD family. The MZQL23T8HCLS base device corresponds to the 3.84TB 2.5-inch U.2 configuration, designed for data-center and server applications with a PCIe Gen4 x4 interface and NVMe 1.4 protocol.
The drive uses Samsung V-NAND TLC flash memory together with a Samsung in-house SSD controller. The U.2 model measures 100.20 × 69.85 × 7.0mm, providing a standard enterprise NVMe form factor for servers and high-density storage platforms.
For the 3.84TB PM9A3 U.2 configuration, Samsung specifies sequential read performance of up to 6,900MB/s and sequential write performance of up to 4,100MB/s. 4KB random performance reaches up to 1,000K IOPS read and 180K IOPS write, supporting demanding data-processing and high-concurrency server workloads.
Average active power consumption for the 3.84TB version is approximately 11W during reads and 13.5W during writes, while DIPM-off idle power is approximately 3.5W. Samsung positions PM9A3 as a PCIe 4.0 SSD optimized for data-center performance and platform efficiency.
The 3.84TB model is rated for 7,008TBW, with Samsung Business describing the product as offering a 5-year limited warranty or 1.0 DWPD, whichever applies first. Reliability specifications include an MTBF of 2.0 million hours, a 0°C to 70°C operating-temperature range, and -40°C to 85°C non-operating temperature range.
Drive-management features include TRIM, Garbage Collection and S.M.A.R.T. Security features include AES 256-bit full-disk encryption, TCG/Opal V2.0 and IEEE 1667 Encrypted Drive support, providing enterprise-oriented data-protection capabilities.
Samsung’s public PM9A3 datasheet lists the standard 3.84TB part number as MZQL23T8HCLS-00W07. Samsung does not currently provide a separate public specification page for the exact -00B7C suffix, so the specifications above are based on Samsung’s published MZQL23T8HCLS / PM9A3 3.84TB U.2 platform specifications. OEM-specific firmware or configuration differences should be verified separately when required.
Key Specifications:
- Brand: Samsung
- Part Number: MZQL23T8HCLS-00B7C
- Base Part Number: MZQL23T8HCLS
- Series: PM9A3
- Product Type: Data Center NVMe SSD
- Capacity: 3.84TB / 3,840GB
- NAND Flash: Samsung V-NAND TLC
- Controller: Samsung In-House Controller
- Interface: PCIe Gen4 x4
- Protocol: NVMe 1.4
- Form Factor: 2.5-Inch U.2
- Sequential Read: Up to 6,900MB/s
- Sequential Write: Up to 4,100MB/s
- 4KB Random Read: Up to 1,000K IOPS
- 4KB Random Write: Up to 180K IOPS
- Idle Power: Approx. 3.5W
- Active Read Power: Approx. 11W
- Active Write Power: Approx. 13.5W
- Endurance: 7,008TBW
- Drive Writes Per Day: Approx. 1 DWPD
- MTBF: 2.0 Million Hours
- Operating Temperature: 0°C to 70°C
- Non-Operating Temperature: -40°C to 85°C
- Humidity: 5% to 95% Non-Condensing
- Non-Operating Shock: 1,500G / 0.5ms / 3 Axis
- Non-Operating Vibration: 20Hz to 2,000Hz / 20G
- TRIM: Supported
- Garbage Collection: Supported
- S.M.A.R.T.: Supported
- AES 256-Bit Full Disk Encryption: Supported
- TCG/Opal V2.0: Supported
- IEEE 1667 Encrypted Drive: Supported
- Dimensions: 100.20 × 69.85 × 7.0mm
- Target Applications: Data Center / Server.







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