Specifications
MPN
MZQL23T8HCLS-00W07
Series
Samsung PM9A3
Capacity
3.84 TB
Form Factor
2.5-inch U.2 (7 mm)
Interface
PCIe Gen4 x4, NVMe 1.4
NAND
V6 128-layer 3D TLC V-NAND
Sequential Read
Up to 6,900 MB/s
Sequential Write
Up to 4,100 MB/s
Random Read
Up to 1,000K IOPS
Random Write
Up to 180K IOPS
DWPD
1 DWPD (5-year)
Power
Up to 13 W active
Endurance
7.0 PBW
MTBF
2.0M hours
UBER
1 sector per 10^17 bits read
Protocol
NVMe 1.4, OCP 1.0 compliant
Security
SED / TCG Opal option
Operating Temp
0 C to 70 C
Warranty
5 years
Overview
The MZQL23T8HCLS-00W07 is the 3.84 TB U.2 7 mm build of the Samsung PM9A3 Gen4 enterprise SSD. It is the volume capacity point for general-purpose all-flash tiers: large enough to build a useful pool, small enough that a 24-bay 2U enclosure still has room for drive-level redundancy at sane cost.
The 7 mm profile is the low-profile U.2 thickness and matters where a chassis supports both 7 mm and 15 mm media - using 7 mm drives increases airflow across the drive row and, in some backplanes, allows additional modules.
PM9A3 carries NVMe 1.4 and OCP 1.0 compliance, 1,000K IOPS random read and a 1 DWPD five-year rating with 7.0 PBW published endurance. It is the standard Gen4 reference part against which newer Gen5 designs are compared.
Key Benefits
Mainstream 3.84 TB point: balanced capacity for general-purpose flash pools. 7 mm U.2: better airflow and higher density in mixed bays. Gen4 x4: 6,900 MB/s read, 1,000K IOPS. 7.0 PBW: five-year 1 DWPD endurance.
Applications
General-purpose all-flash virtualisation tiers, database volumes, VM datastores, container persistent storage, and mixed read/write enterprise workloads.
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