Samsung MZ-WLL3T8B 3.84 TB PM1723B PCIe Gen3 x4 U.2 (2.5") Mixed Use Solid State Drive

General

Brand	Samsung
Model	PM1723B
Capacity	3.84 TB
Usage Class	Mixed Use

Interface

Host Interface	PCIe Gen3 x4
Total Interface Bandwidth	32 Gb/s

Physical Dimension

Form Factor	U.2 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 48-layer 3D TLC
Drive Writes Per Day	3
Total Bytes Written	21024 TBW

Performance

Sequential Read	3300 MB/s
Sequential Write	3000 MB/s
Random Read IOPS	800000
Random Write IOPS	140000
Average Latency	90 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZWLL3T8HAJQ-000H3

Engineer's Note

Compared with MZWLL3T8HAJQ-000H3, the MZ-WLL3T8B PM1723B moves to Samsung 48-layer 3D TLC V-NAND and delivers a stronger enterprise balance of speed, endurance, and usable density, with 3.84 TB capacity, 3 DWPD/21,024 TBW, and up to 3,300/3,000 MB/s plus 800K/140K IOPS. That makes it a particularly compelling upgrade for mixed read/write virtualization clusters, OLTP databases, and latency-sensitive caching tiers that need higher sustained write life than many same-class PCIe Gen3 x4 TLC SSDs can provide.

Endurance & Reliability

With an endurance rating of 21,024 TBW and 3 DWPD, the MZ-WLL3T8B is designed for sustained heavy write workloads across enterprise environments. In practical terms, this level of endurance means it can comfortably serve in write-intensive server or storage applications for many years, and it is more than sufficient for typical OS, boot, and mixed business workloads with substantial long-term margin. The drive also includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational continuity. Its UBER rating of 1.0E-17 indicates an enterprise-class level of data integrity with an extremely low probability of unrecoverable bit errors, while the 2 million-hour MTBF further supports dependable 24/7 deployment.

Technical Specs & Insights

1. The PCIe Gen3 x4 interface, paired with 3300 MB/s sequential read performance, accelerates bulk data ingestion, VM boot storms, and large database scans in enterprise servers.
2. With 800,000K random read IOPS, this drive sustains fast response under heavily concurrent OLTP, virtualization, and metadata-intensive workloads.
3. A 3 DWPD endurance rating makes it well suited for write-active enterprise applications such as logging, caching, and mixed-use transactional platforms that require predictable lifespan.
4. Samsung V-NAND 48-layer 3D TLC provides a balanced foundation of capacity, cost efficiency, and reliability for mainstream datacenter deployment at scale.
5. A typical latency of 90 µs helps reduce storage wait time, improving application responsiveness for latency-sensitive databases and real-time service infrastructure.

Capacity Sweet

Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this SSD sits in the sweet spot of the family. Compared with the 1.92 TB version, it gives much better headroom for OS images, hot data, logs, and short-term growth, reducing early capacity pressure without changing the expected enterprise-class performance profile. Compared with the 7.68 TB model, it typically delivers a more attractive cost-per-deployment while avoiding overprovisioning in medium-scale builds. This makes 3.84 TB especially well suited for a mid-sized virtualization cluster, such as hosting boot and application volumes for roughly 40 to 60 business workloads.

FAQ