Samsung MZ-WLL3T2C 3.2 TB PM1725b PCIe Gen3 x8 2.5 inch Mixed Use Solid State Drive

General

Brand	Samsung
Model	PM1725b
Capacity	3.2 TB
Usage Class	Mixed Use

Interface

Host Interface	PCIe Gen3 x8
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung V-NAND 3D TLC
Drive Writes Per Day	5
Total Bytes Written	29200 TBW

Performance

Sequential Read	6200 MB/s
Sequential Write	2900 MB/s
Random Read IOPS	1000000
Random Write IOPS	180000
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	MZWLL3T2HAJQ-000D3

Engineer's Note

Compared with MZWLL3T2HAJQ-000D3, the PM1725b MZ-WLL3T2C advances the platform with PCIe Gen3 x8 bandwidth pushed to 6,200/2,900 MB/s and up to 1,000,000/180,000 random read/write IOPS, while maintaining a robust 5 DWPD and 29,200 TBW at 3.2 TB. Its distinctive value is pairing Samsung V-NAND 3D TLC economics with near top-tier read performance and true write-intensive endurance, giving mixed OLTP, high-density virtualization, and cache-accelerated analytics clusters a clear advantage over typical enterprise TLC SSDs in the same capacity class.

Endurance & Reliability

With an endurance rating of 29,200 TBW and 5 DWPD, the MZ-WLL3T2C is built for sustained write-intensive enterprise workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, boot, or general server storage usage, giving buyers confidence that it can operate for many years under normal deployment conditions without endurance becoming a concern. Its enterprise reliability is further strengthened by power-loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. The 1.0E-17 UBER specification, together with a 2 million hour MTBF, indicates very strong data integrity and long-term operational reliability, making it a dependable choice for business-critical environments.

Technical Specs & Insights

1. The PCIe Gen3 x8 host interface provides enough lane bandwidth to keep enterprise databases, virtualization clusters, and scale-out analytics platforms fed without the storage bus becoming the bottleneck.
2. Its multi-gigabyte sequential read performance accelerates large-block workloads such as data lake scans, backup restores, media streaming, and rapid model or dataset loading in compute servers.
3. The million-class random read capability enables consistently fast response for highly concurrent OLTP, metadata-heavy file systems, and read-intensive cloud services under deep queue pressure.
4. Built on Samsung V-NAND 3D TLC and rated for sustained high daily rewrites, it is well suited for mixed-workload enterprise deployments that need both strong endurance and better flash economics than write-optimized niche media.
5. The sub-100-microsecond typical latency helps reduce tail-response time in transactional applications, improving user-perceived speed and keeping CPU cores from stalling on storage access.

Capacity Sweet

Lower capacity reference: 1.6 TB Higher capacity reference: 6.4 TB In this enterprise SSD family, the 3.2 TB model sits at the sweet spot of the lineup. Compared with the 1.6 TB version, it gives meaningfully more headroom for data growth, write buffering, and workload consolidation, reducing the risk of early capacity pressure. Compared with the 6.4 TB option, it typically delivers a better balance between acquisition cost, usable capacity, and standard enterprise performance consistency. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.

FAQ