Samsung MZ-WLR15TB 15.36 TB PM1733 NVMe PCIe Gen4 x4 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	15.36 TB
Usage Class	Read Intensive

Interface

Host Interface	NVMe PCIe Gen4 x4
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	1
Total Bytes Written	28032 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	135000
Average Latency	95 μs

Reliability

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

Part Number

MPN	MZ-WLL15T3

Engineer's Note

Compared with the previous-generation MZ-WLL15T3, the MZ-WLR15TB (PM1733) moves to NVMe PCIe Gen4 x4 and delivers up to 7,000/3,800 MB/s with 1.45M/135K IOPS, providing a clear generational step-up in bandwidth and random-read performance for latency-sensitive enterprise workloads. With 15.36 TB of TLC V-NAND, 1 DWPD endurance, and 28,032 TBW, it is a strong fit for virtualized databases, analytics tiers, and mixed read/write infrastructure that need higher performance density without sacrificing write life.

Endurance & Reliability

With an endurance rating of 28,032 TBW, this SSD is designed to handle approximately 28 petabytes of total writes, equivalent to writing the full drive capacity once per day for five years. In typical enterprise system-disk, boot, and application workloads, this is far beyond normal write demand and provides strong headroom for many years of stable operation. Its enterprise-grade reliability is strengthened by power loss protection (PLP), which helps safeguard in-flight data and mapping information during unexpected power interruptions, reducing the risk of data corruption and service disruption. The 1.0E-17 UBER, together with a 2 million-hour MTBF rating, reflects very high data integrity and long-term operational dependability expected in business-critical storage environments.

Technical Specs & Insights

1. The NVMe PCIe Gen4 x4 interface provides the bandwidth needed to keep modern CPU cores and virtualized workloads fed, reducing storage bottlenecks in high-density enterprise servers.
2. With sequential read performance of 7000 MB/s, this SSD accelerates large-block data movement such as analytics scans, backup restores, and AI model loading.
3. Its random read capability of 1,450,000 K IOPS enables extremely fast access to small, scattered data, which is critical for databases, online transaction systems, and large-scale virtualization.
4. A 1 DWPD endurance rating gives enterprises the confidence to run steady daily write activity throughout the drive’s service life without compromising reliability planning.
5. Built on TLC V-NAND with a typical latency of 95 µs, the drive balances cost-efficient flash density with consistently responsive performance for latency-sensitive business applications.

Capacity Sweet

Lower capacity reference: 7.68 TB Higher capacity reference: 30.72 TB At 15.36 TB, the MZ-WLR15TB sits at the sweet spot of the family. Compared with 7.68 TB, it gives much better headroom for data growth, higher VM density, and fewer drive slots consumed in space-constrained servers. Compared with 30.72 TB, it typically delivers a more attractive cost-per-deployment while keeping essentially the same enterprise-class throughput and IOPS profile. This makes 15.36 TB a strong fit for mid-scale virtualization clusters, mixed OLTP databases, or a 2U node hosting around 40 to 60 business application workloads.

FAQ