Samsung MZWLR15THALA 15.36 TB PM1733 PCIe Gen4 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	15.36 TB
Usage Class	Read Intensive

Interface

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

Physical Dimension

Form Factor	U.2 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 5th-Gen 92-layer 3D TLC
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	85 μs

Reliability

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

Part Number

MPN	MZWLJ15THALA

Engineer's Note

Compared with the previous-generation MZWLJ15THALA, the Samsung PM1733 MZWLR15THALA advances to a PCIe Gen4 x4 architecture and 5th-Gen 92-layer V-NAND, delivering up to 7,000/3,800 MB/s and 1.45M/135K IOPS for clearly higher bandwidth and faster response in enterprise mixed workloads. With 15.36 TB of capacity and 1 DWPD endurance rated at 28,032 TBW, it is especially well suited for dense virtualization clusters, scale-out analytics, and read-heavy cloud storage nodes that need maximum rack-level performance per drive without moving to a higher-endurance class.

Endurance & Reliability

With an endurance rating of 28,032 TBW and 1 DWPD, the MZWLR15THALA is designed to handle a full drive write per day across its warranty-defined usage profile, making it well suited for sustained enterprise workloads such as system, caching, or mixed-read/write deployment. In typical real-world use, this level of endurance means buyers can expect long, stable service life with substantial write headroom, rather than worrying about wear-out under normal data center operating conditions. The drive also includes power loss protection (PLP), which helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its enterprise-class UBER of 1.0E-17 and 2 million-hour MTBF further indicate a very low probability of unrecoverable bit errors and strong long-term reliability, helping procurement teams choose it with confidence for business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface, paired with strong sequential read bandwidth, accelerates large dataset streaming, VM boot storms, and analytics job startup in throughput-heavy enterprise servers.
2. The high random read capability enables dense OLTP databases, metadata-intensive virtualization clusters, and scale-out platforms to sustain heavy parallel access without becoming a storage bottleneck.
3. A 1 DWPD endurance rating makes it a dependable fit for mixed-use enterprise workloads that require predictable lifespan under steady daily rewrite activity.
4. Samsung’s 5th-Gen 92-layer 3D TLC V-NAND balances capacity, performance, and cost efficiency, making it well suited for mainstream datacenter deployments that need consistent QoS at scale.
5. The low typical latency helps reduce response-time jitter, improving application consistency for latency-sensitive services such as real-time transactions, search, and virtualized business workloads.

Capacity Sweet

Lower-capacity reference: 7.68 TB Higher-capacity reference: 30.72 TB Within this SSD family, 15.36 TB is the sweet-spot capacity. Compared with 7.68 TB, it gives meaningfully more headroom for data growth, overprovisioning flexibility, and denser server consolidation without changing the expected enterprise-class sequential throughput or random IOPS profile. Compared with 30.72 TB, it usually delivers a better balance of acquisition cost, usable capacity, and performance efficiency, avoiding overbuying in mainstream deployments. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and primary data volumes for roughly 60 to 80 mixed-workload virtual machines.

FAQ