Samsung MZ-WLR30TC 30.72 TB PM1733a PCIe Gen4 x4 U.3 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733a
Capacity	30.72 TB
Usage Class	Read Intensive

Interface

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

Physical Dimension

Form Factor	U.3 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 6th-Gen 128-layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	56064 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	160000
Average Latency	95 μs

Reliability

Mean Time Between Failures	2.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZ-WLR30TB

Engineer's Note

Compared with the previous MZ-WLR30TB, the MZ-WLR30TC PM1733a moves to Samsung 6th-Gen 128-layer V-NAND and delivers a stronger endurance profile at 30.72TB with 56,064 TBW, making it a more robust Gen4 option for high-density, read-intensive infrastructure. Its combination of PCIe Gen4 x4 bandwidth, up to 7,000/3,800 MB/s throughput, and 1.45M/160K random IOPS gives it a clear advantage for large-scale virtualization, analytics, and content-serving workloads that need maximum capacity without sacrificing latency consistency.

Endurance & Reliability

With an endurance rating of 56,064 TBW, the MZ-WLR30TC is designed to handle an extremely large amount of data written over its service life, providing ample margin for typical enterprise and system-drive workloads. In practical terms, for OS, application, boot, and other normal mixed-use scenarios, this level of endurance is effectively worry-free for many years and can comfortably support use as a system disk over a 10-year horizon under typical write volumes. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protect metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17, together with a 2.5 million-hour MTBF, reflects a very low probability of uncorrectable bit errors and strong overall dependability for business-critical storage environments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface unlocks host bandwidth high enough to keep modern CPUs and accelerators fed, reducing storage bottlenecks in virtualization, analytics, and scale-out application servers.
2. Its top-tier sequential read performance accelerates large-file ingestion, database backup restores, and AI model loading, helping enterprise workloads start and recover faster.
3. The very high random read capability enables dense VM farms, metadata-heavy databases, and latency-sensitive online services to sustain massive parallel access without queueing slowdowns.
4. A 1 DWPD endurance profile is well suited to mainstream enterprise mixed-use deployments, providing predictable lifespan for daily rewrite activity in cloud, boot, and general-purpose server storage.
5. Samsung’s 6th-Gen 128-layer 3D TLC V-NAND, paired with low typical read latency, delivers a strong balance of flash density, consistent responsiveness, and power-efficient reliability for business-critical infrastructure.

Capacity Sweet

Lower capacity reference: 15.36 TB Higher capacity reference: 61.44 TB At 30.72 TB, the MZ-WLR30TC sits in the sweet spot of the family. Compared with 15.36 TB, it gives much better headroom for data growth, denser server consolidation, and longer refresh cycles before capacity pressure appears. Compared with 61.44 TB, it typically delivers a more balanced acquisition cost while keeping the same class of enterprise sequential and random performance. This makes 30.72 TB especially well suited for mid-to-large virtualization clusters, large database nodes, or scale-out storage pools serving roughly 150 to 250 mixed enterprise workloads.

FAQ