Samsung MZ-ILT30T0 30.72 TB PM1643 SAS 12Gb/s 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1643
Capacity	30.72 TB
Usage Class	Read Intensive

Interface

Host Interface	SAS 12Gb/s
Total Interface Bandwidth	12 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	1
Total Bytes Written	56064 TBW

Performance

Sequential Read	2100 MB/s
Sequential Write	2000 MB/s
Random Read IOPS	450000
Random Write IOPS	7000
Average Latency	100 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-ILT15T3

Engineer's Note

Compared with the MZ-ILT15T3, the MZ-ILT30T0 PM1643 doubles flash density to 30.72TB in the same 12Gb/s SAS footprint, enabling the same usable capacity with roughly half the drive count, fewer bays, and lower rack-level power and cabling overhead. For capacity-optimized enterprise arrays and scale-up storage, it combines TLC V-NAND with 2,100/2,000 MB/s throughput, up to 450,000 read IOPS, and 56,064 TBW endurance, giving it a clear advantage over same-class SAS SSDs where max capacity per slot and read-heavy consolidation matter most.

Endurance & Reliability

With an endurance rating of 56,064 TBW, the MZ-ILT30T0 is designed to support the equivalent of one full drive write per day, providing very strong write endurance for sustained enterprise use. In typical workloads such as use as a system boot drive, application drive, or general read-heavy server storage, this level of endurance offers ample headroom and can support many years of worry-free operation. For 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 downtime. Its enterprise-class UBER of 1.0E-17 means an extremely low probability of unrecoverable bit errors, giving procurement teams added confidence in data integrity for business-critical environments.

Technical Specs & Insights

1. The SAS 12Gb/s interface enables seamless integration into dual-controller enterprise storage environments, delivering the high availability, interoperability, and serviceability required in mission-critical data centers.
2. Strong sequential read performance accelerates large-block workloads such as backup restore, media streaming, and analytics scans, helping servers move more data in less time.
3. High random read capability keeps virtualization clusters, OLTP databases, and metadata-heavy applications responsive under intense concurrent access.
4. A 1 DWPD endurance rating is well suited for mixed-use enterprise deployments, providing predictable lifespan and lower replacement risk in always-on business systems.
5. TLC V-NAND combined with low typical latency delivers a balanced mix of cost efficiency, capacity density, and consistently fast response times for latency-sensitive applications.

Capacity Sweet

Reference capacities in the same family: Lower capacity: 15.36 TB Higher capacity: 61.44 TB At 30.72 TB, this SSD sits at the sweet spot of the lineup. Compared with the 15.36 TB version, it gives much better headroom for data growth, denser node design, and longer refresh cycles without changing the performance profile. Compared with the 61.44 TB model, it usually delivers the best balance of acquisition cost, usable capacity, power efficiency, and deployment flexibility. It is especially well suited for mid-scale virtualization clusters, high-density all-flash arrays, or analytics nodes that need strong capacity without moving into ultra-high-cost per drive territory.

FAQ