Samsung MZ-ILG15T0 15.36 TB PM1653 SAS 24Gb/s 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1653
Capacity	15.36 TB
Usage Class	Read Intensive

Interface

Host Interface	SAS 24Gb/s
Total Interface Bandwidth	24 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung V-NAND 128-layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	28032 TBW

Performance

Sequential Read	4300 MB/s
Sequential Write	2400 MB/s
Random Read IOPS	800000
Random Write IOPS	135000
Average Latency	90 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	MZILT15TB

Engineer's Note

Compared with the previous-generation MZILT15TB, the Samsung PM1653 (MZ-ILG15T0) advances to a SAS 24Gb/s interface and pairs 128-layer V-NAND with up to 4,300/2,400 MB/s sequential performance and 800,000/135,000 IOPS, delivering a clear generational uplift in bandwidth and transactional throughput. At 15.36 TB with 1 DWPD and 28,032 TBW, it is a strong fit for latency-sensitive enterprise databases, virtualization clusters, and mixed-read/write storage tiers that need higher SAS performance without sacrificing endurance density.

Endurance & Reliability

With an endurance rating of 28,032 TBW, the MZ-ILG15T0 is designed to handle approximately one full drive write per day across a five-year usage model, which is far beyond the demands of a typical OS or boot drive. In practical terms, under normal enterprise workloads, procurement teams can expect long service life with substantial write headroom and no concern about endurance becoming a near-term limitation. Its built-in power loss protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational resilience. The enterprise-class UBER of 1.0E-17 means an extremely low uncorrectable bit error rate, providing a very high standard of read reliability for critical business data.

Technical Specs & Insights

1. The SAS 24Gb/s interface paired with 4300 MB/s sequential read throughput accelerates large-block data streaming, helping enterprise databases and analytics platforms cut batch processing and backup windows.
2. With 800,000 K IOPS in random read performance, the drive sustains heavy mixed-user access patterns, making it well suited for virtualized environments and high-concurrency OLTP workloads.
3. A 1 DWPD endurance rating provides predictable write longevity for always-on enterprise applications, balancing operational reliability with a cost-efficient deployment profile.
4. Built on Samsung V-NAND 128-layer 3D TLC, the SSD combines high flash density with mature power and wear characteristics, enabling scalable capacity without sacrificing datacenter-class consistency.
5. A typical latency of 90 µs improves application responsiveness under load, supporting faster transaction handling and tighter QoS in latency-sensitive server infrastructure.

Capacity Sweet

Lower capacity reference: 7.68 TB Higher capacity reference: 30.72 TB At 15.36 TB, the MZ-ILG15T0 sits in the sweet spot of the family. Compared with the 7.68 TB model, it gives much better headroom for data growth, longer refresh cycles, and denser server utilization without changing the expected enterprise-class read/write or IOPS profile. Compared with the 30.72 TB version, it typically delivers a better cost-per-deployment balance while avoiding overprovisioning capacity that many workloads will not fully use. It is especially well suited for mid-scale virtualization clusters, mixed database nodes, or all-flash tiers supporting roughly 150–250 business application workloads.

FAQ