Samsung MZ-ILG9600 960 GB PM1653 SAS 24Gb/s 2.5" Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1653
Capacity	960 GB
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	1752 TBW

Performance

Sequential Read	4200 MB/s
Sequential Write	2000 MB/s
Random Read IOPS	760000
Random Write IOPS	110000
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	MZILT960HAHQ

Engineer's Note

Compared with MZILT960HAHQ, the Samsung PM1653 (MZ-ILG9600) brings a clear generational step forward with a 24Gb/s SAS interface and 128-layer 3D TLC V-NAND, delivering up to 4200/2000 MB/s and 760K/110K IOPS for substantially higher bandwidth and better media efficiency in the same 960 GB class. For enterprise read-centric to mixed workloads, its 1 DWPD endurance and 1752 TBW make it a strong fit for latency-sensitive databases, virtualization clusters, and scale-up storage arrays that need faster SAS performance without moving to NVMe.

Endurance & Reliability

With an endurance rating of 1,752 TBW and 1 DWPD, the MZ-ILG9600 can sustain writing its full capacity once per day across its warranty period, which is more than sufficient for typical OS, boot, and general business application workloads. In practical terms, for system-drive use or read-heavy enterprise deployments, this level of endurance supports many years of stable operation with substantial margin under normal usage conditions. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17 and 2.5 million-hour MTBF indicate an enterprise-class design focused on very low uncorrectable read error rates and long-term dependable service in critical environments.

Technical Specs & Insights

1. The latest-generation SAS interface preserves dual-port enterprise resiliency while providing the bandwidth needed to keep mission-critical storage arrays and transactional platforms consistently fed under heavy load.
2. Its strong sequential read throughput accelerates large-block workloads such as backup restore, media streaming, and analytics dataset ingestion, reducing time-to-data for business operations.
3. The drive’s exceptionally high random read capability, paired with very low response time, helps databases and virtualized environments sustain fast access to small files and hot metadata even during peak concurrency.
4. A write endurance rating designed for one full capacity overwrite per day makes it a balanced choice for read-centric enterprise workloads that still require predictable lifespan and warranty-aligned reliability.
5. Samsung’s high-layer 3D TLC V-NAND delivers a practical mix of density, power efficiency, and cost effectiveness, enabling scalable enterprise deployments without sacrificing dependable flash performance.

Capacity Sweet

Lower capacity: 480 GB Higher capacity: 1.92 TB At 960 GB, the MZ-ILG9600 sits in the sweet spot of the series. Compared with the 480 GB model, it gives meaningfully more headroom for OS images, logs, hot data, and steady growth, reducing the risk of early capacity pressure. Compared with the 1.92 TB option, it typically delivers a better balance of acquisition cost, usable enterprise performance, and storage efficiency for mainstream deployments. This capacity is well suited for mid-sized virtualization clusters, such as hosting around 40 to 60 general-purpose virtual server boot volumes.

FAQ