General

Brand	Samsung
Model	PM1633
Capacity	960GB
Usage Class	Enterprise

Interface

Host Interface	SAS
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	1752 TBW

Performance

Sequential Read	1100 MB/s
Sequential Write	1000 MB/s
Random Read IOPS	160000
Random Write IOPS	18000
Average Latency	110 μs

Reliability

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

Part Number

MPN	MZ7LM960HCHP

Engineer's Note

Compared with the MZ7LM960HCHP, the PM1633 MZILS9600 leverages TLC V-NAND to deliver a more cost-efficient 960GB SAS platform while still sustaining 1100/1000 MB/s sequential throughput and up to 160,000/18,000 IOPS for read-dominant enterprise workloads. With 1 DWPD and 1752 TBW endurance, it is a strong generational choice for virtualized infrastructure, database read tiers, and scale-out storage nodes that need predictable SAS performance with better economics than the previous generation.

Endurance & Reliability

With an endurance rating of 1,752 TBW and 1 DWPD, the MZILS9600 is designed to handle writing its full capacity once per day across the warranty period, which is more than sufficient for typical boot, application, and general server workloads. In practical terms, under common enterprise system-disk usage, this level of endurance supports long-term stable operation and can comfortably cover many years of normal deployment without endurance concern. For enterprise reliability, the MZILS9600 includes power loss protection (PLP), which helps preserve data in transit and prevents corruption if power is interrupted unexpectedly. Its ultra-low UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very high standard of data integrity and operational reliability, making it a dependable choice for business-critical environments.

Technical Specs & Insights

1. The SAS interface provides dual-port, enterprise-proven connectivity that improves path redundancy and keeps mission-critical storage online during controller or path failover.
2. Its sequential read performance accelerates large-block data movement, reducing backup, restore, and analytics scan times in data-intensive environments.
3. Strong random read capability supports highly concurrent transactional workloads, helping databases and virtualized platforms sustain fast response under heavy access pressure.
4. A 1 DWPD endurance rating enables predictable daily full-drive write cycles throughout the service life, making it well suited for mixed-use enterprise applications with controlled write intensity.
5. TLC V-NAND paired with low typical latency delivers a balanced combination of cost-efficient flash density and consistently quick access times for latency-sensitive business systems.

Capacity Sweet

Lower capacity reference: 480GB Higher capacity reference: 1.92TB In this series, the 960GB MZILS9600 sits at the sweet spot for mainstream enterprise deployment. Compared with the 480GB version, it offers much better capacity headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early space pressure. Compared with the 1.92TB model, it delivers nearly the same class of sequential throughput and random IOPS while keeping acquisition cost and $/workload more controlled. It is best suited for mid-scale virtualization, such as hosting boot and core application volumes for about 40 to 60 general-purpose virtual machines.

FAQ