General

Brand	Samsung
Model	PM897
Capacity	960 GB
Usage Class	Mixed Use

Interface

Host Interface	SATA 6.0 Gbps
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	2.5"

Flash & Endurance

NAND Flash	Samsung V-NAND 6th-Gen 128-Layer 3D TLC
Drive Writes Per Day	3
Total Bytes Written	5256 TBW

Performance

Sequential Read	550 MB/s
Sequential Write	470 MB/s
Random Read IOPS	97000
Random Write IOPS	32000
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	MZ7L3960HBLT-00A07

Engineer's Note

Compared with the earlier MZ7L3960HBLT-00A07 revision, the PM897 MZ7L3960HBLT-00B7C moves to Samsung’s 6th-Gen 128-layer V-NAND platform, delivering a clear generational uplift in flash architecture while sustaining 550/470 MB/s throughput, up to 97,000/32,000 IOPS, and a 3 DWPD, 5,256 TBW endurance class. For write-intensive enterprise SATA deployments, this 960 GB model stands out by combining near-interface-limit sequential performance with high endurance, making it a stronger fit than the prior revision for database logs, virtualization boot volumes, and mixed-read/write server workloads where reliability and service life are critical.

Endurance & Reliability

With an endurance rating of 5,256 TBW and 3 DWPD, the MZ7L3960HBLT-00B7C is built for sustained enterprise write activity and can comfortably handle typical server, boot, cache, or mixed-use workloads over its service life. In practical terms, under normal system-disk or read-heavy application usage, this level of endurance provides many years of dependable operation with substantial write margin. For enterprise reliability, this SSD includes Power Loss Protection (PLP), which helps preserve data in flight and prevents metadata corruption if power is unexpectedly interrupted. Its UBER of 1.0E-17, together with a 2 million-hour MTBF, reflects a very low probability of unrecoverable bit errors and supports the high data integrity and operational stability expected in business-critical environments.

Technical Specs & Insights

1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read performance, provides a drop-in upgrade path for legacy enterprise platforms while accelerating boot, backup, and large-file retrieval workloads.
2. With 97,000 random read IOPS, this SSD sustains fast response under highly fragmented access patterns, making it well suited for virtualized environments, OLTP databases, and metadata-intensive applications.
3. A 3 DWPD endurance rating supports heavy daily write traffic over the drive’s service life, helping enterprises deploy it confidently in write-active server and storage workloads.
4. Samsung V-NAND 6th-Gen 128-Layer 3D TLC combines high density with enterprise-class efficiency and reliability, enabling better rack-level capacity without sacrificing operational stability.
5. A typical latency of 110 µs helps reduce storage wait time at the application layer, improving transaction consistency and overall responsiveness in business-critical systems.

Capacity Sweet

Reference capacities in the same series: Lower capacity: 480 GB Higher capacity: 1.92 TB Typical enterprise performance positioning for the series: Sequential read/write: about 550/520 MB/s Random read/write: up to about 98K/30K IOPS These figures are generally consistent across the 480 GB, 960 GB, and 1.92 TB models. Capacity positioning analysis: In this lineup, the 960 GB model is the sweet-spot choice. Compared with the 480 GB version, it gives materially better headroom for OS images, application growth, logging, and overprovisioning, reducing the risk of early capacity pressure in mixed enterprise workloads. Compared with the 1.92 TB model, it keeps acquisition cost and fleet expansion budgets more controlled while delivering essentially the same SATA-class performance profile. It is best suited for mid-scale deployments, such as shared boot storage or light database and application volumes for roughly 40 to 60 virtualized business workloads.

FAQ