General

Brand	Samsung
Model	PM897
Capacity	3.84 TB
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	21024 TBW

Performance

Sequential Read	550 MB/s
Sequential Write	530 MB/s
Random Read IOPS	97000
Random Write IOPS	32000
Average Latency	120 μs

Reliability

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

Part Number

MPN	MZ7L33T8HBNA-00A07

Engineer's Note

The Samsung PM897 3.84TB (MZ7L33T8HBNA-00B7C) is a high-endurance SATA SSD engineered for write-intensive enterprise workloads, combining 3 DWPD and 21,024 TBW with near-interface-limit performance of 550/530 MB/s and up to 97K/32K IOPS. Compared with the earlier MZ7L33T8HBNA-00A07 revision, this model advances to Samsung 6th-Gen 128-layer V-NAND, giving it a more modern NAND platform for better long-term deployment value while preserving the PM897 family’s strong endurance profile and saturated SATA throughput.

Endurance & Reliability

With an endurance rating of 21,024 TBW and 3 DWPD, the MZ7L33T8HBNA-00B7C is built for sustained enterprise write workloads and can comfortably handle frequent full-drive writes over its service life. In typical server use—especially as a boot drive, virtualization node, or mixed-read system disk—this level of endurance means the drive can be deployed for many years with substantial write headroom and low concern about wear-out under normal operating conditions. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unclean shutdown damage. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, which supports high data integrity expectations in business-critical storage environments.

Technical Specs & Insights

1. The SATA 6.0 Gbps interface ensures broad compatibility with existing enterprise servers and storage arrays, enabling cost-effective SSD upgrades without changing the platform architecture.
2. Delivering up to 550 MB/s sequential read speed, it accelerates large-file access, backup restores, and analytics dataset loading in read-heavy business environments.
3. With up to 97,000 random-read IOPS and 120 µs typical latency, it helps databases, virtualization clusters, and boot-intensive infrastructure respond faster under highly fragmented workloads.
4. Rated for 3 DWPD, this drive is built for write-intensive enterprise applications such as logging, caching, and transactional systems that demand sustained endurance over the service life.
5. Samsung V-NAND 6th-Gen 128-layer 3D TLC combines enterprise-grade density, power efficiency, and reliability, making it well suited for scalable data center deployments where consistent performance per watt matters.

Capacity Sweet

Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB In the PM893 series, the 3.84 TB model sits at the practical sweet spot. Compared with the 1.92 TB version, it gives meaningfully more headroom for OS images, application data, logs, and growth, reducing early capacity pressure in virtualized or mixed-workload environments. Compared with the 7.68 TB model, it delivers a better balance of acquisition cost, usable capacity, and enterprise-standard performance consistency, without overcommitting budget to capacity that may remain unused. It is well suited for medium-scale deployments, such as a 2-node virtualization cluster hosting around 60 to 80 general-purpose virtual machines.

FAQ