Samsung MZ7KM800HAHP-000D3 800GB SM865 SATA 6Gbps 2.5 inch Mixed Use Solid State Drive

General

Brand	Samsung
Model	SM865
Capacity	800GB
Usage Class	Mixed Use

Interface

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

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	V-NAND TLC
Drive Writes Per Day	3.6
Total Bytes Written	5256 TBW

Performance

Sequential Read	550 MB/s
Sequential Write	510 MB/s
Random Read IOPS	97000
Random Write IOPS	28000
Average Latency	100 μs

Reliability

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

Part Number

MPN	MZ7KM800HAHP-00005

Engineer's Note

Compared with the previous MZ7KM800HAHP-00005 revision, the SM865 MZ7KM800HAHP-000D3 is the stronger fit for write-intensive enterprise SATA deployments, pairing 3.6 DWPD and 5,256 TBW endurance with up to 97,000/28,000 random read/write IOPS in the same 800GB class. Its combination of Samsung V-NAND TLC, 550/510 MB/s sequential throughput, and high sustained endurance gives it a clear advantage over typical read-centric SATA SSDs for database logging, virtualization boot pools, and mixed OLTP workloads.

Endurance & Reliability

With an endurance rating of 5,256 TBW and 3.6 DWPD, the MZ7KM800HAHP-000D3 is built to handle very write-intensive enterprise workloads over its service life. In typical use, this level of endurance is far beyond the demands of an OS or boot drive, meaning it can serve as a system disk for many years with substantial margin and also support demanding mixed-read/write applications with confidence. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational safety. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects a very low probability of unrecoverable bit errors and strong long-term dependability expected from enterprise-class SSDs.

Technical Specs & Insights

1. The SATA 6Gbps interface, paired with strong sequential read performance, enables fast bulk data access and straightforward integration into legacy enterprise servers without the cost of a PCIe platform refresh.
2. Its high random-read capability is well suited for virtualization, OLTP databases, and read-heavy analytics, helping sustain responsive performance under dense mixed-workload concurrency.
3. A 3.6 DWPD endurance rating makes it a reliable choice for write-intensive enterprise applications such as logging, caching, and transactional systems that demand predictable lifespan under constant daily writes.
4. V-NAND TLC delivers a practical balance of capacity, performance, and cost efficiency, allowing data centers to scale flash storage economically while maintaining enterprise-grade reliability.
5. With typical latency around 100 µs, the drive helps reduce storage wait time, improving application responsiveness and supporting tighter SLA targets in latency-sensitive production environments.

Capacity Sweet

Lower capacity reference: 480GB Higher capacity reference: 960GB In this SSD family, the 800GB model sits in a practical sweet spot. Compared with the 480GB version, it offers noticeably more headroom for OS images, application growth, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 960GB option, it preserves nearly the same enterprise-class sequential and random I/O behavior while delivering a more efficient cost-to-usable-capacity balance. This makes 800GB especially well suited for mid-scale virtualization clusters, mixed read/write database nodes, or around 40 to 60 general-purpose server boot and application instances.

FAQ