Samsung MZ7KM960HMJP-00005 960 GB SM863a SATA 6.0 Gbps 2.5" Write Intensive Solid State Drive

General

Brand	Samsung
Model	SM863a
Capacity	960 GB
Usage Class	Write Intensive

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 2-bit MLC
Drive Writes Per Day	3.6
Total Bytes Written	6160 TBW

Performance

Sequential Read	510 MB/s
Sequential Write	485 MB/s
Random Read IOPS	95000
Random Write IOPS	28000
Average Latency	95 μs

Reliability

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

Part Number

MPN	MZ-7KM960N

Engineer's Note

Compared with the earlier MZ-7KM960N, the MZ7KM960HMJP-00005 (SM863a) advances the platform with a stronger enterprise endurance profile—3.6 DWPD and 6,160 TBW—while sustaining 510/485 MB/s throughput and up to 95,000/28,000 IOPS on a standard SATA 6.0 Gbps interface. Its Samsung V-NAND 2-bit MLC design makes it a particularly strong choice for write-intensive virtualization, OLTP, and mixed-read/write server workloads that need near-SAS-class reliability and endurance in a cost-efficient SATA form factor.

Endurance & Reliability

With an endurance rating of 6,160 TBW and 3.6 DWPD, the MZ7KM960HMJP-00005 is built to sustain heavy, write-intensive enterprise workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, boot, and general application drive usage, making it a dependable choice for long-term deployment with substantial write headroom. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption or incomplete writes. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low likelihood of unrecoverable bit errors and strong long-term operational stability, which supports confident procurement for business-critical environments.

Technical Specs & Insights

1. The SATA 6.0 Gbps interface provides broad drop-in compatibility with mainstream enterprise servers and storage arrays, making this SSD an easy upgrade for legacy SATA infrastructure without platform changes.
2. Its 510 MB/s sequential read performance helps accelerate OS boot, database backup restore, and large file streaming workloads that depend on steady throughput rather than burst speed.
3. With up to 95,000 random read IOPS, the drive can sustain responsive performance for virtualized environments, OLTP databases, and metadata-heavy applications under concurrent access.
4. A 3.6 DWPD endurance rating gives IT teams the write headroom needed for mixed-use enterprise workloads, reducing wear-related replacement risk in always-on deployments.
5. Samsung V-NAND 2-bit MLC with 95 µs typical latency delivers a strong balance of media reliability and fast response time, supporting predictable QoS for latency-sensitive business applications.

Capacity Sweet

Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB In this series, the 960 GB model sits at the practical sweet spot. Compared with the 480 GB version, it offers much better headroom for OS images, application binaries, logs, and data growth, reducing early capacity pressure in always-on enterprise environments. Compared with the 1.92 TB option, it delivers nearly the same class of sequential throughput and random IOPS while keeping acquisition cost and per-node spending more controlled. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40–60 general-purpose virtual machines.

FAQ