Samsung MZ7LM960HCHP-000D3 960 GB PM863 SATA 6Gb/s 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM863
Capacity	960 GB
Usage Class	Read Intensive

Interface

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

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung V-NAND 3D TLC
Drive Writes Per Day	1.4
Total Bytes Written	1400 TBW

Performance

Sequential Read	520 MB/s
Sequential Write	475 MB/s
Random Read IOPS	99000
Random Write IOPS	14000
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	MZ7LM960HCHP-00005

Engineer's Note

Compared with the earlier MZ7LM960HCHP-00005, the MZ7LM960HCHP-000D3 represents a PM863 generation step-up by pairing Samsung V-NAND 3D TLC with enterprise endurance of 1.4 DWPD and 1,400 TBW, while sustaining 520/475 MB/s and up to 99,000/14,000 IOPS on a SATA 6Gb/s interface. Its standout value is a stronger endurance-to-capacity balance than typical read-optimized SATA TLC SSDs in the same class, making it a precise fit for dense virtualized infrastructure, boot/storage tiers, and read-heavy database or content-delivery workloads where predictable SATA performance and write tolerance both matter.

Endurance & Reliability

With an endurance rating of 1,400 TBW and 1.4 DWPD, the MZ7LM960HCHP-000D3 is built to handle sustained daily write activity in enterprise environments without concern over premature wear. For typical OS, boot, logging, and mixed application workloads, this level of endurance is more than sufficient for many years of stable operation, making it a dependable choice as a system drive or general server SSD. Its enterprise-grade reliability is further strengthened by power loss protection (PLP), which helps preserve in-flight data and metadata during sudden power interruptions, reducing the risk of corruption or incomplete writes. In addition, the ultra-low UBER of 1.0E-17 indicates an extremely small probability of unrecoverable bit errors during reads, supporting high data integrity for business-critical storage environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface, paired with strong sequential read performance, enables fast bulk data access and straightforward deployment in widely used enterprise storage backplanes without requiring a PCIe upgrade.
2. With 99,000 random read IOPS, this drive can sustain highly responsive performance for virtualization, OLTP databases, and read-heavy cloud workloads under concurrent access.
3. A 1.4 DWPD endurance rating gives enterprises the write resilience needed for always-on business applications, helping maintain predictable service life in mixed-use environments.
4. Samsung V-NAND 3D TLC provides a practical balance of capacity, cost efficiency, and reliability, making it well suited for scale-out data center storage.
5. The 120 µs typical latency helps reduce application wait time, improving transaction consistency and user experience in latency-sensitive server workloads.

Capacity Sweet

Reference capacities in the same series: Lower capacity: 480 GB, MPN MZ7LM480HCHP-000D3 Higher capacity: 1.92 TB, MPN MZ7LM1T9HCHP-000D3 The 960 GB MZ7LM960HCHP-000D3 sits at the sweet spot of this enterprise SSD family. Compared with the 480 GB version, it gives far better headroom for OS images, logs, hot data, and steady growth without changing the expected enterprise-class read/write and IOPS profile. Compared with the 1.92 TB model, it usually delivers the best balance between acquisition cost, usable capacity, and consistent performance. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 general-purpose virtual machines.

FAQ