Samsung MZ7WD960HMHP-00003 960GB SV843 SATA 6Gb/s 2.5 inch Enterprise Solid State Drive

General

Brand	Samsung
Model	SV843
Capacity	960GB
Usage Class	Enterprise

Interface

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

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung 24nm MLC
Drive Writes Per Day	3.6
Total Bytes Written	6307 TBW

Performance

Sequential Read	530 MB/s
Sequential Write	430 MB/s
Random Read IOPS	89000
Random Write IOPS	14000
Average Latency	115 μs

Reliability

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

Part Number

MPN	MZ7WD960HAGP

Engineer's Note

The Samsung SV843 MZ7WD960HMHP-00003 is a 960GB enterprise SATA SSD tuned for write-intensive server tiers, combining 530/430 MB/s throughput with 89,000/14,000 IOPS and a high-endurance 3.6 DWPD rating backed by 6,307 TBW on proven 24nm MLC NAND. Compared with the earlier MZ7WD960HAGP, this HMHP revision is the stronger fit for mixed-read/write virtualization, database logging, and caching workloads because it delivers a more endurance-focused profile while maintaining full 6Gb/s SATA-class performance.

Endurance & Reliability

With an endurance rating of 6,307 TBW and 3.6 DWPD, the MZ7WD960HMHP-00003 is built to sustain very heavy daily write activity across its service life. In typical enterprise use, this level of endurance is far beyond what is required for an OS or boot drive, and it can also confidently support write-intensive application workloads with long-term stability. For enterprise reliability, this SSD includes power loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its ultra-low UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates a highly dependable design that minimizes the risk of uncorrectable errors and supports consistent operation in business-critical environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface, paired with near bus-saturating sequential read performance, makes this drive a drop-in upgrade for legacy enterprise platforms that need faster boot, backup, and data staging without changing server infrastructure.
2. Its strong random read capability helps VDI farms, OLTP databases, and metadata-heavy virtualized workloads serve far more small-block requests with less queue buildup during peak demand.
3. A 3.6 DWPD endurance rating gives enterprises the write headroom required for cache tiers, logging, and mixed-use transactional workloads where consistent write tolerance directly impacts service life and replacement cycles.
4. Samsung 24nm MLC NAND provides a reliability-focused balance of endurance, retention, and performance stability that is better suited to round-the-clock enterprise duty than consumer-grade flash.
5. The low typical latency supports faster application response times and more predictable QoS, which is especially valuable for latency-sensitive databases and virtual machines sharing the same storage pool.

Capacity Sweet

Lower capacity: 480GB Higher capacity: 1.92TB The 960GB model sits at the sweet spot in this SSD family. Compared with the 480GB version, it gives materially more headroom for OS growth, application binaries, logs, and overprovisioning comfort, reducing the risk of early capacity pressure while keeping similar enterprise-class sequential and random performance behavior. Compared with the 1.92TB option, it delivers a more attractive cost-to-performance balance for mainstream deployments that do not need large local data footprints. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 virtual machines.

FAQ