Samsung MZ7WD960HMHP 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

Compared with the earlier MZ7WD960HAGP, the Samsung SV843 MZ7WD960HMHP delivers a clear generational uplift in enterprise endurance, reaching 3.6 DWPD and 6,307 TBW while sustaining 530/430 MB/s sequential performance on SATA 6Gb/s. Its Samsung 24nm MLC, 89,000/14,000 IOPS profile, and 960GB capacity make it a stronger fit than typical same-class SATA SSDs for write-intensive OLTP logs, virtualization boot volumes, and cache-heavy database nodes that need long service life.

Endurance & Reliability

With an endurance rating of 6,307 TBW and 3.6 DWPD, the MZ7WD960HMHP is built to sustain heavy daily write workloads throughout its service life, making it well suited for write-intensive enterprise applications. In typical deployment scenarios, this level of endurance means it can serve reliably for many years as a system, cache, or application drive without endurance becoming a practical concern under normal operation. For enterprise reliability, the drive includes power loss protection, which helps preserve in-flight data and metadata if power is interrupted unexpectedly, reducing the risk of corruption and improving operational stability. Its UBER of 1.0E-17 and 2 million hour MTBF indicate a very low probability of unrecoverable bit errors and strong long-term dependability, giving procurement teams added confidence in data integrity and platform reliability.

Technical Specs & Insights

1. The SATA 6Gb/s interface, paired with 530 MB/s sequential read performance, provides a drop-in upgrade path for legacy enterprise servers, accelerating full-dataset scans, boot storms, and backup restores without requiring a platform change.
2. With 89,000 K random read IOPS, this drive sustains fast response under highly concurrent OLTP, VDI, and metadata-heavy virtualization workloads where small-block access dominates.
3. A 3.6 DWPD endurance rating makes it well suited for write-intensive enterprise applications such as logging, caching, and mixed database workloads that demand predictable lifespan under constant daily rewrites.
4. Samsung 24nm MLC NAND offers a strong balance of performance consistency, retention, and write durability, making it a dependable choice for always-on data center environments.
5. The 115 µs typical latency helps reduce queueing delays and tail-response spikes, supporting tighter SLA compliance for transactional systems and latency-sensitive virtual machines.

Capacity Sweet

Lower capacity reference: 480GB Higher capacity reference: 1.92TB In this series, the 960GB model sits at the sweet spot for mainstream enterprise deployment. Compared with the 480GB version, it gives much more room for OS images, logs, application binaries, and working data, reducing early capacity pressure and replacement frequency. Compared with the 1.92TB version, it keeps acquisition cost and power budget more controlled while delivering essentially the same enterprise-class sequential and random I/O behavior. It is best suited for small-to-mid virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 virtual machines.

FAQ