Samsung MZ7LN250HMJP 250GB 850 EVO SATA 2.5 inch Client Solid State Drive

MPN:MZ7LN250HMJP By:Samsung Warranty:1 year
US$153 - $160
Condition:
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General

BrandSamsung
Model850 EVO
Capacity250GB
Usage ClassClient

Interface

Host InterfaceSATA
Total Interface Bandwidth6 Gb/s

Physical Dimension

Form Factor2.5

Flash & Endurance

NAND FlashTLC V-NAND
Drive Writes Per Day0.16
Total Bytes Written75 TBW

Performance

Sequential Read540 MB/s
Sequential Write520 MB/s
Random Read IOPS97000
Random Write IOPS88000
Average Latency50 μs

Reliability

Mean Time Between Failures1.5 Million Hours
Uncorrectable Bit Error Rate1.0×10⁻¹⁷
Power Loss ProtectionNo

Part Number

MPNMZ7TE250HCHP

Engineer's Note

Compared with the MZ7TE250HCHP generation, the Samsung 850 EVO MZ7LN250HMJP upgrades to TLC V-NAND, delivering stronger endurance at 75 TBW/0.16 DWPD and higher random-write performance up to 88,000 IOPS while sustaining SATA-limit 540/520 MB/s sequential throughput. This makes it the better drop-in choice for client boot drives and read-heavy workstation fleets that need more consistent write behavior and longer usable life than the previous planar-TLC generation.

Endurance & Reliability

With an endurance rating of 75 TBW and 0.16 DWPD, this SSD is well suited for typical light-duty workloads such as OS boot, office applications, thin clients, and general read-focused system use. In practical terms, that level of endurance is sufficient for a system drive writing about 20 GB per day for roughly 10 years, giving procurement teams confidence for stable long-term deployment in standard client environments. From a reliability perspective, the 1.5 million-hour MTBF and 1.0E-15 UBER indicate a mature drive designed for dependable day-to-day operation, with a very low likelihood of unrecoverable bit errors under normal use. This model does not include power-loss protection (PLP), so it is best deployed in systems with stable power or UPS coverage, while its UBER specification still supports strong data integrity for mainstream, non-write-intensive applications.

Technical Specs & Insights

1. The SATA interface, combined with 540 MB/s sequential read speed, accelerates OS boot, backup restores, and large-file access in enterprise systems that still rely on proven legacy storage backplanes.
2. With up to 97,000 random-read IOPS, this drive is well suited for VDI, OLTP, and metadata-heavy workloads where fast small-block access directly improves user response time.
3. A 0.16 DWPD endurance rating makes it a better fit for read-centric enterprise roles such as boot drives, content libraries, and reporting replicas rather than write-intensive logging or caching tiers.
4. TLC V-NAND delivers a strong balance of capacity, efficiency, and acquisition cost, helping enterprises scale read-optimized storage more economically across larger fleets.
5. A typical latency of 50 µs helps minimize storage wait time, supporting smoother application responsiveness for transactional reads and latency-sensitive query workloads.

Capacity Sweet

Lower capacity reference: 120GB Higher capacity reference: 500GB At 250GB, the MZ7LN250HMJP sits in the sweet spot of this SSD family. Compared with the 120GB model, it gives meaningfully better space headroom for OS images, logs, patches, and application growth, reducing early capacity pressure. Compared with the 500GB model, it preserves essentially the same enterprise-class read/write behavior while keeping acquisition cost and stranded capacity under tighter control. This makes 250GB the most balanced choice for mid-density deployments, such as boot and application drives for around 40 to 60 lightweight server nodes or edge systems.

FAQ

Q: Is MZ7LN250HMJP suitable for a write-heavy database server?

A: No. With 0.16 DWPD, 75 TBW, and TLC V-NAND, MZ7LN250HMJP is better suited for read-intensive or light mixed workloads, not write-heavy database servers with sustained daily writes.

Q: How many full drive writes per day can it actually endure over its warranty period?

A: This model is rated at 0.16 DWPD, meaning about 16% of its 250GB capacity can be written daily over the warranty period, equivalent to roughly 40GB of writes per day.

Q: Does it include power loss protection (PLP) and why is that critical?

A: No, it does not include PLP. Power loss protection is critical in enterprise systems because it helps prevent in-flight data loss and metadata corruption during unexpected power failures.

Q: What RAID level is recommended for this SSD?

A: RAID 1 or RAID 10 is generally recommended, depending on capacity and performance needs. These levels provide redundancy and better fault tolerance, especially since this SSD lacks PLP.

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