Samsung MZ7LN1T0HMJP-00000 1TB PM871a SATA III 2.5 inch Client Solid State Drive

General

Brand	Samsung
Model	PM871a
Capacity	1TB
Usage Class	Client

Interface

Host Interface	SATA III
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	Samsung V-NAND 3bit MLC (TLC)
Drive Writes Per Day	0.3
Total Bytes Written	300 TBW

Performance

Sequential Read	540 MB/s
Sequential Write	520 MB/s
Random Read IOPS	97000
Random Write IOPS	88000
Average Latency	50 μs

Reliability

Mean Time Between Failures	1.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	No

Part Number

MPN	MZ7LN1T0HCHP

Engineer's Note

Compared with the predecessor MZ7LN1T0HCHP, the 1TB Samsung PM871a (MZ7LN1T0HMJP-00000) advances to Samsung V-NAND 3bit MLC (TLC), giving a stronger density-efficiency-endurance balance while sustaining 300 TBW and 0.3 DWPD in the same SATA III deployment class. With up to 540/520 MB/s sequential throughput and 97,000/88,000 IOPS random performance, it is a sharper fit than the prior generation for read-heavy virtualization, boot, and mainstream server tiers that need predictable SATA performance at higher usable capacity.

Endurance & Reliability

With an endurance rating of 300 TBW and 0.3 DWPD, the MZ7LN1T0HMJP-00000 is well suited for typical boot, OS, and general business application workloads, where daily write volumes are usually far below its design limit. In practical terms, for read-heavy or mixed-use deployments, this level of endurance can support many years of stable operation and is a comfortable fit for use as a system drive. From a reliability perspective, the drive is rated at 1.5 million hours MTBF and an UBER of 1.0E-15, meaning the expected rate of unrecoverable bit errors remains very low and aligned with standard enterprise SATA SSD expectations. This model does not include power-loss protection, so while it is a strong choice for non-cache, non-transaction-critical use cases, systems that require protection for in-flight write data during sudden power failure should pair it with stable power infrastructure such as UPS support.

Technical Specs & Insights

1. The SATA III interface makes this drive an easy drop-in upgrade for mainstream enterprise servers and storage arrays, enabling broad compatibility without backplane or controller changes.
2. Its strong sequential read performance helps accelerate boot storms, large file delivery, and backup restore operations in read-heavy business environments.
3. High random read capability supports responsive database queries, VDI sessions, and virtualized workloads by handling large volumes of small data requests efficiently.
4. With light write endurance, this SSD is best aligned to read-centric deployments such as content serving, boot volumes, and analytics tiers where write pressure is moderate.
5. Samsung V-NAND TLC combined with very low typical latency provides a practical balance of density, cost efficiency, and fast application response for scale-out enterprise infrastructure.

Capacity Sweet

Lower capacity reference: 512GB Higher capacity reference: 2TB Within this series, 1TB is the practical sweet spot. Compared with the 512GB model, it gives materially better headroom for OS growth, patch baselines, logs, snapshots, and moderate data-locality needs, reducing early capacity pressure. Compared with the 2TB option, it preserves nearly the same day-to-day SATA performance profile while keeping acquisition cost and stranded capacity risk under tighter control. That makes 1TB the best balance of usable space, budget efficiency, and predictable performance, especially for medium virtualization clusters, such as boot and utility storage for about 40 to 60 application servers.

FAQ